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Menon M, Nicholls A, Smalley A, Rhodes E. A comparison of the effects of two cooking methods on arsenic species and nutrient elements in rice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169653. [PMID: 38176556 DOI: 10.1016/j.scitotenv.2023.169653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024]
Abstract
Rice is one of the major cereal crops in the world, contributing significantly towards the dietary energy and nutrition of more than half of the world's population. However, rice can also be a significant exposure route for inorganic arsenic (iAs). This risk is even greater if rice is cooked with iAs-contaminated water. Here, we quantified the effect of two cooking methods, excess water (EW) and parboiled and absorbed (PBA), on As species and essential nutrient elements (P, K, Mg, Fe, Zn, Mn, Cu, Se and Mo) in white, parboiled and brown rice cooked with As-safe (0.18 μg L-1) and As-spiked (10 and 50 μg L-1) tap water. Furthermore, we calculated the exposure risk using the margin of exposure (MOE) for both low (the UK) and high (Bangladesh) rice per capita consumption scenarios. The total micro and macronutrient content in cooked rice was measured using ICP-MS (Inductively Coupled Plasma Mass Spectrometry). An LC-ICP-MS (liquid chromatography-ICP-MS) method was used to quantify arsenic species. The results demonstrate that EW and PBA methods produced similar efficacy of iAs removal (54-58 %) for white and brown rice. However, the EW method was better at removing iAs from parboiled rice (∼50 %) than PBA (∼39 %). We found that cooked brown rice was superior to other rice types in many essential nutrient elements, and cooking methods significantly affected the loss of K, Fe, Cu and Mo. For both cooking methods, cooking with iAs-spiked water significantly increased iAs in all rice types: white > parboiled > brown. However, when using As-spiked water, the PBA method retained more iAs than EW. Our risk evaluations showed that cooking rice with 50 μg L-1 significantly raises the As-exposure of the Bangladesh population due to the high per capita rice consumption rate, reinforcing the importance of accessing As-safe water for cooking.
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Affiliation(s)
- Manoj Menon
- Department of Geography, University of Sheffield, Sheffield S10 2TN, United Kingdom.
| | - Andrea Nicholls
- Department of Geography, University of Sheffield, Sheffield S10 2TN, United Kingdom
| | - Alan Smalley
- Department of Geography, University of Sheffield, Sheffield S10 2TN, United Kingdom; Department of Civil and Structural Engineering, University of Sheffield, Sheffield S10 2TN, United Kingdom
| | - Edward Rhodes
- Department of Geography, University of Sheffield, Sheffield S10 2TN, United Kingdom
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Khanam R, Nayak AK, Kulsum PGPS, Mandal J, Shahid M, Tripathy R, Bhattacharyya P, Selvam P, Munda S, Manickam S, Debnath M, Bandaru RG. Silica sources for arsenic mitigation in rice: machine learning-based predictive modeling and risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113660-113673. [PMID: 37851247 DOI: 10.1007/s11356-023-30339-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 10/04/2023] [Indexed: 10/19/2023]
Abstract
Arsenic (As) is a well-known human carcinogen, and the consumption of rice is the main pathway for the South Asian people. The study evaluated the impact of the amendments involving CaSiO3, SiO2 nanoparticles, silica solubilizing bacteria (SSB), and rice straw compost (RSC) on mitigation of As toxicity in rice. The translocation of As from soil to cooked rice was tracked, and the results showed that RSC and its combination with SSB were the most effective in reducing As loading in rice grain by 53.2%. To determine the risk of dietary exposure to As, the average daily intake (ADI), hazard quotient (HQ), and incremental lifetime cancer risk (ILCR) were computed. The study observed that the ADI was reduced to one-third (0.24 μg kg-1bw) under RSC+SSB treatments compared to the control. An effective prediction model was established using random forest model and described the accumulation of As by rice grains depend on bioavailable As, P, and Fe which explained 48.5, 5.07%, and 2.6% of the variation in the grain As, respectively. The model anticipates that to produce As benign rice grain, soil should have P and Fe concentration more than 30 mg kg-1 and 12 mg kg-1, respectively if soil As surpasses 2.5 mg kg-1.
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Affiliation(s)
- Rubina Khanam
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Amaresh Kumar Nayak
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India.
| | | | - Jajati Mandal
- School of Science, Engineering and Environment, University of Salford, Salford, UK
| | - Mohammad Shahid
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Rahul Tripathy
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Pratap Bhattacharyya
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Panneer Selvam
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Sushmita Munda
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Sivashankari Manickam
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
| | - Manish Debnath
- ICAR-Crop Production Division, National Rice Research Institute, 753006, Cuttack, Odisha, India
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Sawangjang B, Takizawa S. Re-evaluating fluoride intake from food and drinking water: Effect of boiling and fluoride adsorption on food. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130162. [PMID: 36257112 DOI: 10.1016/j.jhazmat.2022.130162] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/01/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Although drinking water is the main source of fluoride intake, recent studies reported that fluoride intake from foods could also be high, depending on cooking methods. In this study, we quantified the fluoride accumulation in foods soaked or boiled in fluoride-containing water and assessed the fluoride intake in different age groups from food and drinking water. We observed that, in the case of rice soaked in fluoride-containing water, more fluoride was accumulated in the rice than previously estimated. Fluoride interferes with the iodine staining process of rice, indicating fluoride adsorption. Fluoride accumulation in rice and vegetables increased when the soaking temperature was raised to 100 °C due to the gelatinization of rice grains and softening of vegetables. Ingesting foods boiled in fluoride-containing water increased the fluoride intake per body weight of infants more significantly than that in children and adults due to their low body weight. These results indicate that soaking and boiling foods in fluoride-containing water significantly increases fluoride intake compared to previous estimations. Therefore, it is necessary to re-evaluate the fluoride intake from food and drinking water considering the methods used for cooking food in each country and region.
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Affiliation(s)
- Benyapa Sawangjang
- Department of Urban Engineering, Graduate School of Engineering, The University of Tokyo, Japan 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Satoshi Takizawa
- Department of Urban Engineering, Graduate School of Engineering, The University of Tokyo, Japan 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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4
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Li M, Guo X, Wen N, Gan Z, Huang Y, Zhang Y, Kang Y, Zeng L. Speciation and bioaccessibility of arsenic in rice under different cooking methods and its implication in risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:87938-87949. [PMID: 35829890 DOI: 10.1007/s11356-022-21895-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
Numerous studies have studied the health risk assessment of human exposure to As or bioaccessible As via rice intake; however, the bioaccessibility of different As species in rice is seldom reported. In the present study, 31 rice samples were collected from markets or individual growers to investigate the speciation and bioaccessibility of As. Five different species (AsIII, AsV, DMA, MMA, and AsB) were detected in rice samples from different regions, among which AsIII accounted for the largest proportion (62.95% in average), followed by DMA and AsV. In addition, the cooking method could facilitate the release of As from rice into gastric and intestinal juice, and subsequently increase the bioaccessibility of As. The bioaccessibility of inorganic As in cooked rice ranged from 71.83 to 100%, and that of organic As ranged from 31.69 to 61.04%. Non-carcinogenic and carcinogenic risk assessment of children and adults exposure to As via rice intake considering the bioaccessibility of cooked rice was carried out. The target hazard quotient (THQ) of iAs and total As for children ranged from 0.21 to 1.61 and 0.48 to 2.26, respectively, while those for adults ranged from 0.12 to 0.88 and 0.26 to 1.23, respectively. Incremental lifetime cancer risk (ILCR) for children and adults ranged from 9.57 [Formula: see text] 10-5 to 7.25 [Formula: see text] 10-4 and 5.21 [Formula: see text] 10-5 to 3.95 [Formula: see text] 10-4, respectively. The results of risk assessment indicated that children would face a higher health risk than adults when they took the same type of rice as their staple food.
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Affiliation(s)
- Meihui Li
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
| | - Xiaoyuan Guo
- Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, 999078, China
| | - Nihong Wen
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
| | - Zijun Gan
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
| | - Yanru Huang
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
| | - Yuanbo Zhang
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
| | - Yuan Kang
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China
- Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Lixuan Zeng
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, People's Republic of China.
- Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China.
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TatahMentan M, Nyachoti S, Okwori F, Godebo TR. Elemental composition of Rice and Lentils from various countries: A Probabilistic Risk Assessment of Multiple Life Stages. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Shraim AM, Ahmad MI, Rahman MSF, Ng JC. Concentrations of essential and toxic elements and health risk assessment in brown rice from Qatari market. Food Chem 2022; 376:131938. [PMID: 34992047 DOI: 10.1016/j.foodchem.2021.131938] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 02/05/2023]
Abstract
Twenty-two brown rice varieties available in the Qatari market were analyzed for essential and toxic elements by ICP-MS. Found concentrations (µg/kg) were: As: 171 ± 78 (62-343), Cd: 42 ± 60 (4-253), Cr: 515 ± 69 (401-639), Pb: 6 ± 7 (<MDL-26), and U: 0.1 ± 0.5 (<MDL-2). One third of the samples contained high levels of arsenic. Significant differences (p < 0.008) in concentrations were observed for many elements based on both the grains' country of origin and size. Calculated carcinogenic risk according to published speciation data of inorganic arsenic and chromium(VI) available in the literature for rice is > 1 in million, may possibly be > 1 in 10,000 based on conservatively high brown rice consumption rates of 200 g/d or 400 g/d in Qatar. These elevated risks may be applicable to specific population subgroups with diabetic conditions who consume only brown rice. Non-cancer risks are mainly derived from Mn, V, Se, and Cd with a hazard index > 1 from some brown rice samples.
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Affiliation(s)
- Amjad M Shraim
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, 2713 Doha, Qatar.
| | | | | | - Jack C Ng
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, Brisbane, QLD 4102, Australia.
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Khanam R, Peera Sheikh Kulsum PG, Mandal B, Chand Hazra G, Kundu D. The mechanistic pathways of arsenic transport in rice cultivars: Soil to mouth. ENVIRONMENTAL RESEARCH 2022; 204:111942. [PMID: 34481820 DOI: 10.1016/j.envres.2021.111942] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/15/2021] [Accepted: 08/20/2021] [Indexed: 06/13/2023]
Abstract
Rice cultivars are major conduit of arsenic (As) poisoning to human. We quantified transferability of fifteen rice cultivars representing three groups i.e., high yielding variety (HYV), local aromatic rice (LAR) and hybrid for As from soil to cooked rice and its ingestion led health risk, elucidating the processes of its unloading at five check points. Conducting a field experiment with those cultivars, we sampled roots and shoots at tillering, booting and maturity (with grains), separated the grains into husk, bran and polished rice, cooked it through different methods and analyzed for As. Of the tested groups, As restriction from root to grain followed the order: LARs (94%) > HYVs (88.3%) > hybrids (87.2%). The low As sequestration by LARs was attributed to their higher root biomass (10.20 g hill-1) and Fe-plaque formation (2421 mg kg-1), and lower As transfer coefficients (0.17), and higher As retention in husk and bran (84%). On average, based on calculated four major risk indices, LARs showed 4.7-6.8 folds less As toxicity than HYVs and hybrids. These insights are helpful in advocating some remedies for As toxicity of the tested rice cultivars.
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Affiliation(s)
- Rubina Khanam
- ICAR-Crop Production Division, National Rice Research Institute, Cuttack, 753006, Odisha, India.
| | | | - Biswapati Mandal
- Department of Agricultural Chemistry and Soil Science, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, 741252, West Bengal, India
| | - Gora Chand Hazra
- Department of Agricultural Chemistry and Soil Science, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, 741252, West Bengal, India
| | - Dipa Kundu
- Faculty of Agriculture, Sister Nivedita University, Kolkata, New Town, 700156, West Bengal, India
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8
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Biswas B, Chakraborty A, Chatterjee D, Pramanik S, Ganguli B, Majumdar KK, Nriagu J, Kulkarni KY, Bansiwal A, Labhasetwar P, Bhowmick S. Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 228:113012. [PMID: 34837872 DOI: 10.1016/j.ecoenv.2021.113012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 10/02/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Arsenic is a well-known carcinogen with emerging reports showing a range of health outcomes even for low to moderate levels of exposure. This study deals with arsenic exposure and associated increased lifetime cancer risk for populations in arsenic-endemic regions of rural Bengal, where arsenic-safe drinking water is being supplied at present. We found a median total exposure of inorganic arsenic to be 2. 9 μg/Kg BW/day (5th and 95th percentiles were 1.1 μg/Kg BW/day and 7.9 μg/Kg BW/day); with major contribution from cooked rice intake (2.4 µg/Kg BW/day). A significant number of households drank arsenic safe water but used arsenic-rich water for rice cooking. As a result, 67% participants had inorganic arsenic intake above the JEFCA threshold value of 3 μg/Kg BW/day for cancer risk from only rice consumption when arsenic contaminated water was used for cooking (median: 3.5 μg/Kg BW/day) compared to 29% participants that relied on arsenic-free cooking water (median: 1.0 µg/kg BW/day). Arsenic in urine samples of study participants ranged from 31.7 to 520 µg/L and was significantly associated with the arsenic intake (r = 0.76); confirming the preponderance of arsenic exposure from cooked rice. The median arsenic attributable cancer risks from drinking water and cooked rice were estimated to be 2.4 × 10-5 and 2.7 × 10-4 respectively, which further emphasized the importance of arsenic exposure from staple diet. Our results show that any mitigation strategy should include both drinking water and local staple foods in order to minimize the potential health risks of arsenic exposure.
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Affiliation(s)
- Bratisha Biswas
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Arijit Chakraborty
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Debashis Chatterjee
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Sreemanta Pramanik
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Bhaswati Ganguli
- Department of Statistics, University of Calcutta, 35 Bullygunge Circular Road, Kolkata, West Bengal 700 019, India
| | - Kunal Kanti Majumdar
- Department of Community Medicine, KPC Medical College and Hospital, Jadavpur, Kolkata, India
| | - Jerome Nriagu
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, 109 Observatory Street, Ann Arbor, MI 48109-2029, USA
| | - Ketki Y Kulkarni
- Sophisticated Environmental Analytical Facility (SAEF), CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440 020, India
| | - Amit Bansiwal
- Sophisticated Environmental Analytical Facility (SAEF), CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440 020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Pawan Labhasetwar
- Water Technology & Management Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Subhamoy Bhowmick
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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9
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Wang W, Gong Y, Greenfield BK, Nunes LM, Yang Q, Lei P, Bu W, Wang B, Zhao X, Huang L, Zhong H. Relative contribution of rice and fish consumption to bioaccessibility-corrected health risks for urban residents in eastern China. ENVIRONMENT INTERNATIONAL 2021; 155:106682. [PMID: 34120005 DOI: 10.1016/j.envint.2021.106682] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/21/2021] [Accepted: 05/31/2021] [Indexed: 05/20/2023]
Abstract
There are global concerns about dietary exposure to metal(loid)s in foods. However, little is known about the relative contribution of rice versus fish to multiple metal(loid) exposure for the general population, especially in Asia where rice and fish are major food sources. We compared relative contributions of rice and fish consumption to multi-metal(loid) exposure on the city-scale (Nanjing) and province-scale in China. The effects of ingestion rate, metal(loid) level, and bioaccessibility were examined to calculate modeled risk from Cu, Zn, total As (TAs), inorganic As (iAs), Se, Cd, Pb, and methylmercury (MeHg). Metal(loid) levels in rice and fish samples collected from Nanjing City were generally low, except iAs. Metal(loid) bioaccessibilities in fish were higher than those in rice, except Se. Calculated carcinogenic risks induced by iAs intake (indicated by increased lifetime cancer risk, ILCR) were above the acceptable level (1 0 -4) in Nanjing City (median: 3 × 10-4 for female and 4 × 10-4 for male) and nine provinces (1.4 × 10-4 to 5.9 × 10-4) in China. Rice consumption accounted for 85.0% to 99.8% of carcinogenic risk. The non-carcinogenic hazard quotients (HQ) for single metals and hazard index (HI) for multi-metal exposure were < 1 in all cases, indicating of their slight non-carcinogen health effects associated. In Guangdong and Jiangsu provinces, results showed that rice and fish intake contributed similarly to the HI (i.e., 42.6% vs 57.4% in Guangdong and 54.6% vs 45.4% in Jiangsu). Sensitivity analysis indicated that carcinogenic risk was most sensitive to rice ingestion rate and rice iAs levels, while non-carcinogenic hazard (i.e., HQ and HI) was most sensitive to ingestion rate of fish and rice, and Cu concentration in rice. Our results suggest that rice is more important than fish for human dietary metal(loid) exposure risk in China, and carcinogenic risk from iAs exposure in rice requires particular attention.
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Affiliation(s)
- Wenqin Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yu Gong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China; Division of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto 6158540, Japan
| | - Ben K Greenfield
- Public Health Program, Muskie School of Public Service, University of Southern Maine, Portland, ME 04101, USA
| | - Luís M Nunes
- University of Algarve, Civil Engineering Research and Innovation for Sustainability Center, Faro, Portugal
| | - Qianqi Yang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Pei Lei
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Wenbo Bu
- Institute of Dermatology, Chinese Academy of Medical Sciences, Peking Union Medical College, Nanjing 210042, PR China
| | - Bin Wang
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China
| | - Xiaomiao Zhao
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Lei Huang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| | - Huan Zhong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China; Environmental and Life Sciences Program (EnLS), Trent University, Peterborough, Ontario, Canada.
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10
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Zhou Z, Yang G, Xun P, Wang Q, Shao K. Bioaccessibility of Inorganic Arsenic in Rice: Probabilistic Estimation and Identification of Influencing Factors. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1970762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Zheng Zhou
- Department of Environmental and Occupational Health, School of Public Health – Bloomington, Indiana University, Bloomington, Indiana, USA
| | - Guiling Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou China
| | - Pengcheng Xun
- Department of Epidemiology and Biostatistics, School of Public Health – Bloomington, Indiana University, Bloomington, Indiana, USA
| | - Qiang Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou China
| | - Kan Shao
- Department of Environmental and Occupational Health, School of Public Health – Bloomington, Indiana University, Bloomington, Indiana, USA
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11
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Menon M, Dong W, Chen X, Hufton J, Rhodes EJ. Improved rice cooking approach to maximise arsenic removal while preserving nutrient elements. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:143341. [PMID: 33153748 DOI: 10.1016/j.scitotenv.2020.143341] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/12/2020] [Accepted: 10/16/2020] [Indexed: 05/27/2023]
Abstract
Inorganic arsenic (iAs) is a group 1 carcinogen, and consumption of rice can be a significant pathway of iAs exposure in the food chain. Although there are regulations in place to control iAs for marketed rice in some countries, additional measures are explored to remove arsenic from rice. Due to the surface-bound and soluble nature of iAs, previous studies have shown that it can be removed to a significant extent using different cooking methods. Towards this goal we modified and tested the absorption method in combination with four home-friendly cooking treatments (UA = unwashed and absorbed, WA = washed and absorbed, PSA = pre-soaked and absorbed, and PBA = parboiled and absorbed) using both brown and white rice (3 types each). The nutrient elements were measured using ICP-MS and arsenic speciation was carried out using LC-ICP-MS. Overall, our results show that PBA was the optimum approach assessed, removing 54% and 73% of inorganic arsenic (iAs) for brown and white rice respectively, raising the margin of exposure (MOE) by 3.7 for white rice and 2.2 times for brown rice, thus allowing the consumption of rice more safely for infants, children and adults. Other cooking treatments were effective in reducing the iAs concentration from white rice only. Here we also report changes in selected nutrient elements (P, K, Mg, Zn and Mn) which are relatively abundant in rice. In general, the treatments retained more nutrients in brown rice than white rice. No significant loss of Zn was observed from both rice types and the loss of other nutrients was similar or less than in comparison to reported losses from rice cooked in excess water in the literature. We conclude that PBA is a promising technique and further research is needed by including different regional rice types and water quality levels.
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Affiliation(s)
- Manoj Menon
- Department of Geography, University of Sheffield, Sheffield, S10 2TN, United Kingdom.
| | - Wanrong Dong
- The School of Health and Related Research, University of Sheffield, Sheffield, S10 2TN, United Kingdom
| | - Xumin Chen
- The School of Health and Related Research, University of Sheffield, Sheffield, S10 2TN, United Kingdom
| | - Joseph Hufton
- Department of Geography, University of Sheffield, Sheffield, S10 2TN, United Kingdom
| | - Edward J Rhodes
- Department of Geography, University of Sheffield, Sheffield, S10 2TN, United Kingdom; Earth, Planetary, and Space Sciences, University of California Los Angeles, Los Angeles, CA 90095, USA
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12
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Rahman MM, Alauddin M, Alauddin ST, Siddique AB, Islam MR, Agosta G, Mondal D, Naidu R. Bioaccessibility and speciation of arsenic in children's diets and health risk assessment of an endemic area in Bangladesh. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:124064. [PMID: 33265062 DOI: 10.1016/j.jhazmat.2020.124064] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/24/2020] [Accepted: 09/19/2020] [Indexed: 06/12/2023]
Abstract
This study determines the bioaccessibility of toxic and carcinogenic arsenic (As) in composite food samples and evaluates potential exposure from food intake in Bangladesh children. Total As (tAs), inorganic As (iAs) and bioaccessible As (BAs) in food composite samples consumed by children were compared between an exposed and a control group (based on As in drinking water). Total As concentrations in composite food samples of children exposed to mean As level of 331 µg/l in drinking and cooking water ranged from 586 to 1975 µg/kg, dry weight over 76-90 µg/kg in the unexposed group. Average iAs in food composites was 73.9% (range: 49.3-90.8%). The fraction of BAs using gastric and gastrointestinal phases was 91 ± 13% and 98 ± 11%, respectively. Daily intake of iAs in the exposed group ranged from 0.41 to 6.38 µg per kg body weight (BW), which was much higher than the unexposed group (0.08-0.15 µg per kg BW). High iAs content and BAs in composite food samples indicated the elevated risk to exposed children. Further research should include both adults and children using larger sample size to determine overall As exposure from food intake in Bangladesh, attention must be given to lowering of As in food.
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Affiliation(s)
- Mohammad Mahmudur Rahman
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan Campus, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC-CARE), ATC Building, The University of Newcastle, Callaghan, NSW 2308, Australia.
| | - Mohammad Alauddin
- Department of Chemistry, Wagner College, Staten Island, NY 10301, USA
| | - Sarah T Alauddin
- Department of Chemistry, Wagner College, Staten Island, NY 10301, USA
| | - Abu Bakkar Siddique
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan Campus, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC-CARE), ATC Building, The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Agriculture, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Md Rashidul Islam
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan Campus, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC-CARE), ATC Building, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Gabriella Agosta
- Department of Chemistry, Wagner College, Staten Island, NY 10301, USA
| | - Debapriya Mondal
- School of Science, Engineering & Environment, University of Salford, Salford M5 4WT, UK
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan Campus, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC-CARE), ATC Building, The University of Newcastle, Callaghan, NSW 2308, Australia
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13
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Tian Y, Xu H, Liu S, Fang M, Wu Y, Gong Z. Study on the bioaccessibility and bioavailability of perchlorate in different food matrices in vitro. Food Chem 2020; 333:127470. [PMID: 32653684 DOI: 10.1016/j.foodchem.2020.127470] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 06/18/2020] [Accepted: 06/29/2020] [Indexed: 10/23/2022]
Abstract
Perchlorate, a persistent pollutant, interferes with iodine uptake by the thyroid. Perchlorate exposure mainly occurs through ingested food; understanding the bioaccessibility and bioavailability of perchlorate in foods facilitate more accurate human health risk assessments. An in vitro digestion/Caco-2 cell model was used for this research. The bioaccessibility of perchlorate in the control group, lettuce, rice and formula was 93.45%, 70.14%, 70.25%, and 63.68%, respectively. The bioavailability of perchlorate was as follows: control group, 43.45%; rice, 37.17%; lettuce, 35.13%; and formula, 30.72%. The absorptive apparent permeability coefficient (Papp) of the control, lettuce, rice, and formula was 30-101 nm/s, 32-65 nm/s, 54-161 nm/s, and 41-88 nm/s, respectively. The results suggested that the risk from perchlorate was overestimated only when considering the content of perchlorate in foods and that the presence of food matrices reduced perchlorate bioavailability by differing degrees.
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Affiliation(s)
- Yimei Tian
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, Hubei, People's Republic of China
| | - Hao Xu
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, Hubei, People's Republic of China
| | - Shiqiao Liu
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, Hubei, People's Republic of China
| | - Min Fang
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, Hubei, People's Republic of China
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, People's Republic of China
| | - Zhiyong Gong
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, Hubei, People's Republic of China.
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14
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Cano-Lamadrid M, Girona D, García-García E, Dominguis-Rovira V, Domingo C, Sendra E, López-Lluch D, Carbonell-Barrachina ÁA. Distribution of essential and non-essential elements in rice located in a Protected Natural Reserve “Marjal de Pego-Oliva”. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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15
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Craggs M, Gibson GR, Whalley P, Collins CD. Bioaccessibility of Difenoconazole in Rice Following Industry Standard Processing and Preparation Procedures. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:10167-10173. [PMID: 32786844 PMCID: PMC7499419 DOI: 10.1021/acs.jafc.0c02648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
For pesticide registration a post application assessment is made on the safety of any residue remaining in the edible portion of the treated crop. This assessment does not typically consider the bioaccessibility of pesticide residues. The effects of this on potential exposure to incurred difenoconazole residues passing through the human gastrointestinal tract were studied, including the impact of commodity processing. It has previously been demonstrated that solvent extraction methods have the potential to overestimate the bioaccessible fraction, so in vitro simulated gut systems may offer a better approach to determine residue bioaccessibility to refine the risk assessment process. The bioaccessibility of difenoconazole residues associated with processed rice samples was assessed using in vitro intestinal extraction and colonic fermentation methods. The mean bioaccessibility following intestinal digestion was 33.3% with a range from 13% to 70.6%. Quantification of the colonic bioaccessible fraction was not possible due to compound metabolism. Mechanical processing methods generally increased the residue bioaccessibility, while chemical methods resulted in a decrease. Both mechanical and chemical processing methods reduced the total difenoconazole residue level by ca. 50%.
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Affiliation(s)
- M Craggs
- Product Safety, Jealott's Hill International Research Centre, Syngenta International AG, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - G R Gibson
- Food Microbial Sciences Unit, School of Food Biosciences, University of Reading, Reading RG6 6AP, United Kingdom
| | - P Whalley
- Product Safety, Jealott's Hill International Research Centre, Syngenta International AG, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - C D Collins
- Department of Soil Science, School of Human & Environmental Sciences, University of Reading, Whiteknights, Reading RG6 6DW, United Kingdom
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16
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Xue L, Zhao Z, Zhang Y, Liao J, Wu M, Wang M, Sun J, Gong H, Guo M, Li S, Zheng Y. Dietary exposure to arsenic and human health risks in western Tibet. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 731:138840. [PMID: 32417471 DOI: 10.1016/j.scitotenv.2020.138840] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/15/2020] [Accepted: 04/18/2020] [Indexed: 06/11/2023]
Abstract
The health effects of drinking water exposure to inorganic arsenic are well known but are less well defined for dietary exposure. The rising concerns of arsenic risks from diet motivated this study of arsenic concentrations in highland barley, vegetables, meat, and dairy products to evaluate arsenic exposure source and to assess health risks among rural residents of Ngari area, western Tibet. Total arsenic and arsenic speciation were measured by inductively coupled plasma mass spectrometry (ICP-MS) and high-performance liquid chromatography combined with ICP-MS (HPLC-ICP-MS) respectively. Average total arsenic concentrations of 0.18 ± 0.21 (n = 45, median: 0.07 mg·kg-1), 0.40 ± 0.57 (n = 17, median: 0.15 mg·kg-1), 0.21 ± 0.16 (n = 12, median: 0.17 mg·kg-1), and 0.18 ± 0.08 (n = 11, median: 0.22 mg·kg-1) were observed in highland barley, vegetables, meat, and dairy products, respectively. Inorganic arsenic was determined to be the main species of arsenic in highland barley, accounting for about 64.4 to 99.3% (average 83.3%) of total arsenic. Nearly half (44.4%) of the local residents had ingested >3.0 × 10-4 mg·kg-1·d-1 daily dose of arsenic from highland barley alone, above the maximum oral reference dose recommended by the United States Environmental Protection Agency (USEPA). The inorganic arsenic daily intake from highland barley was 3.6 × 10-4 mg·kg-1·d-1. Dietary exposure to inorganic arsenic alone increased the cancer risk probability to 5.4 in 10,000, assuming that the inorganic arsenic in highland barley has the same carcinogenic effects as that in water.
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Affiliation(s)
- Lili Xue
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhenjie Zhao
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yinfeng Zhang
- National Plateau Wetlands Research Center, The College of Wetlands, Southwest Forestry University, Kunming 650000, China
| | - Jie Liao
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei Wu
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mingguo Wang
- Center for Hydrogeology and Environmental Geology, China Geological Survey, Baoding 071051, China
| | - Jing Sun
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
| | - Hongqiang Gong
- Tibet Center for Disease Control and Prevention, Lhasa 850000, China
| | - Min Guo
- Tibet Center for Disease Control and Prevention, Lhasa 850000, China
| | - Shehong Li
- The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China.
| | - Yan Zheng
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
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17
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Fernando TD, Jayawardena BM, Mathota Arachchige YLN. Variation of different metabolites and heavy metals in Oryza sativa L., related to chronic kidney disease of unknown etiology in Sri Lanka. CHEMOSPHERE 2020; 247:125836. [PMID: 31931313 DOI: 10.1016/j.chemosphere.2020.125836] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 12/30/2019] [Accepted: 01/02/2020] [Indexed: 06/10/2023]
Abstract
Chronic Kidney Disease of Unknown Etiology (CKDu) is a serious health problem in Sri Lanka. This disease is especially seen among lowland rice cultivators. Chemical stress factors such as pesticides and heavy metals can change the chemical composition and quantities of various metabolites in plants. Therefore, in this study phenolic compounds, free amino acid content and Chromium, Cadmium, Lead contents of rice grains were determined in CKDu prevalent areas. Furthermore, Chromium, Cadmium and Lead contents of cooked rice in CKDu prevalent areas were determined because they still use well water for cooking purposes and none of studies have been conducted to investigate the heavy metal contents of cooked rice. The total flavonoid contents of rice grains in highly CKDu affected areas are comparatively lower and has a significant negative correlation with Cadmium and Chromium contents in rice grains (P < 0.05). The Chromium, Cadmium and Lead contents of raw rice have been reduced during cooking process. Therefore, these heavy metal contents in cooking water are not sufficient to increase those heavy metal contents in cooked rice. However, the weekly intake of Chromium through cooked rice in CKDu prevalent area is higher than Povisional Tolerable Weekly Intake (PTWI) and weekly intake of Cadmium can exceed the PTWI with other foods rich with Cadmium. Therefore, this study suggested that total flavonoid content in rice grains is a important variation factor of CKDu prevalence and the chronic intake of Chromium and Cadmium contents may result kidney failure.
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Affiliation(s)
- T D Fernando
- Department of Chemistry, University of Kelaniya, Kelaniya, Sri Lanka.
| | - B M Jayawardena
- Department of Chemistry, University of Kelaniya, Kelaniya, Sri Lanka.
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18
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Karagas MR, Punshon T, Davis M, Bulka CM, Slaughter F, Karalis D, Argos M, Ahsan H. Rice Intake and Emerging Concerns on Arsenic in Rice: a Review of the Human Evidence and Methodologic Challenges. Curr Environ Health Rep 2019; 6:361-372. [PMID: 31760590 PMCID: PMC7745115 DOI: 10.1007/s40572-019-00249-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Rice is a major staple food worldwide and a dietary source of arsenic. We therefore summarized the state of the epidemiologic evidence on whether rice consumption relates to health outcomes associated with arsenic exposure. RECENT FINDINGS While epidemiologic studies have reported that higher rice consumption may increase the risk of certain chronic conditions, i.e., type 2 diabetes, most did not consider specific constituents of rice or other sources of arsenic exposure. Studies that examined rice intake stratified by water concentrations of arsenic found evidence of increasing trends in cardiovascular disease risk, skin lesions, and squamous cell skin cancers and bladder cancer associated with higher rice consumption. Further studies are needed to understand the health impacts of arsenic exposure from rice consumption taking into account all sources of rice intake and potential confounding by other dietary constituents or contaminants and arsenic exposure from sources such as water.
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Affiliation(s)
- Margaret R Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Hanover, NH, 03756, USA.
| | - Tracy Punshon
- Department of Biological Sciences, Dartmouth College, Hanover, NH, 03755, USA
| | - Matt Davis
- Department of Systems, Populations and Leadership, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Catherine M Bulka
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Francis Slaughter
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Hanover, NH, 03756, USA
| | - Despina Karalis
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Hanover, NH, 03756, USA
| | - Maria Argos
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Habibul Ahsan
- Department of Public Health Sciences, University of Chicago, Chicago, IL, 60637, USA
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19
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Kumarathilaka P, Seneweera S, Ok YS, Meharg A, Bundschuh J. Arsenic in cooked rice foods: Assessing health risks and mitigation options. ENVIRONMENT INTERNATIONAL 2019; 127:584-591. [PMID: 30986740 DOI: 10.1016/j.envint.2019.04.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/31/2019] [Accepted: 04/01/2019] [Indexed: 06/09/2023]
Abstract
Human exposure to arsenic (As) through the consumption of rice (Oryza sativa L.) is a worldwide health concern. In this paper, we evaluated the major causes for high inorganic As levels in cooked rice foods, and the potential of post-harvesting and cooking options for decreasing inorganic As content in cooked rice, focusing particularly on As endemic areas. The key factors for high As concentration in cooked rice in As endemic areas are: (1) rice cultivation on As-contaminated paddy soils; (2) use of raw rice grains which exceed 200 μg kg-1 of inorganic As to cook rice; and (3) use of As-contaminated water for cooking rice. In vitro and in vivo methods can provide useful information regarding the bioaccessibility of As in the gastrointestinal tract. Urinary levels of As can also be used as a valid measure of As exposure in humans. Polishing of raw rice grains has been found to be a method to decrease total As content in cooked rice. Sequential washing of raw rice grains and use of an excess volume of water for cooking also decrease As content in cooked rice. The major concern with those methods (i.e. polishing of raw rice, sequential washing of raw rice, and use of excess volume of water for cooking rice) is the decreased nutrient content in the cooked rice. Cooking rice in percolating water has recently gained significant attention as a way to decrease As content in cooked rice. Introducing and promoting rainwater harvesting systems in As endemic areas may be a sustainable way of reducing the use of As-contaminated water for cooking purposes. In conclusion, post-harvesting methods and changes in cooking practices could reduce As content in cooked rice to a greater extent. Research gaps and directions for future studies in relation to different post-harvesting and cooking practices, and rainwater harvesting systems are also discussed in this review.
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Affiliation(s)
- Prasanna Kumarathilaka
- School of Civil Engineering and Surveying, Faculty of Health, Engineering and Sciences, University of Southern Queensland, West Street, Toowoomba, Queensland, 4350, Australia
| | - Saman Seneweera
- Centre for Crop Health, Faculty of Health, Engineering and Sciences, University of Southern Queensland, West Street, Toowoomba, Queensland, 4350, Australia; National Institute of Fundamental Studies, Hantana Road, Kandy, 20000, Sri Lanka
| | - Yong Sik Ok
- Korea Biochar Research Center & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
| | - Andrew Meharg
- Institute for Global Food Security, Queen's University Belfast, David Keir Building, Malone Road, Belfast, BT9 5BN, United Kingdom
| | - Jochen Bundschuh
- School of Civil Engineering and Surveying, Faculty of Health, Engineering and Sciences, University of Southern Queensland, West Street, Toowoomba, Queensland, 4350, Australia; UNESCO Chair on Groundwater Arsenic within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba, Queensland, 4350, Australia.
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20
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Mandal U, Singh P, Kundu AK, Chatterjee D, Nriagu J, Bhowmick S. Arsenic retention in cooked rice: Effects of rice type, cooking water, and indigenous cooking methods in West Bengal, India. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 648:720-727. [PMID: 30130735 DOI: 10.1016/j.scitotenv.2018.08.172] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 08/10/2018] [Accepted: 08/13/2018] [Indexed: 06/08/2023]
Abstract
This study evaluated the concentration of arsenic in paired raw and cooked rice prepared by individual households in arsenic-endemic rural area of West Bengal. The aim was to investigate how the cooking habits of rural villagers of West Bengal might influence the arsenic content of rice meals. It was found that the use of arsenic-rich groundwater for cooking could elevate the arsenic concentration in cooked rice (up to 129% above the raw sample), thereby enhancing the vulnerability of the rural population of West Bengal to arsenic exposure through rice consumption. The risk is heightened by the habit of drinking the stewed rice water (gruel) in the local communities. The cooking method employed, rice variety, background arsenic concentration in raw rice and cooking water arsenic concentration were found to be important predisposing factors that could affect the accumulation of arsenic in cooked form. The fundamental indigenous cooking practice followed by the villagers requires use of low-arsenic water for cooking as a necessary strategy to alleviate arsenic exposure in their staple food.
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Affiliation(s)
- Ujjal Mandal
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Payel Singh
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India; Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Amit Kumar Kundu
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Debashis Chatterjee
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India.
| | - Jerome Nriagu
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, 109 Observatory Street, Ann Arbor, MI 48109-2029, USA
| | - Subhamoy Bhowmick
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India.
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21
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Hu L, Zhang B, Wu D, Fan H, Tu J, Liu W, Huang R, Huang X. Estimation of arsenic bioaccessibility in raw and cooked radish using simulated in vitro digestion. Food Funct 2019; 10:1426-1432. [DOI: 10.1039/c8fo02003e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Boiled cooking should be recommended when we consume As-contaminated vegetables.
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Affiliation(s)
- Liang Hu
- Key Laboratory of Poyang Lake Environment and Resource Utilization of the Ministry of Education
- School of Resource
- Environment and Chemical Engineering, Nanchang University
- Nanchang 330031
- China
| | - Baojun Zhang
- Jiangxi Provincial Key Laboratory of Preventive Medicine
- Nanchang University
- Nanchang 330006
- China
- Key Laboratory of Land Surface Pattern and Simulation
| | - Daishe Wu
- Key Laboratory of Poyang Lake Environment and Resource Utilization of the Ministry of Education
- School of Resource
- Environment and Chemical Engineering, Nanchang University
- Nanchang 330031
- China
| | - Houbao Fan
- Jiangxi Provincial Key Laboratory for Restoration of Degraded Ecosystems & Watershed Ecohydrology
- Nanchang Institute of Technology
- Nanchang 330099
- China
| | - Jie Tu
- Jiangxi Provincial Key Laboratory for Restoration of Degraded Ecosystems & Watershed Ecohydrology
- Nanchang Institute of Technology
- Nanchang 330099
- China
| | - Wenfei Liu
- Jiangxi Provincial Key Laboratory for Restoration of Degraded Ecosystems & Watershed Ecohydrology
- Nanchang Institute of Technology
- Nanchang 330099
- China
| | - Rongzhen Huang
- Jiangxi Provincial Key Laboratory for Restoration of Degraded Ecosystems & Watershed Ecohydrology
- Nanchang Institute of Technology
- Nanchang 330099
- China
| | - Xueping Huang
- Jiangxi Provincial Key Laboratory for Restoration of Degraded Ecosystems & Watershed Ecohydrology
- Nanchang Institute of Technology
- Nanchang 330099
- China
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22
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Bhowmick S, Pramanik S, Singh P, Mondal P, Chatterjee D, Nriagu J. Arsenic in groundwater of West Bengal, India: A review of human health risks and assessment of possible intervention options. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 612:148-169. [PMID: 28850835 DOI: 10.1016/j.scitotenv.2017.08.216] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/15/2017] [Accepted: 08/20/2017] [Indexed: 05/03/2023]
Abstract
This paper reviews how active research in West Bengal has unmasked the endemic arsenism that has detrimental effects on the health of millions of people and their offspring. It documents how the pathways of exposure to this toxin/poison have been greatly expanded through intensive application of groundwater in agriculture in the region within the Green Revolution framework. A goal of this paper is to compare and contrast the similarities and differences in arsenic occurrence in West Bengal with those of other parts of the world and assess the unique socio-cultural factors that determine the risks of exposure to arsenic in local groundwater. Successful intervention options are also critically reviewed with emphasis on integrative strategies that ensure safe water to the population, proper nutrition, and effective ways to reduce the transfer of arsenic from soil to crops. While no universal model may be suited for the vast areas of the world affected with by natural contamination of groundwater with arsenic, we have emphasized community-specific sustainable options that can be adapted. Disseminating scientifically correct information among the population coupled with increased community level participation and education are recognized as necessary adjuncts for an engineering intervention to be successful and sustainable.
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Affiliation(s)
- Subhamoy Bhowmick
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India.
| | - Sreemanta Pramanik
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Payel Singh
- Kolkata Zonal Center, CSIR-National Environmental Engineering Research Institute (NEERI), Kolkata, West Bengal 700107, India
| | - Priyanka Mondal
- Ceramic Membrane Division, CSIR-Central Glass and Ceramic Research Institute (CGCRI), Raja S.C. Mullick Road, Kolkata 700032, India
| | - Debashis Chatterjee
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Jerome Nriagu
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, 109 Observatory Street, Ann Arbor, MI 48109-2029, USA
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23
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Lee SG, Kim J, Park H, Holzapfel W, Lee KW. Assessment of the effect of cooking on speciation and bioaccessibility/cellular uptake of arsenic in rice, using in vitro digestion and Caco-2 and PSI cells as model. Food Chem Toxicol 2017; 111:597-604. [PMID: 29222053 DOI: 10.1016/j.fct.2017.11.052] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 11/26/2017] [Accepted: 11/28/2017] [Indexed: 12/21/2022]
Abstract
In vitro digestion/Caco-2 or pig small intestinal epithelium cell line (PSI) uptake models were used to study the bioaccessibility and cellular uptake of arsenic (As) in cooked white rice and brown rice. The arsenite(AsIII), was the predominant species in cooked rice and in its bioaccessible fractions. The percentage of total As bioaccessibility in white rice (75%) was slightly higher (p=0.061) than that in brown rice(66%). However, there was no difference in the inorganic As (iAs) bioaccessibility between white rice (95%) and brown rice (96%). In Caco-2 cell monolayer, total As retention was 7-31%, transport was 4-25%, and uptake (sum of retention and transport) was 16-38%. In PSI cell model, the retention, transport, and uptake of tAs were 10-28%, 14-31%, and 29-50%, respectively. In both cells, the cellular uptake of tAs in brown rice was 1.4-1.5 folds lower (p<0.05) than that of white rice. These results indicate that the cellular uptake of As can be affected by nutritional compositions. These in vitro screening methods can serve as preliminary screens to predict the relative impact in rice matrix having different As species and processing conditions, although more research efforts should be applied to validating the existing in vitro methods.
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Affiliation(s)
- Seul Gi Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, South Korea
| | - Jinhye Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, South Korea
| | - Hyunjoon Park
- Graduate School of Advanced Green Energy and Environment, Handong Global University, Pohang, Gyeongbuk 37554, South Korea
| | - Wilhelm Holzapfel
- Graduate School of Advanced Green Energy and Environment, Handong Global University, Pohang, Gyeongbuk 37554, South Korea
| | - Kwang-Won Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, South Korea.
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Islam S, Rahman MM, Duan L, Islam MR, Kuchel T, Naidu R. Variation in arsenic bioavailability in rice genotypes using swine model: An animal study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 599-600:324-331. [PMID: 28478361 DOI: 10.1016/j.scitotenv.2017.04.215] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/26/2017] [Accepted: 04/27/2017] [Indexed: 05/02/2023]
Abstract
An in vivo assay using swine was used to measure the absolute bioavailability (AB) of As from cooked rice of twelve genotypes commonly grown in Bangladesh. An assessment of both total As in rice and its bioavailability is crucial for estimating human exposure following dietary intake by the local community. Average As concentrations in each rice genotype ranged from 108±4μg/kg to 580±6μg/kg. Arsenic speciation shows that most of the rice genotype contains 73 to 100% inorganic As. Swine were administered with As orally and via intravenous method, i.e. injection and fed certain common Bangladeshi rice genotypes (cooked). Swine blood As levels were measured to calculate As bioavailability from rice. Pilot studies shows that for As(III) and As(V), 90.8±12.4% and 85.0±19.2% of the administered oral dose was absorbed from the gastrointestinal tract whereas organic As was poorly absorbed resulting in low bioavailability values 20.2±2.6% (MMA) to 31.2±3.4% (DMA), respectively. These studies demonstrates that rice genotypic characters influenced As bioavailability in rice grown in As-contaminated areas and the bioavailability varied between 25% and 94%. Arsenic in salt tolerant rice genotypes Binadhan-10 and BRRI dhan47 as well as brown rice genotypes Kheali Boro and Local Boro has lower bioavailability (<50%) compared to other rice genotypes. The most commonly cultivated and consumed variety (BRRI dhan28) has As bioavailability of 70%, which poses a significant risk to consumers. Calculation of maximum tolerable daily intake (MTDI) for humans due to consumption of rice based on bioavailability data was higher than those calculated based on inorganic and organic As concentration in rice genotypes.
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Affiliation(s)
- Shofiqul Islam
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Department of Soil Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mohammad Mahmudur Rahman
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Luchun Duan
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - M R Islam
- Department of Soil Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Tim Kuchel
- South Australian Health and Medical Research Institute (SAHMRI), Gilles Plains, South Australia 5086, Australia
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia.
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25
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Bolan S, Kunhikrishnan A, Seshadri B, Choppala G, Naidu R, Bolan NS, Ok YS, Zhang M, Li CG, Li F, Noller B, Kirkham MB. Sources, distribution, bioavailability, toxicity, and risk assessment of heavy metal(loid)s in complementary medicines. ENVIRONMENT INTERNATIONAL 2017; 108:103-118. [PMID: 28843139 DOI: 10.1016/j.envint.2017.08.005] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Revised: 08/05/2017] [Accepted: 08/09/2017] [Indexed: 05/27/2023]
Abstract
The last few decades have seen the rise of alternative medical approaches including the use of herbal supplements, natural products, and traditional medicines, which are collectively known as 'Complementary medicines'. However, there are increasing concerns on the safety and health benefits of these medicines. One of the main hazards with the use of complementary medicines is the presence of heavy metal(loid)s such as arsenic (As), cadmium (Cd), lead (Pb), and mercury (Hg). This review deals with the characteristics of complementary medicines in terms of heavy metal(loid)s sources, distribution, bioavailability, toxicity, and human risk assessment. The heavy metal(loid)s in these medicines are derived from uptake by medicinal plants, cross-contamination during processing, and therapeutic input of metal(loid)s. This paper discusses the distribution of heavy metal(loid)s in these medicines, in terms of their nature, concentration, and speciation. The importance of determining bioavailability towards human health risk assessment was emphasized by the need to estimate daily intake of heavy metal(loid)s in complementary medicines. The review ends with selected case studies of heavy metal(loid) toxicity from complementary medicines with specific reference to As, Cd, Pb, and Hg. The future research opportunities mentioned in the conclusion of review will help researchers to explore new avenues, methodologies, and approaches to the issue of heavy metal(loid)s in complementary medicines, thereby generating new regulations and proposing fresh approach towards safe use of these medicines.
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Affiliation(s)
- Shiv Bolan
- Global Centre for Environmental Remediation, ATC Building, Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Anitha Kunhikrishnan
- Department of Agro-Food Safety, National Institute of Agricultural Science, Wanju, Jeollabuk-do 55365, Republic of Korea
| | - Balaji Seshadri
- Global Centre for Environmental Remediation, ATC Building, Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Girish Choppala
- Southern Cross GeoScience, Southern Cross University, Lismore, New South Wales 2480, Australia
| | - Ravi Naidu
- Global Centre for Environmental Remediation, ATC Building, Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Nanthi S Bolan
- Global Centre for Environmental Remediation, ATC Building, Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia.
| | - Yong Sik Ok
- O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
| | - Ming Zhang
- Department of Environmental Engineering, China Jiliang University, Hangzhou, China
| | - Chun-Guang Li
- National Institute of Complementary Medicine, Western Sydney University, Penrith, NSW 2751, Australia
| | - Feng Li
- National Institute of Complementary Medicine, Western Sydney University, Penrith, NSW 2751, Australia
| | - Barry Noller
- Sustainable Minerals Institute, University of Queensland, Brisbane, Australia
| | - Mary Beth Kirkham
- Department of Agronomy, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS, USA
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Bolan S, Kunhikrishnan A, Chowdhury S, Seshadri B, Naidu R, Ok YS. Comparative analysis of speciation and bioaccessibility of arsenic in rice grains and complementary medicines. CHEMOSPHERE 2017; 182:433-440. [PMID: 28528310 DOI: 10.1016/j.chemosphere.2017.04.126] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/07/2017] [Accepted: 04/24/2017] [Indexed: 06/07/2023]
Abstract
In many countries, rice grains and complementary medicines are important sources of arsenic (As) consumption. The objective of this study was to compare the speciation and bioaccessibility of As in selected rice grains and complementary medicines. A number of rice grain samples, and a range of herbal and ayurvedic medicines were analyzed for total As, speciation of As using sequential fractionation and extended x-ray absorption fine structure (EXAFS) techniques, and bioaccessibility of As using an in vitro extraction test. The daily intake of As through the uptake of these As sources was compared with the safety guidelines for As. The results demonstrated higher levels of As in ayurvedic medicines compared to herbal medicines and rice grains. The sequential fractionation showed the dominance of organic-bound As species in rice grains and herbal medicines, however, inorganic-bound As species dominated the ayurvedic medicines. This implies that As is derived from plant uptake in herbal medicines and rice grains, and from inorganic mineral input in ayurvedic medicines. Arsenic bioaccessibility was higher in ayurvedic than herbal medicines and rice grains, suggesting that inorganic As added as a mineral therapeutic input is more bioaccessible than organic As species derived from plant uptake. This study also showed a positive relationship between soluble As fractions and bioaccessibility indicating that solubility is an important factor controlling bioaccessibility. The daily intake values for As as estimated by total As content are likely to exceed the safe threshold level in rice grains that are enriched with As.
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Affiliation(s)
- S Bolan
- Global Centre for Environmental Remediation, University of Newcastle, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), University of Newcastle, NSW 2308, Australia
| | - A Kunhikrishnan
- Department of Agro-Food Safety, National Institute of Agricultural Science, Wanju, Jeollabuk-do 55365, Republic of Korea
| | - S Chowdhury
- Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - B Seshadri
- Global Centre for Environmental Remediation, University of Newcastle, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), University of Newcastle, NSW 2308, Australia.
| | - R Naidu
- Global Centre for Environmental Remediation, University of Newcastle, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), University of Newcastle, NSW 2308, Australia
| | - Y S Ok
- O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea.
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27
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Davis MA, Signes-Pastor AJ, Argos M, Slaughter F, Pendergrast C, Punshon T, Gossai A, Ahsan H, Karagas MR. Assessment of human dietary exposure to arsenic through rice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 586:1237-1244. [PMID: 28233618 PMCID: PMC5502079 DOI: 10.1016/j.scitotenv.2017.02.119] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 02/14/2017] [Accepted: 02/14/2017] [Indexed: 05/19/2023]
Abstract
Rice accumulates 10-fold higher inorganic arsenic (i-As), an established human carcinogen, than other grains. This review summarizes epidemiologic studies that examined the association between rice consumption and biomarkers of arsenic exposure. After reviewing the literature we identified 20 studies, among them included 18 observational and 2 human experimental studies that reported on associations between rice consumption and an arsenic biomarker. Among individuals not exposed to contaminated water, rice is a source of i-As exposure - rice consumption has been consistently related to arsenic biomarkers, and the relationship has been clearly demonstrated in experimental studies. Early-life i-As exposure is of particular concern due to its association with lifelong adverse health outcomes. Maternal rice consumption during pregnancy also has been associated with infant toenail total arsenic concentrations indicating that dietary exposure during pregnancy results in fetal exposure. Thus, the collective evidence indicates that rice is an independent source of arsenic exposure in populations around the world and highlights the importance of investigating its affect on health.
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Affiliation(s)
- Matthew A Davis
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States; University of Michigan School of Nursing, Ann Arbor, MI, United States; University of Michigan Institute for Social Research, Ann Arbor, MI, United States
| | - Antonio J Signes-Pastor
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Maria Argos
- University of Illinois at Chicago School of Public Health, Chicago, IL, United States
| | - Francis Slaughter
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Claire Pendergrast
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Tracy Punshon
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Anala Gossai
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | | | - Margaret R Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States.
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28
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Cubadda F, Jackson BP, Cottingham KL, Van Horne YO, Kurzius-Spencer M. Human exposure to dietary inorganic arsenic and other arsenic species: State of knowledge, gaps and uncertainties. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 579:1228-1239. [PMID: 27914647 PMCID: PMC5207036 DOI: 10.1016/j.scitotenv.2016.11.108] [Citation(s) in RCA: 157] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 11/07/2016] [Accepted: 11/17/2016] [Indexed: 04/15/2023]
Abstract
Inorganic arsenic (iAs) is ubiquitous in the environment as arsenite (AsIII) and arsenate (AsV) compounds and biotransformation of these toxic chemicals leads to the extraordinary variety of organoarsenic species found in nature. Despite classification as a human carcinogen based on data from populations exposed through contaminated drinking water, only recently has a need for regulatory limits on iAs in food been recognized. The delay was due to the difficulty in risk assessment of dietary iAs, which critically relies on speciation analysis providing occurrence data for iAs in food - and not simply for total arsenic. In the present review the state of knowledge regarding arsenic speciation in food and diet is evaluated with focus on iAs and human exposure assessment through different dietary approaches including duplicate diet studies, market basket surveys, and total diet studies. The analytical requirements for obtaining reliable data for iAs in food are discussed and iAs levels in foods and beverages are summarized, along with information on other (potentially) toxic co-occurring organoarsenic compounds. Quantitative exposure assessment of iAs in food is addressed, focusing on the need of capturing variability and extent of exposure and identifying what dietary items drive very high exposure for certain population groups. Finally, gaps and uncertainties are discussed, including effect of processing and cooking, and iAs bioavailability.
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Affiliation(s)
- Francesco Cubadda
- Department of Food Safety and Veterinary Public Health, Istituto Superiore di Sanità-Italian National Institute of Health, Rome, Italy.
| | - Brian P Jackson
- Department of Earth Sciences, Dartmouth College, Hanover, NH, USA
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29
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Zhuang P, Li Y, Zou B, Su F, Zhang C, Mo H, Li Z. Oral bioaccessibility and human exposure assessment of cadmium and lead in market vegetables in the Pearl River Delta, South China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:24402-24410. [PMID: 27744592 DOI: 10.1007/s11356-016-7801-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 09/28/2016] [Indexed: 06/06/2023]
Abstract
A systematic investigation into cadmium (Cd) and lead (Pb) concentrations and their oral bioaccessibility in market vegetables in the Pearl River Delta region were carried out to assess their potential health risks to local residents. The average concentrations of Cd and Pb in six species of fresh vegetables varied within 0.09-37.7 and 2.3-43.4 μg kg-1, respectively. Cadmium and Pb bioaccessibility were 35-66 % and 20-51 % in the raw vegetables, respectively, and found to be significantly higher than the cooked vegetables with 34-64 % for Cd and 11-48 % for Pb. The results indicated that Cd bioaccessibility was higher in the gastric phase and Pb bioaccessibility was higher in the small intestinal phase (except for fruit vegetables). Cooking slightly reduced the total concentrations and bioaccessibility of Cd and Pb in all vegetables. The bioaccessible estimated daily intakes of Cd and Pb from vegetables were far below the tolerable limits.
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Affiliation(s)
- Ping Zhuang
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China
| | - Yingwen Li
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China
| | - Bi Zou
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China
| | - Feng Su
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China
| | - Chaosheng Zhang
- GIS Centre, Ryan Institute and School of Geography and Archaeology, National University of Ireland, Galway, Ireland
| | - Hui Mo
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China
| | - Zhian Li
- South China Botanical Garden, Chinese Academy of Sciences, #723 Xingke Road, Tianhe District, Guangzhou, 510650, China.
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30
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Islam S, Rahman MM, Islam MR, Naidu R. Arsenic accumulation in rice: Consequences of rice genotypes and management practices to reduce human health risk. ENVIRONMENT INTERNATIONAL 2016; 96:139-155. [PMID: 27649473 DOI: 10.1016/j.envint.2016.09.006] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/16/2016] [Accepted: 09/07/2016] [Indexed: 05/11/2023]
Abstract
Rice is an essential staple food and feeds over half of the world's population. Consumption of rice has increased from limited intake in Western countries some 50years ago to major dietary intake now. Rice consumption represents a major route for inorganic arsenic (As) exposure in many countries, especially for people with a large proportion of rice in their daily diet as much as 60%. Rice plants are more efficient in assimilating As into its grains than other cereal crops and the accumulation may also adversely affect the quality of rice and their nutrition. Rice is generally grown as a lowland crop in flooded soils under reducing conditions. Under these conditions the bioavailability of As is greatly enhanced leading to excessive As bioaccumulation compared to that under oxidizing upland conditions. Inorganic As species are carcinogenic to humans and even at low levels in the diet pose a considerable risk to humans. There is a substantial genetic variation among the rice genotypes in grain-As accumulation as well as speciation. Identifying the extent of genetic variation in grain-As concentration and speciation of As compounds are crucial to determining the rice varieties which accumulate low inorganic As. Varietal selection, irrigation water management, use of fertilizer and soil amendments, cooking practices etc. play a vital role in reducing As exposure from rice grains. In the meantime assessing the bioavailability of As from rice is crucial to understanding human health exposure and reducing the risk.
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Affiliation(s)
- Shofiqul Islam
- Global Centre for Environmental Remediation (GCER), Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Soil Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mohammad Mahmudur Rahman
- Global Centre for Environmental Remediation (GCER), Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia
| | - M R Islam
- Department of Soil Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia.
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31
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Dietary exposure of the Italian population to inorganic arsenic: The 2012-2014 Total Diet Study. Food Chem Toxicol 2016; 98:148-158. [PMID: 27756704 DOI: 10.1016/j.fct.2016.10.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 10/13/2016] [Accepted: 10/14/2016] [Indexed: 02/02/2023]
Abstract
Dietary exposure of the Italian population to inorganic arsenic has been assessed in the national Total Diet Study (TDS) carried out in 2012-2014. Within the TDS, food samples (>3000) were collected to be representative of the whole diet of the population, prepared as consumed, and pooled into 51 food groups, thus modelling the Italian diet. Inorganic arsenic was determined by HPLC-ICP-MS after chemical extraction and quantified in all samples. Occurrence data were combined with national individual consumption data to estimate mean and high level dietary exposure of the general population and of population subgroups according to age and gender, both at the national level and for each of the four main geographical areas of Italy. The intakes assessed are in the lower range of iAs exposure estimates in other European countries carried out without the support of the TDS approach. However, taking the lower limit of the BMDL01 range established by the EFSA as reference point, the margins of exposure are <2 for the mean intake in infants and toddlers and <1 for the 95th percentile intakes in all younger age groups. Our results indicate the goal to check and further reduce the dietary exposure to inorganic arsenic.
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32
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Zhuang P, Zhang C, Li Y, Zou B, Mo H, Wu K, Wu J, Li Z. Assessment of influences of cooking on cadmium and arsenic bioaccessibility in rice, using an in vitro physiologically-based extraction test. Food Chem 2016; 213:206-214. [PMID: 27451173 DOI: 10.1016/j.foodchem.2016.06.066] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 05/26/2016] [Accepted: 06/21/2016] [Indexed: 11/17/2022]
Abstract
The health risks associated with rice consumption may decrease if consumers use cooking practices which can reduce the bioaccessibility of metal(loid)s. The effects of cooking on the Cd and As bioaccessibility, at three contamination levels of rice, were studied. Results indicated that cooking reduced bioaccessibility of Cd and As in rice. Cooking resulted in a significant increase (p<0.01) of Cd and As concentrations in the residual fraction. Low volume water-cooking of rice to dryness reduced total Cd by about 10% for rices A and B, while medium or high volume water-cooking had no effect on Cd bioaccessibility in all rice types. In contrast, low volume cooking did not remove As, but a significant decrease (p<0.05) was observed when cooking with higher volumes of water. This study provides information for a better understanding of more realistic estimation of metal(loid)s exposure from rice and the possible health risks.
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Affiliation(s)
- Ping Zhuang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, PR China; South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Chaosheng Zhang
- GIS Centre, Ryan Institute and School of Geography and Archaeology, National University of Ireland, Galway, Ireland.
| | - Yingwen Li
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Bi Zou
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Hui Mo
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Kejun Wu
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Jingtao Wu
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
| | - Zhian Li
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, PR China.
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33
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Joseph T, Dubey B, McBean EA. Human health risk assessment from arsenic exposures in Bangladesh. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 527-528:552-60. [PMID: 26006052 DOI: 10.1016/j.scitotenv.2015.05.053] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 05/14/2015] [Accepted: 05/14/2015] [Indexed: 04/14/2023]
Abstract
High arsenic exposures, prevalent through dietary and non-dietary sources in Bangladesh, present a major health risk to the public. A quantitative human health risk assessment is described as a result of arsenic exposure through food and water intake, tea intake, accidental soil ingestion, and chewing of betel quid, while people meet their desirable dietary intake requirements throughout their lifetime. In evaluating the contribution of each intake pathway to average daily arsenic intake, the results show that food and water intake combined, makes up approximately 98% of the daily arsenic intake with the balance contributed to by intake pathways such as tea consumption, soil ingestion, and quid consumption. Under an exposure scenario where arsenic concentration in water is at the WHO guideline (0.01 mg/L), food intake is the major arsenic intake pathway ranging from 67% to 80% of the average daily arsenic intake. However, the contribution from food drops to a range of 29% to 45% for an exposure scenario where arsenic in water is at the Bangladesh standard (0.05 mg/L). The lifetime excess risk of cancer occurrence from chronic arsenic exposure, considering a population of 160 million people, based on an exposure scenario with 85 million people at the WHO guideline value and 75 million people at the Bangladesh standard, and assuming that 35 million people are associated with a heavy activity level, is estimated as 1.15 million cases.
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Affiliation(s)
- Tijo Joseph
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada
| | - Brajesh Dubey
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada; Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.
| | - Edward A McBean
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada
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Joseph T, Dubey B, McBean EA. A critical review of arsenic exposures for Bangladeshi adults. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 527-528:540-551. [PMID: 26004539 DOI: 10.1016/j.scitotenv.2015.05.035] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 05/09/2015] [Accepted: 05/09/2015] [Indexed: 06/04/2023]
Abstract
Groundwater, the most important source of water for drinking, cooking, and irrigation in Bangladesh, is a significant contributor to the daily human intake of arsenic. Other arsenic intake pathways, established as relevant for Bangladeshi adults through this review, include consumption of contaminated edible plant parts and animal-origin food, inhalation of contaminated air, soil ingestion, betel quid chewing, and tobacco smoking. This review qualifies and quantifies these arsenic intake pathways through analysis of the range of arsenic levels observed in different food types, water, soil, and air in Bangladesh, and highlights the contributions of dietary intake variation and cooking method in influencing arsenic exposures. This study also highlights the potential of desirable dietary patterns and intakes in increasing arsenic exposure which is relevant to Bangladesh where nutritional deficiencies and lower-than-desirable dietary intakes continue to be a major concern.
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Affiliation(s)
- Tijo Joseph
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada
| | - Brajesh Dubey
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada; Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.
| | - Edward A McBean
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G2W1, Canada
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Pelfrêne A, Waterlot C, Guerin A, Proix N, Richard A, Douay F. Use of an in vitro digestion method to estimate human bioaccessibility of Cd in vegetables grown in smelter-impacted soils: the influence of cooking. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2015; 37:767-778. [PMID: 25663365 DOI: 10.1007/s10653-015-9684-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
Metal contamination of urban soils and homegrown vegetables has caused major concern. Some studies showed that cadmium (Cd) was among the most significant hazards in kitchen garden soils and prolonged exposure to this metal could cause deleterious health effects in humans. In general, most risk assessment procedures are based on total concentrations of metals in vegetables. The present study assesses human bioaccessibility of Cd in vegetables cultivated in smelter-impacted kitchen garden soils. Seven vegetables (radish, lettuce, French bean, carrot, leek, tomato, and potato) were considered. Using the UBM protocol (unified BARGE bioaccessibility method), the bioaccessibility of Cd was measured in raw/cooked vegetables. A considerable amount of Cd was mobilized from raw vegetables during the digestion process (on average 85% in the gastric phase and 69% in the gastrointestinal phase), which could be attributed to a high uptake of Cd during the growth of the vegetables. Most Cd is accumulated in the vacuoles of plant cells, except what is absorbed by the cell wall, allowing Cd to be released from plant tissues under moderate conditions. Cooking by the steaming process generally increased the bioaccessibility of Cd in French bean, carrot, and leek. For potato, few or no significant differences of Cd bioaccessibility were observed after the steaming process, while the frying process strongly decreased bioaccessibility in both phases. The estimation of metal bioaccessibility in vegetables is helpful for human health risk assessment.
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Affiliation(s)
- Aurélie Pelfrêne
- ISA Lille, Laboratoire Génie Civil et géo-Environnement (LGCgE), 48 boulevard Vauban, 59046, Lille Cedex, France,
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Cano-Lamadrid M, Munera-Picazo S, Burló F, Hojjati M, Carbonell-Barrachina ÁA. Total and Inorganic Arsenic in Iranian Rice. J Food Sci 2015; 80:T1129-35. [DOI: 10.1111/1750-3841.12849] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 02/15/2015] [Indexed: 01/14/2023]
Affiliation(s)
- Marina Cano-Lamadrid
- Dept. of Agro-Food Technology, Food Quality and Safety Group (CSA); Univ. Miguel Hernández de Elche; Carretera de Beniel, km 3.2 03312 Orihuela Alicante Spain
| | - Sandra Munera-Picazo
- Dept. of Agro-Food Technology, Food Quality and Safety Group (CSA); Univ. Miguel Hernández de Elche; Carretera de Beniel, km 3.2 03312 Orihuela Alicante Spain
| | - Francisco Burló
- Dept. of Agro-Food Technology, Food Quality and Safety Group (CSA); Univ. Miguel Hernández de Elche; Carretera de Beniel, km 3.2 03312 Orihuela Alicante Spain
| | - Mohammad Hojjati
- Dept. of Food Science and Technology; Ramin Agriculture and Natural Resources Univ; Mollasani Ahwaz Iran
| | - Ángel A. Carbonell-Barrachina
- Dept. of Agro-Food Technology, Food Quality and Safety Group (CSA); Univ. Miguel Hernández de Elche; Carretera de Beniel, km 3.2 03312 Orihuela Alicante Spain
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Welna M, Szymczycha-Madeja A, Pohl P. Comparison of strategies for sample preparation prior to spectrometric measurements for determination and speciation of arsenic in rice. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2014.11.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Signes-Pastor AJ, Carey M, Meharg AA. Inorganic arsenic in rice-based products for infants and young children. Food Chem 2014; 191:128-34. [PMID: 26258711 DOI: 10.1016/j.foodchem.2014.11.078] [Citation(s) in RCA: 105] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/05/2014] [Accepted: 11/13/2014] [Indexed: 12/19/2022]
Abstract
Inorganic arsenic (Asi) is a chronic, non-threshold carcinogen. Rice and rice-based products can be the major source of Asi for many subpopulations. Baby rice, rice cereals and rice crackers are widely used to feed infants and young children. The Asi concentration in rice-based products may pose a health risk for infants and young children. Asi concentration was determined in rice-based products produced in the European Union and risk assessment associated with the consumption of these products by infants and young children, and compared to an identical US FDA survey. There are currently no European Union or United States of America regulations applicable to Asi in food. However, this study suggests that the samples evaluated may introduce significant concentration of Asi into infants' and young children's diets. Thus, there is an urgent need for regulatory limits on Asi in food, especially for baby rice-based products.
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Affiliation(s)
- Antonio J Signes-Pastor
- Institute for Global Food Security, Queen's University Belfast, David Keir Building, Malone Road, Belfast BT9 5BN, Northern Ireland, United Kingdom.
| | - Manus Carey
- Institute for Global Food Security, Queen's University Belfast, David Keir Building, Malone Road, Belfast BT9 5BN, Northern Ireland, United Kingdom
| | - Andrew A Meharg
- Institute for Global Food Security, Queen's University Belfast, David Keir Building, Malone Road, Belfast BT9 5BN, Northern Ireland, United Kingdom
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Brandon EFA, Janssen PJCM, de Wit-Bos L. Arsenic: bioaccessibility from seaweed and rice, dietary exposure calculations and risk assessment. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2014; 31:1993-2003. [PMID: 25393691 DOI: 10.1080/19440049.2014.974687] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Arsenic is a metalloid that occurs in food and the environment in different chemical forms. Inorganic arsenic is classified as a class I carcinogen. The inorganic arsenic intake from food and drinking water varies depending on the geographic arsenic background. Non-dietary exposure to arsenic is likely to be of minor importance for the general population within the European Union. In Europe, arsenic in drinking water is on average low, but food products (e.g. rice and seaweed) are imported from all over the world including from regions with naturally high arsenic levels. Therefore, specific populations living in Europe could also have a high exposure to inorganic arsenic due to their consumption pattern. Current risk assessment is based on exposure via drinking water. For a good estimation of the risks of arsenic in food, it is important to investigate if the bioavailability of inorganic arsenic from food is different from drinking water. The present study further explores the issue of European dietary exposure to inorganic arsenic via rice and seaweed and its associated health risks. The bioavailability of inorganic arsenic was measured in in vitro digestion experiments. The data indicate that the bioavailability of inorganic arsenic is similar for rice and seaweed compared with drinking water. The calculated dietary intake for specific European Union populations varied between 0.44 and 4.51 µg kg⁻¹ bw day⁻¹. The margins of exposure between the inorganic intake levels and the BMDL0.5 values as derived by JECFA are low. Decreasing the intake of inorganic arsenic via Hijiki seaweed could be achieved by setting legal limits similar to those set for rice by the Codex Alimentarius Commission in July 2014.
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Affiliation(s)
- Esther F A Brandon
- a National Institute for Public Health and the Environment , Bilthoven , the Netherlands
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Munera-Picazo S, Burló F, Carbonell-Barrachina ÁA. Arsenic speciation in rice-based food for adults with celiac disease. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2014; 31:1358-66. [DOI: 10.1080/19440049.2014.933491] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Munera-Picazo S, Ramírez-Gandolfo A, Burló F, Carbonell-Barrachina ÁA. Inorganic and Total Arsenic Contents in Rice-Based Foods for Children with Celiac Disease. J Food Sci 2013; 79:T122-8. [DOI: 10.1111/1750-3841.12310] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Accepted: 10/19/2013] [Indexed: 12/01/2022]
Affiliation(s)
- Sandra Munera-Picazo
- Miguel Hernández Univ; Dept. of Agro-Food Technology; Food Quality and Safety Group (CSA); Carretera de Beniel, km 3,2, 03312-Orihuela Alicante Spain
| | - Amanda Ramírez-Gandolfo
- Miguel Hernández Univ; Dept. of Agro-Food Technology; Food Quality and Safety Group (CSA); Carretera de Beniel, km 3,2, 03312-Orihuela Alicante Spain
| | - Francisco Burló
- Miguel Hernández Univ; Dept. of Agro-Food Technology; Food Quality and Safety Group (CSA); Carretera de Beniel, km 3,2, 03312-Orihuela Alicante Spain
| | - Ángel Antonio Carbonell-Barrachina
- Miguel Hernández Univ; Dept. of Agro-Food Technology; Food Quality and Safety Group (CSA); Carretera de Beniel, km 3,2, 03312-Orihuela Alicante Spain
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Calderon RL, Hudgens EE, Carty C, He B, Le XC, Rogers J, Thomas DJ. Biological and behavioral factors modify biomarkers of arsenic exposure in a U.S. population. ENVIRONMENTAL RESEARCH 2013; 126:134-44. [PMID: 23777639 DOI: 10.1016/j.envres.2013.04.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Revised: 04/01/2013] [Accepted: 04/19/2013] [Indexed: 05/21/2023]
Abstract
Although consumption of drinking water contaminated with inorganic arsenic is usually considered the primary exposure route, aggregate exposure to arsenic depends on direct consumption of water, use of water in food preparation, and the presence in arsenicals in foods. To gain insight into the effects of biological and behavioral factors on arsenic exposure, we determined arsenic concentrations in urine and toenails in a U.S. population that uses public or private water supplies containing inorganic arsenic. Study participants were 904 adult residents of Churchill County, Nevada, whose home tap water supplies contained <3 to about 1200 µg of arsenic per liter. Biomarkers of exposure for this study were summed urinary concentrations of inorganic arsenic and its methylated metabolites (speciated arsenical), of all urinary arsenicals (total arsenical), and of all toenail arsenicals (total arsenical). Increased tap water arsenic concentration and consumption were associated with significant upward trends for urinary speciated and total and toenail total arsenical concentrations. Significant gender differences in concentrations of speciated and total arsenicals in urine and toenails reflected male-female difference in water intake. Both recent and higher habitual seafood consumption significantly increased urinary total but not speciated arsenical concentration. In a stepwise general linear model, seafood consumption significantly predicted urinary total arsenical but not urinary speciated or toenail total arsenical concentrations. Smoking behavior significantly predicted urinary speciated or total arsenical concentration. Gender, tap water arsenic concentration, and primary drinking water source significantly predicted urinary speciated and total concentrations and toenail total arsenical concentrations. These findings confirm the primacy of home tap water as a determinant of arsenic concentration in urine and toenails. However, biological and behavioral factors can modify exposure-response relations for these biomarkers. Refining estimates of the influence of these factors will permit better models of dose-response relations for this important environmental contaminant.
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Affiliation(s)
- Rebecca L Calderon
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27709, USA
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