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Knez M, Stangoulis JCR. Dietary Zn deficiency, the current situation and potential solutions. Nutr Res Rev 2023; 36:199-215. [PMID: 37062532 DOI: 10.1017/s0954422421000342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Zinc (Zn) deficiency is a worldwide problem, and this review presents an overview of the magnitude of Zn deficiency with a particular emphasis on present global challenges, current recommendations for Zn intake, and factors that affect dietary requirements. The challenges of monitoring Zn status are clarified together with the discussion of relevant Zn bioaccessibility and bioavailability issues. Modern lifestyle factors that may exacerbate Zn deficiency and new strategies of reducing its effects are presented. Biofortification, as a potentially useful strategy for improving Zn status in sensitive populations, is discussed. The review proposes potential actions that could deliver promising results both in terms of monitoring dietary and physiological Zn status as well as in alleviating dietary Zn deficiency in affected populations.
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Affiliation(s)
- Marija Knez
- College of Science and Engineering, Flinders University, GPO Box 2100, AdelaideSA5001, Australia
- Center of Research Excellence in Nutrition and Metabolism, University of Belgrade, Institute for Medical Research, National Institute of the Republic of Serbia, 11000Belgrade, Serbia
| | - James C R Stangoulis
- College of Science and Engineering, Flinders University, GPO Box 2100, AdelaideSA5001, Australia
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Mi K, Yuan X, Wang Q, Dun C, Wang R, Yang S, Yang Y, Zhang H, Zhang H. Zinc oxide nanoparticles enhanced rice yield, quality, and zinc content of edible grain fraction synergistically. FRONTIERS IN PLANT SCIENCE 2023; 14:1196201. [PMID: 37662145 PMCID: PMC10471986 DOI: 10.3389/fpls.2023.1196201] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023]
Abstract
Zinc oxide nanoparticles (ZnO NPs) have been widely used in agriculture as a new type of Zn fertilizer, and many studies were conducted to evaluate the effect of ZnO NPs on plant growth. However, there are relatively few studies on the effects of application methods and appropriate dosages of ZnO NPs on rice yield, quality, grain Zn content, and distribution. Therefore, in the 2019 and 2020, field trials were conducted with six ZnO NPs basal application dosages of no ZnO NPs, 3.75 kg hm-2, 7.5 kg hm-2, 15 kg hm-2, 30 kg hm-2, and 60 kg hm-2, and the effects of ZnO NPs application on rice yield, quality, grain Zn content, and distribution were investigated. The results demonstrated that applying ZnO NPs in Zn-deficient soils (available Zn < 1.0 mg kg-1) increased rice grain yield by 3.24%-4.86% and 3.51%-5.12% in 2019 and 2020, respectively. In addition, ZnO NPs improved the quality of rice by increasing the head milling rate, reducing chalky grain percentage, and increasing the taste value and breakdown of rice. In terms of Zn accumulation in rice, ZnO NPs application significantly increased the Zn content in both milled rice and brown rice, compared with no Zn treatment, in 2019 and 2020, Zn content in milled rice significantly increased by 20.46%-41.09% and 18.11%-38.84%, respectively, and in brown rice significantly increased by 25.78%-48.30% and 20.86%-42.00%, respectively. However, the Zn fertilizer utilization gradually decreased with increasing ZnO NPs application dosage. From the perspective of yield, rice quality, Zn fertilizer utilization, and Zn accumulation, basal application of 7.5 kg-30 kg hm-2 ZnO NPs is beneficial for rice yield and quality improvement and rice Zn accumulation. This study effectively demonstrated that ZnO NPs could be a potential high-performed fertilizer for enhancing rice yield, quality, and zinc content of edible grain fraction synergistically.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Haipeng Zhang
- Jiangsu Key Laboratory of Crop Cultivation and Physiology/Co-Innovation Center for Modern Production Technology of Grain Crops/Innovation Center of Rice Cultivation Technology in Yangtze Valley, Research Institute of Rice Industrial Engineering Technology, Yangzhou University, Yangzhou, China
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Shafiq F, Ahmad A, Anwar S, Nisa MU, Iqbal M, Raza SH, Mahmood A, Ashraf M. Spinel nanocomposite (nMnZnFe 2O 4) synchronously promotes grain yield and Fe-Zn biofortification in non-aromatic rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107830. [PMID: 37352697 DOI: 10.1016/j.plaphy.2023.107830] [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: 02/27/2023] [Revised: 05/15/2023] [Accepted: 06/08/2023] [Indexed: 06/25/2023]
Abstract
Soils deficient in essential micro-nutrients produce nutritionally starved crops that do not fulfill human nutritional requirements. This is getting serious since progressively increasing nutritional disorders are being diagnosed in residents of third-world countries like Pakistan. During this study, we synthesized a spinel nanocomposite (nMnZnFe2O4) and investigated its effectiveness in improving the micronutrient status and yield traits of rice. The nMnZnFe2O4 exhibited a cubic structure at the most prominent peak (311); a crystallite size of 44 nm, and an average grain size ranging from 7 to 9 μm. Foliar application of this nanocomposite was performed to 45 days old plants at concentrations 0, 10, 20, 30, 40, and 50 mg L-1, and data from rice plant parts (straw, husk, and grain) was recorded at maturity. Agronomic traits like the number of tillers, straw dry weight, root dry biomass, and grain yield per plant were improved by nMnZnFe2O4 application (+34.4% yield). Whereas some biochemical traits like amino acids, soluble sugars, flavonoids, and phenolics varied significantly in rice plant parts compared to the control. Above all, the maximum Zn and Fe concentrations in rice grain were recorded through foliar application of spinel nanocomposite (40 and 50 mg L-1). Therefore, results indicated that micronutrient supply in the form of a nanocomposite could positively regulate nutritional quality and rice grain yield.
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Affiliation(s)
- Fahad Shafiq
- Department of Botany, Government College University Lahore, Pakistan.
| | - Aqsa Ahmad
- Institute of Molecular Biology and Biotechnology, The University of Lahore, 54590, Lahore, Pakistan
| | - Sumera Anwar
- Department of Botany, Government College Women University Faisalabad, 38000, Faisalabad, Pakistan; Department of Biosciences, University of Durham, DH1 3LE, United Kingdom
| | - Mehr-Un Nisa
- Institute of Molecular Biology and Biotechnology, The University of Lahore, 54590, Lahore, Pakistan
| | - Muhammad Iqbal
- Department of Botany, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Syed Hammad Raza
- Department of Botany, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Arslan Mahmood
- Department of Physics, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Muhammad Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, 54590, Lahore, Pakistan
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Ali M, Sharif M, Ahmad W, Ahmed I. Assessing Potent Zinc Solubilizing Bacteria to Augment Wheat Yield and Zinc Biofortification. GESUNDE PFLANZEN 2023; 75:1061-1073. [DOI: 10.1007/s10343-022-00757-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/26/2022] [Indexed: 02/07/2024]
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Ali M, Ahmed I, Tariq H, Abbas S, Zia MH, Mumtaz A, Sharif M. Growth improvement of wheat ( Triticum aestivum) and zinc biofortification using potent zinc-solubilizing bacteria. FRONTIERS IN PLANT SCIENCE 2023; 14:1140454. [PMID: 37251763 PMCID: PMC10213544 DOI: 10.3389/fpls.2023.1140454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/11/2023] [Indexed: 05/31/2023]
Abstract
Zinc (Zn) is an indispensable element for proper plant growth. A sizeable proportion of the inorganic Zn that is added to soil undergoes a transformation into an insoluble form. Zinc-solubilizing bacteria (ZSB) have the potential to transform the insoluble Zn into plant-accessible forms and are thus promising alternatives for Zn supplementation. The current research was aimed at investigating the Zn solubilization potential of indigenous bacterial strains and to evaluate their impact on wheat growth and Zn biofortification. A number of experiments were conducted at the National Agriculture Research Center (NARC), Islamabad, during 2020-21. A total of 69 strains were assessed for their Zn-solubilizing ability against two insoluble Zn sources (ZnO and ZnCO3) using plate assay techniques. During the qualitative assay, the solubilization index and solubilization efficiency were measured. The qualitatively selected Zn-solubilizing bacterial strains were further tested quantitatively using broth culture for Zn and phosphorus (P) solubility. Tricalcium phosphate was used as insoluble source of P. The results showed that broth culture pH was negatively correlated with Zn solubilization, i.e., ZnO (r2 = 0.88) and ZnCO3 (r2 = 0.96). Ten novel promising strains, i.e., Pantoea sp. NCCP-525, Klebsiella sp. NCCP-607, Brevibacterium sp. NCCP-622, Klebsiella sp. NCCP-623, Acinetobacter sp. NCCP-644, Alcaligenes sp. NCCP-650, Citrobacter sp. NCCP-668, Exiguobacterium sp. NCCP-673, Raoultella sp. NCCP-675, and Acinetobacter sp. NCCP-680, were selected from the ecology of Pakistan for further experimentation on wheat crop based on plant growth-promoting rhizobacteria (PGPR) traits, i.e., solubilization of Zn and P in addition to being positive for nifH and acdS genes. Before evaluating the bacterial strains for plant growth potential, a control experiment was also conducted to determine the highest critical Zn level from ZnO to wheat growth using different Zn levels (0.1, 0.05, 0.01, 0.005, and 0.001% Zn) against two wheat varieties (Wadaan-17 and Zincol-16) in sand culture under glasshouse conditions. Zinc-free Hoagland nutrients solution was used to irrigate the wheat plants. As a result, 50 mg kg-1 of Zn from ZnO was identified as the highest critical level for wheat growth. Using the critical level (50 mg kg-1 of Zn), the selected ZSB strains were inoculated alone and in consortium to the seed of wheat, with and without the use of ZnO, in sterilized sand culture. The ZSB inoculation in consortium without ZnO resulted in improved shoot length (14%), shoot fresh weight (34%), and shoot dry weight (37%); with ZnO root length (116%), it saw root fresh weight (435%), root dry weight (435%), and Zn content in the shoot (1177%) as compared to the control. Wadaan-17 performed better on growth attributes, while Zincol-16 had 5% more shoot Zn concentration. The present study concluded that the selected bacterial strains show the potential to act as ZSB and are highly efficient bio-inoculants to combat Zn deficiency, and the inoculation of these strains in consortium performed better in terms of growth and Zn solubility for wheat as compared to individual inoculation. The study further concluded that 50 mg kg-1 Zn from ZnO had no negative impact on wheat growth; however, higher concentrations hampered wheat growth.
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Affiliation(s)
- Murad Ali
- National Culture Collection of Pakistan (NCCP), Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan
- Department of Soil and Environmental Sciences, The University of Agriculture, Peshawar, Pakistan
- Cereal Crops Research Institute (CCRI), Pirsabak, Nowshera, Pakistan
| | - Iftikhar Ahmed
- National Culture Collection of Pakistan (NCCP), Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan
| | - Hamza Tariq
- National Culture Collection of Pakistan (NCCP), Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan
| | - Saira Abbas
- Department of Zoology, University of Science and Technology, Bannu, Pakistan
| | - Munir Hussain Zia
- Research and Development Department, Fauji Fertilizer Company (FFC) Limited, Rawalpindi, Pakistan
| | - Amer Mumtaz
- Food Sciences Research Institute (FSRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan
| | - Muhammad Sharif
- Department of Soil and Environmental Sciences, The University of Agriculture, Peshawar, Pakistan
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Pasha I, Basit A, Ahsin M, Ahmad F. Probing nutritional and functional properties of salted noodles supplemented with ripen Banana peel powder. FOOD PRODUCTION, PROCESSING AND NUTRITION 2022. [DOI: 10.1186/s43014-022-00100-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
AbstractBanana peel is appreciated for higher dietary fiber, phenolics, flavonoid contents, and minerals (particularly iron, calcium, and potassium), despite being a waste product. After drying, it can be processed into powder/flour to be combined with wheat flour (WF) for development of value-added products. In this study, we substituted WF with banana peel powder (BPP) at supplementation rates of 5, 10, and 15%, and evaluated their suitability to develop salted noodles. The results showed that the composite flour with 15% BPP had significantly higher protein, ash, and crude fiber content as compared to control. Higher antioxidant capacity was observed in composite flour noodles: total phenolics content (TPC), total flavonoid content (TFC), ferric reducing power (FRAP) and DPPH reducing power were increased up to 278, 260, 143 and 13 percent respectively in the noodles containing 15% BPP as compared to control (100% WF). On the other hand, values for viscosity decreased up to 22% with addition of BPP in WF. Furthermore, water absorption capacity and cooking losses were increased up to 15 and 13 percent respectively with 15% BPP incorporation in WF. Results for sensory evaluation demonstrated that noodles with 10% BPP scored highest for sensory profile.
Graphical abstract
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Jalal A, Oliveira CEDS, Fernandes HB, Galindo FS, da Silva EC, Fernandes GC, Nogueira TAR, de Carvalho PHG, Balbino VR, de Lima BH, Teixeira Filho MCM. Diazotrophic Bacteria Is an Alternative Strategy for Increasing Grain Biofortification, Yield and Zinc Use Efficiency of Maize. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11091125. [PMID: 35567126 PMCID: PMC9099601 DOI: 10.3390/plants11091125] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/15/2022] [Accepted: 04/18/2022] [Indexed: 02/05/2023]
Abstract
Biofortification of cereal crops with zinc and diazotrophic bacteria is a sustainable solution to nutrient deficiency and hidden hunger. The inoculation of staple grain crops such as maize is increased with reducing productivity losses while improving nutrition and use efficiency under climatic extremes and weathered soils of tropical savannah. Therefore, objectives of our study were to evaluate the influence of seed inoculation with diazotrophic bacteria (No inoculation-Control, Azospirillum brasilense, Bacillus subtilis, and Pseudomonas fluorescens) together with residual effect of soil Zn (absence and presence) on growth, yield, Zn nutrition, Zn use efficiencies, and intake of maize in 2019 and 2020 cropping seasons. The inoculation of B. subtilis increased hundred grain mass and yield (14.5 and 17%), while P. fluorescens under residual Zn fertilization has improved shoot and grain Zn concentration in shoot (29.5 and 30.5%). and grain (25.5 and 26.2%), while improving Zn accumulation in shoot (33.8 and 35%) and grain (37.2 and 42%) of maize. The estimated Zn intake in maize was also increased with A. brasilense inoculation and residual Zn application. The Zn use efficiencies including Zn use efficiency, agro-physiological, and utilization efficiency was increased with B. subtilis, while applied Zn recovery was increased with A. brasilense inoculations under residual Zn fertilization. Zinc use efficiency was increased by 93.3 and 397% with inoculation of B. subtilis regardless of Zn application. Therefore, inoculation with B. subtilis and P. fluorescens along residual Zn fertilization is considered the most effective and sustainable strategy for agronomic biofortification of maize under harsh tropical conditions of Brazil.
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Affiliation(s)
- Arshad Jalal
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Carlos Eduardo da Silva Oliveira
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Henrique Benetasse Fernandes
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Fernando Shintate Galindo
- Center for Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba 13416-000, SP, Brazil;
| | | | - Guilherme Carlos Fernandes
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Thiago Assis Rodrigues Nogueira
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Pedro Henrique Gomes de Carvalho
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Vinícius Rodrigues Balbino
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Bruno Horschut de Lima
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
| | - Marcelo Carvalho Minhoto Teixeira Filho
- Department of Plant Protection, São Paulo State University (UNESP), Rural Engineering and Soils (DEFERS), Ilha Solteira 15385-000, SP, Brazil; (A.J.); (C.E.d.S.O.); (H.B.F.); (G.C.F.); (T.A.R.N.); (P.H.G.d.C.); (V.R.B.); (B.H.d.L.)
- Correspondence:
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Liaquat M, Pasha I, Ahsin M, Salik A. Roasted fox nuts (Euryale Ferox L.) contain higher concentration of phenolics, flavonoids, minerals and antioxidants, and exhibit lower Glycemic Index (GI) in human subjects. FOOD PRODUCTION, PROCESSING AND NUTRITION 2022. [DOI: 10.1186/s43014-021-00081-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
AbstractFox nut (Euryale ferox) is categorized among superior quality foods because of its highly nutritious profile. It also serves as a good protein source for vegetarian diets. However, it is not widely consumed, due to soggy texture and bland flavor as compared to other nuts. In this study, we used roasting and seasoning to enhance its consumer acceptance. Furthermore, we have also compared biochemical, nutritional and physical properties of the roasted and unroasted fox nuts; and their Glycemic Index (GI) in human subjects. Results showed that roasting significantly (P ≤ 0.05) improved the minerals content (from 0.58 to 0.66%), protein content (from 11.40 to 14.57%), total phenolics (from 346.02 to 470.62 mg GAE/100 g), flavonoids (from 4.15 to 4.43 mg CE/g), 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity (from 48.54 to 79.13% inhibition) and Ferric Reducing Antioxidant Power (from 662.46 to 957.14 μmol FeSO4/g). Consumer acceptance was evaluated with and without seasoning; both salt and spice seasoned roasted nuts had greater overall acceptability as compared to plain roasted and unroasted nuts. Fox nuts also reported low GI (37%) in human subjects (ethical approval #1772/01-06-2020). Thus, roasted fox nuts can be consumed as nutrient rich and low GI snack; not only as a component of healthy diet but can also be served to patients with metabolic disorders like obesity and diabetes.
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Zinc-Coated Urea for Enhanced Zinc Biofortification, Nitrogen Use Efficiency and Yield of Basmati Rice under Typic Fluvents. SUSTAINABILITY 2021. [DOI: 10.3390/su14010104] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Deficiency of Zn in human diet is an emerging health issue in many developing countries across the globe. Agronomic Zn biofortification using diverse Zn fertilization options is being advised for enhancing Zn concentration in the edible portion of rice.A field study was carried out to find out the Zn fertilization effects on biofortification of basmati rice and nutrient use efficiencies in the Himalayan foothills region. Amongst the Zn nutrition treatments, 4.0% Zn-coated urea (ZnCU) + 0.2% Zn foliar spray (FS) using ZnSO4·7H2O recorded the highest grain (3.46 t/ha) and straw (7.93 t/ha) yield of basmati rice. On average, the rice productivity increase due to ZnCU application was ~25.4% over Commercial Urea. Likewise, the same Zn fertilization treatment also resulted in the maximum Zn (35.93 and 81.64 mg/kg) and N (1.19 and 0.45%) concentration in grain and straw of rice, respectively. Moreover, N use efficiency (NUE) was also highest when ZnCU was applied at 4.0% (ZnSO4·7H2O) in comparison to soil application. From the grain quality viewpoint, Zn ferti-fortification had significant effect on elongation ratio and protein concentration of grain only and respective Zn fertilization treatment recorded highest quality parameters 1.90 and 7.44%, respectively. Therefore, ZnCU would be an important low-cost and useful strategy for enhancing yield, NUE and biofortification, and also in minimizing the Zn malnutrition related challenges in human diet in many developing economies.
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Amir M, Asghar S, Ahsin M, Hussain S, Ismail A, Riaz M, Naz S. Arsenic exposure through drinking groundwater and consuming wastewater-irrigated vegetables in Multan, Pakistan. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:5025-5035. [PMID: 33891257 DOI: 10.1007/s10653-021-00940-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
Arsenic (As) is one of the most toxic metalloids for humans. Above permissible levels of As cause severe health implications. Contaminated drinking water and food items may be the leading sources of As exposure to people all around the world. The current study assessed the levels of As in drinking water, vegetables, irrigation water, agricultural soils, and the human population (adult women and men) of rural and peri-urban areas of Multan (Pakistan). For a comparison between peri-urban (exposed site) and rural areas (control site), we sampled irrigation water, vegetables and vegetable-grown soils, drinking water, and human blood. In all sample types, As concentration was significantly higher at exposed site than at control site. Alarmingly, As concentration in drinking groundwater (34 µg As L-1) of exposed site was 3.4-folds higher than the permissible limit (set by WHO). Among the studied vegetables, the cumulative daily dietary intake of As was recorded maximum by the consumption of okra (474 ng d-1 on exposed site) and minimum by long melon (1 ng d-1 on control site). However, As intake via drinking water was estimated to contribute ≥ 98% of total As intake at both sites. Hence, the health risks associated with drinking As-contaminated groundwater were recorded much higher than the health risks associated with the consumption of As-contaminated vegetables. Blood As levels in most of the subjects at exposed site exceeded the safe limit of 12 µg L-1. Conclusively, the findings of the current study indicated that drinking contaminated groundwater may be the major cause of As-associated health risks in the region.
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Affiliation(s)
- Mamoona Amir
- Institute of Food Science and Nutrition, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Salman Asghar
- Institute of Food Science and Nutrition, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Muhammad Ahsin
- Institute of Food Science and Nutrition, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
- National Institute of Food Science and Technology, Faculty of Food, Nutrition and Home Sciences, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Shahid Hussain
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan.
| | - Amir Ismail
- Institute of Food Science and Nutrition, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Muhammad Riaz
- Institute of Food Science and Nutrition, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Safina Naz
- Department of Horticulture, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
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Gomes MJC, Martino HSD, Tako E. Zinc-biofortified staple food crops to improve zinc status in humans: a systematic review. Crit Rev Food Sci Nutr 2021:1-13. [PMID: 34847784 DOI: 10.1080/10408398.2021.2010032] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Biofortified foods are a new approach to increase minerals in the diet, and evidence suggests that zinc (Zn) biofortification can improve Zn physiological status in humans. This systematic review aimed to answer the question: "What are the effects of the consumption of Zn biofortified foods on Zn status in humans?". This review was conducted according to PRISMA guidelines and registered in PROSPERO (CRD42021250566). PubMed, Cochrane, Scopus and Science Direct databases were searched for studies that evaluated the effects of Zn biofortified foods on Zn absorption. Of 4282 articles identified, nine remained after inclusion/exclusion criteria were applied. Limitations in study quality, external and internal validity (bias/confounding), and study power were evaluated. The Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) was used to assess the certainty of evidence. Of the nine articles included, five observed an increase in total Zn absorption, and one showed that Zn participated in the conversion of linoleic acid to dihomo-γ-linolenic acid. By increasing the amount of Zn in the food, Zn biofortification can reduce the phytate:Zn molar ratio and improve Zn absorption in humans. More studies are needed to clarify what portion of Zn biofortified foods/day is needed to achieve a significant effect on Zn status.
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Affiliation(s)
- Mariana Juste Contin Gomes
- Department of Nutrition and Health, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil.,Department of Food Science, Cornell University, Ithaca, NY, USA
| | | | - Elad Tako
- Department of Food Science, Cornell University, Ithaca, NY, USA
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Ishfaq M, Wakeel A, Shahzad MN, Kiran A, Li X. Severity of zinc and iron malnutrition linked to low intake through a staple crop: a case study in east-central Pakistan. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:4219-4233. [PMID: 33830390 DOI: 10.1007/s10653-021-00912-3] [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: 01/13/2021] [Accepted: 03/26/2021] [Indexed: 05/24/2023]
Abstract
Micronutrients deficiency in soil-plant and human is well-addressed; however, little is known about their spatial distribution, magnitude of deficiency and biological nexus. Zinc deficiency (ZnD) and iron-deficiency anemia (FeD) are two serious nutritional concerns which are negatively affecting human health. Herein, a survey-based case study was conducted in major wheat-based cropping system of east-central Pakistan. Soil and grain samples were collected from 125 field-grown wheat from 25 distinct sites/villages and GPS coordinates were taken for mapping. The collected samples were tags according to the names of 25 sites, i.e., UCs (union councils; an administrative unit). The quantified amount of zinc (Zn) or iron (Fe) in soil-wheat grains was compared with their recommended concentrations (RCZn, RCFe) for human nutrition. Additionally, clinical features of ZnD and FeD were diagnosed among local farmers who used to consume these grains, throughout the year, cultivated on their farm, and quantified their deficiency prevalence (ZnDP, FeDP). Results revealed, the collected 64% (0.54 to 5.25 mg kg-1) soils, and 96% (1.4 to 31 mg kg-1) grain samples are Zn-deficient (RCZn) along with ZnDP recorded among 68% of population. Meanwhile, FeD is quantified in 76% (1.86 to 15 mg kg-1) soil, 72% grain (2.1 to 134 mg kg-1) samples, and FeDP is found among 84% of studied population. A strong and positive correlation is developed in the Zn-or FeDP with their deficiencies in soil and grain by plotting multivariate analysis. In line with spatial distribution pattern, the UCs, namely, 141, 151, 159 and 132 are quantified severe deficient in Zn and Fe, and others are marginal or approaching to deficient level. Our findings rationalize the biological nexus of Zn and Fe, and accordingly, draw attention in the biofortification of staple crop as a win-win approach to combat the rising malnutrition concerns.
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Affiliation(s)
- Muhammad Ishfaq
- Department of Plant Nutrition, The Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, 100193, China.
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan.
| | - Abdul Wakeel
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Nadeem Shahzad
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Aysha Kiran
- Department of Botany, University of Agriculture, Faisalabad, 38040, Pakistan.
| | - Xuexian Li
- Department of Plant Nutrition, The Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, 100193, China
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Krupnova TG, Rakova OV, Gavrilkina SV, Antoshkina EG, Baranov EO, Dmitrieva AP, Somova AV. Extremely high concentrations of zinc in birch tree leaves collected in Chelyabinsk, Russia. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:2551-2570. [PMID: 32488796 DOI: 10.1007/s10653-020-00605-3] [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: 12/14/2019] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Zinc is an essential trace element and a vital microelement for human health. Zinc can be toxic when exposures exceed physiological needs. Toxic effects in humans are most evident from inhalation exposure to high concentrations of Zn compounds. Urban air pollution can be especially dangerous due to the Zn content in airborne dust. Tree leaves can absorb significant levels of zinc. In this study, leaf deposition of Zn was investigated in Chelyabinsk, Russia. Russian zinc production plant and metallurgical plant are located in Chelyabinsk. Extremely high concentrations of Zn (316-4000 mg kg-1) were found in the leaves of birch trees. It is well known that traffic also is Zn source in an urban environment. Trees, growing at the different distances from zinc production and metallurgical plants and road to identify the contribution of each source (road or industry), were studied. Through SEM analysis, the prevalence of small particulates (PM10 and less), containing Zn, illustrated leaf Zn deposition from the air by passing root accumulation. It was shown that emission of zinc production plant and the metallurgical plant is the main source of leaf Zn deposition in Chelyabinsk.
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Affiliation(s)
- Tatyana G Krupnova
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080.
| | - Olga V Rakova
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080
| | - Svetlana V Gavrilkina
- South Urals Federal Research Center of Mineralogy and Geoecology of the Urals Branch of the Russian Academy of Sciences, Miass, Russia, 456317
| | - Elizaveta G Antoshkina
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080
| | - Evgeny O Baranov
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080
| | - Anastasia P Dmitrieva
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080
| | - Anna V Somova
- Chemistry Department, South Ural State University, 76 Lenin Prospect, Chelyabinsk, Russia, 454080
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Yu BG, Liu YM, Chen XX, Cao WQ, Ding TB, Zou CQ. Foliar Zinc Application to Wheat May Lessen the Zinc Deficiency Burden in Rural Quzhou, China. Front Nutr 2021; 8:697817. [PMID: 34262927 PMCID: PMC8273279 DOI: 10.3389/fnut.2021.697817] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/02/2021] [Indexed: 11/13/2022] Open
Abstract
Zinc (Zn) malnutrition is a common health problem, especially in developing countries. The human health and economic benefits of the replacement of conventional flour with Zn-biofortified wheat flour in rural household diets were assessed. One hundred forty-five wheat flour samples were collected from rural households in Quzhou County. Then, field experiments were conducted on wheat at two Zn levels (0 and 0.4% ZnSO4 · 7H2O foliar application) under 16 diverse agricultural practices in Quzhou County. Foliar Zn application significantly increased the Zn concentration and bioavailability in wheat grain and flour. If rural households consumed Zn-biofortified flour instead of self-cultivated flour or flour purchased from supermarkets, 257-769 or 280-838, 0.46-1.36 million or 0.50-1.49 million disability-adjusted life years (DALYs) lost, respectively, could be saved in Quzhou County and China. Amounts of 2.3-12.0 million and 5.5-22.6 billion RMB could be obtained via Zn-biofortified flour in Quzhou County and China, respectively. The current study indicates that Zn-biofortified flour via foliar Zn application is a win-win strategy to maintain the yield and combat human Zn deficiency in rural households in China. More health and economic benefits could be obtained in rural household dependent on wheat flour purchased from supermarkets than in those dependent on self-cultivated wheat flour.
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Affiliation(s)
- Bao-Gang Yu
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
| | - Yu-Min Liu
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
| | - Xiu-Xiu Chen
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
| | - Wen-Qing Cao
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
| | - Tong-Bin Ding
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
| | - Chun-Qin Zou
- Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, China
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Rehman A, Farooq M, Ullah A, Nadeem F, Im SY, Park SK, Lee DJ. Agronomic Biofortification of Zinc in Pakistan: Status, Benefits, and Constraints. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2020. [DOI: 10.3389/fsufs.2020.591722] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Micronutrient malnutrition (e.g., zinc) is one of the major causes of human disease burden in the developing world. Zinc (Zn) deficiency is highly prevalent in the Pakistani population (22.1%), particularly in women and children (under 5 years) due to low dietary Zn intake. In Pakistan, wheat is the primary staple food and is poor in bioavailable Zn. However, the number of malnourished populations has decreased over the last decade due to multiplied public awareness, accelerated use of Zn fertilizers (particularly in wheat and rice), initiation of several national/international research initiatives focusing on Zn biofortification in staple crops and availability of supplements and Zn fortified meals merchandise, nonetheless a large number of people are facing Zn or other micronutrient deficiencies in the country. There are few reports highlighting the significant increase in daily dietary Zn uptake in population consuming biofortified wheat (Zincol-2016) flour; indicating the positive prospect of biofortification interventions up scaling in lowering the risk of dietary Zn deficiency in rural and marginalized communities. Zinc fertilizer strategy has not only helped in enhancing the grain Zn concentration, but it also helped in improving crop yield with high economic return. In addition, Zn biofortified seeds have exhibited strong inherent ability to withstand abiotic stresses and produce higher grain yield under diverse climatic conditions. However, there are many constraints (soil, environment, genetic diversity, antinutrients concentration, socioeconomic factors etc.) that hinder the success of biofortification interventions. This review highlights the status of Zn deficiency in Pakistan, the success of agronomic and genetic biofortification interventions. It also discusses the economics of agronomic biofortification and cost effectiveness of Zn fertilization in field conditions in Pakistan and the potential of Zn biofortified seeds against abiotic stresses. Furthermore, it also highlights the constraints which limit the sustainability of biofortification interventions.
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Zia MH, Ahmed I, Bailey EH, Lark RM, Young SD, Lowe NM, Joy EJM, Wilson L, Zaman M, Broadley MR. Site-Specific Factors Influence the Field Performance of a Zn-Biofortified Wheat Variety. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2020; 4. [DOI: 10.3389/fsufs.2020.00135] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024] Open
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