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Xu Y, Fang M, Li X, Wang D, Yu L, Ma F, Jiang J, Zhang L, Li P. Contributions of Common Foods to Resveratrol Intake in the Chinese Diet. Foods 2024; 13:1267. [PMID: 38672939 PMCID: PMC11049234 DOI: 10.3390/foods13081267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Resveratrol is a polyphenolic compound with antioxidant and anti-inflammatory properties and therefore has potential health benefits for the prevention and treatment of a wide range of diseases, including cardiovascular disease, cancer, diabetes, and neurodegenerative diseases. The beneficial dose of resveratrol is between 30 and 150 mg. Although the health benefits of resveratrol have been extensively studied, resveratrol intake through the diet of residents in China remains unclear, which restricts the development of resveratrol-rich foods. In this study, a dietary assessment was conducted to reveal that the daily resveratrol intake by Chinese residents through common foods was only 0.783 mg, which was significantly below the beneficial dose. Among the main food types, fruits emerged as the primary source of resveratrol, contributing to 88.35% of the total intake. To improve resveratrol intake, potential methods to increase its consumption were proposed. First method is to increase the resveratrol content of fruits and peanuts. In addition, resveratrol can be extracted from peels. It is also recommended to adopt technical means to improve the bioavailability of resveratrol and develop related supplements and functional drinks.
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Affiliation(s)
- Yichi Xu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Mengxue Fang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Xue Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Du Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Li Yu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Fei Ma
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Jun Jiang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Liangxiao Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Peiwu Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
- Xianghu Laboratory, Hangzhou 311231, China
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Nunes YC, Santos GDO, Machado NM, Otoboni AMMB, Laurindo LF, Bishayee A, Fimognari C, Bishayee A, Barbalho SM. Peanut (Arachis hypogaea L.) seeds and by-products in metabolic syndrome and cardiovascular disorders: A systematic review of clinical studies. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155170. [PMID: 38000103 DOI: 10.1016/j.phymed.2023.155170] [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: 07/22/2023] [Revised: 10/08/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023]
Abstract
BACKGROUND Cardiovascular disease (CVDs) is the leading cause of death worldwide. The main risk factors are hypertension, diabetes, obesity, and increased serum lipids. The peanut (Arachis hypogaea L.), also known as the groundnut, goober, pindar, or monkey nut, belongs to the Fabaceae family and is the fourth most cultivated oilseed in the world. The seeds and skin of peanuts possess a rich phytochemical profile composed of antioxidants, such as phenolic acids, stilbenes, flavonoids, and phytosterols. Peanut consumption can provide numerous health benefits, such as anti-obesity, antidiabetic, antihypertensive, and hypolipidemic effects. Accordingly, peanuts have the potential to treat CVD and counteract its risk factors. PURPOSE This study aims to critically evaluate the effects of peanuts on metabolic syndrome (MetS) and CVD risk factors based on clinical studies. METHOD This review includes studies indexed in MEDLINE-PubMed, COCHRANE, and EMBASE, and the Preferred Reporting Items for a Systematic Review and Meta-Analysis guidelines were adhered to. RESULTS Nineteen studies were included and indicated that the consumption of raw peanuts or differing forms of processed foods containing peanut products and phytochemicals could improve metabolic parameters, such as glycemia, insulinemia, glycated hemoglobin, lipids, body mass index, waist circumference, atherogenic indices, and endothelial function. CONCLUSION We propose that this legume and its products be used as a sustainable and low-cost alternative for the prevention and treatment of MetS and CVD. However, further research with larger sample sizes, longer intervention durations, and more diverse populations is needed to understand the full benefit of peanut consumption in MetS and CVD.
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Affiliation(s)
- Yandra Cervelim Nunes
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília 17500-000, São Paulo, Brazil
| | - Gian de Oliveira Santos
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília 17500-000, São Paulo, Brazil
| | - Nathália Mendes Machado
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília 17525-902, São Paulo, Brazil
| | - Alda M M B Otoboni
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília 17500-000, São Paulo, Brazil
| | - Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, Faculdade de Medicina de Marília (FAMEMA), Marília 17519-030, São Paulo, Brazil
| | - Anusha Bishayee
- Department of Statistics and Data Science, College of Arts and Sciences, Cornell University, Ithaca, NY 14850, USA
| | - Carmela Fimognari
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA.
| | - Sandra Maria Barbalho
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília 17500-000, São Paulo, Brazil; Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília 17525-902, São Paulo, Brazil; Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marília (UNIMAR), Marília 17525-902, São Paulo, Brazil.
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3
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Induction of the Prenylated Stilbenoids Arachidin-1 and Arachidin-3 and Their Semi-Preparative Separation and Purification from Hairy Root Cultures of Peanut ( Arachis hypogaea L.). MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186118. [PMID: 36144847 PMCID: PMC9504991 DOI: 10.3390/molecules27186118] [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: 08/19/2022] [Revised: 09/09/2022] [Accepted: 09/15/2022] [Indexed: 11/29/2022]
Abstract
Prenylated stilbenoids such as arachidin-1 and arachidin-3 are stilbene derivatives that exhibit multiple pharmacological activities. We report an elicitation strategy using different combinations of cyclodextrin, hydrogen peroxide, methyl jasmonate and magnesium chloride to increase arachidin-1 and arachidin-3 production in peanut hairy root cultures. The treatment of hairy root cultures with cyclodextrin with hydrogen peroxide selectively enhanced arachidin-1 yield (132.6 ± 20.4 mg/L), which was 1.8-fold higher than arachidin-3. Similarly, cyclodextrin combined with methyl jasmonate selectively enhanced arachidin-3 yield (178.2 ± 6.8 mg/L), which was 5.5-fold higher than arachidin-1. Re-elicitation of the hairy root cultures further increased the levels of arachidin-1 and arachidin-3 by 24% and 42%, respectively. The ethyl acetate extract of the culture medium was consecutively fractionated by normal- and reversed-phase column chromatography, followed by semi-preparative HPLC purification on a C18 column to yield arachidin-1 with a recovery rate of 32% and arachidin-3 with a recovery rate of 39%, both at higher than 95% purity. This study provided a sustainable strategy to produce high-purity arachidin-1 and arachidin-3 using hairy root cultures of peanuts combined with column chromatography and semi-preparative HPLC.
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Weng BBC, Liu YC, White BL, Chang JC, Davis JP, Hsiao SH, Chiou RYY. Allergenicity reduction of the bio-elicited peanut sprout powder (BPSP) and toxicological acceptance of BPSP-supplemented diets assessed with ICR mice. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:4583-4593. [PMID: 36276516 PMCID: PMC9579254 DOI: 10.1007/s13197-022-05537-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Revised: 04/20/2022] [Accepted: 06/15/2022] [Indexed: 11/25/2022]
Abstract
The allergenic and toxicological acceptances of the bio-elicited peanut sprout powder (BPSP) have not been assessed. BPSP was generated from peanut kernels germinated at 26–28 °C for 72 h (designated as 72 h-NGS). The 72 h-NGS were subsequently sliced, incubated, dried, defatted and pulverized to generate bio-elicited peanut sprout powder (BPSP). Protein solubility of BPSP increased 2.6-fold compared to 72 h-NGS. SDS-PAGE analysis revealed BPSP production triggered extensive degradation of the high-molecular weight peanut allergic proteins, mainly Ara h 1 and Ara h 3. Western blotting detected with peanut allergic patients’ IgE indicated decreased in vitro reactivity. Food safety assessment of BPSP was performed with ICR mice fed with basal (control) and three doses of formulated BPSP-supplemented diets containing 0.11 g (normal), 2.5 g (high) and 25 g (super high) BPSP /kg BW. Animals appeared healthy with steady body weight gain in all groups during the entire 35-day dietary intervention. Hematological and serum biochemical analyses revealed no significant difference among groups. Histopathological examination on the tissue sections of primary organs further supported safety with no pathologies. The in vitro allergic reduction and toxicological safety in the BPSP-supplemented dietary intervention in the ICR mice study, support moving forward with BPSP-involved product development.
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Affiliation(s)
- Brian B.-C. Weng
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi, 60004 Taiwan, Republic of China
| | - Yu-Chia Liu
- Department of Food Science, National Chiayi University, Chiayi, 60004 Taiwan, Republic of China
| | - Brittany L. White
- Market Quality and Handling Research Unit, USDA ARS, North Carolina State University, Raleigh, NC 27607 USA
| | - Ju-Chun Chang
- Department of Food Science, National Chiayi University, Chiayi, 60004 Taiwan, Republic of China
| | - Jack P. Davis
- Market Quality and Handling Research Unit, USDA ARS, North Carolina State University, Raleigh, NC 27607 USA
- Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, NC 27607 USA
| | - Shih-Hsuan Hsiao
- Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois, Urbana, IL 61802 USA
| | - Robin Y.-Y. Chiou
- Department of Food Science, National Chiayi University, Chiayi, 60004 Taiwan, Republic of China
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Chayjarung P, Phonherm M, Inmano O, Kongbangkerd A, Wongsa T, Limmongkon A. Influence of peanut hairy root cultivars on prenylated stilbenoid production and the response mechanism for combining the elicitors of chitosan, methyl jasmonate, and cyclodextrin. PLANTA 2022; 256:32. [PMID: 35794498 DOI: 10.1007/s00425-022-03946-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Peanut cultivars are known to produce stilbene compounds. Transcriptional control plays a key role in the early stages of the stress response mechanism, involving both PR-proteins and stilbene compounds. In this study, the production of stilbenoid compounds, especially prenylated, was investigated in two cultivars of peanut hairy root lines, designated as K2-K599 and T9-K599 elicited with a combination of chitosan (CHT), methyl jasmonate (MeJA), and cyclodextrin (CD): CHT + MeJA + CD. The antioxidant activities and stilbenoid content of both K2-K599 and T9-K599 hairy root lines increased significantly during the elicitation period. The T9-K599 hairy root line expressed higher ABTS and FRAP antioxidant activities than the K2-K599 line while the latter exhibited greater total phenolic content than the former at all-time points. Additionally, the K2-K599 line exhibited more stilbene compounds, including trans-resveratrol, trans-arachidin-1, and trans-arachidin-3 than the T9-K599 line, which showed statistically significant differences at all-time points. Gene expression of the enzyme involved in the stilbene biosynthesis pathway (PAL, RS, RS3) was observed, responding early to elicitor treatment and the metabolic production of a high level of stilbenoid compounds at a later stage. The antioxidant enzyme (CuZn-SOD, APX, GPX) and pathogenesis-related protein (PR; PR4A, PR5, PR10, chitinase) genes were strongly expressed after elicitor treatment at 24 h and decreased with an increasing elicitation time. Investigation of the response mechanism illustrates that the elicitor treatment can affect various plant responses, including plant cell wall structure and integrity, antioxidant system, PR-proteins, and secondary plant metabolites at different time points after facing external environmental stimuli.
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Affiliation(s)
- Phadtraphorn Chayjarung
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Montinee Phonherm
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Onrut Inmano
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Anupan Kongbangkerd
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Thanakorn Wongsa
- Faculty of Science and Technology, Kamphaeng Phet Rajabhat University, Kamphaeng phet, 62000, Thailand
| | - Apinun Limmongkon
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand.
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Shen CH, Wu JY, Wang SC, Wang CH, Hong CT, Liu PY, Wu SR, Liu YW. The suppressive role of phytochemical-induced glutathione S-transferase Mu 2 in human urothelial carcinoma cells. Biomed Pharmacother 2022; 151:113102. [PMID: 35594716 DOI: 10.1016/j.biopha.2022.113102] [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] [Received: 04/16/2022] [Revised: 05/04/2022] [Accepted: 05/10/2022] [Indexed: 11/18/2022] Open
Abstract
Glutathione S-transferases (GSTs) belong to one class of phase 2 detoxification enzymes which are important in metabolism and/or detoxification of various electrophilic endogenous metabolites and xenobiotics. From the available database, we found that GSTM2 gene expression is lower in high stages of bladder urothelial carcinoma than in stage 1 and normal bladder tissue. GSTM2 overexpression retards invasion, migration and tumor sphere formation of bladder cancer cells. Analysis of GSTM2 promoter activity shows that one SP1 site located at - 48 to - 40 bp is important for GSTM2 gene expression in BFTC 905 cells. An SP1 inhibitor, mithramycin A, inhibits GSTM2 promoter activity and protein expression. SP1 overexpression also increases GSTM2 expression in BFTC 905 and 5637 cells. Eight potential phytochemicals were analyzed for GSTM2 promoter activation, and results indicated that baicalein, berberrubine, chalcone, curcumin, resveratrol, and wogonin can increase promoter activity. In endogenous GSTM2 expression, berberrubine and resveratrol activated GSTM2 mRNA and protein expression the most. A DNA methylation inhibitor, 5-aza-deoxycytidine, can decrease GSTM2 gene methylation level and then increase its gene expression; 50 μM berberrubine decreased the GSTM2 gene methylation level, providing a mechanism for activating GSTM2 gene expression. Berberrubine and resveratrol also increased SP1 protein expression as one of the mechanisms for GSTM2 gene expression. In summary, berberrubine and resveratrol activates GSTM2 expression which inhibits cell proliferation, migration, and invasion of bladder cancer cells. The GSTM2 expression mechanism is partially via SP1 activation, and the effect of berberrubine is also partly via DNA CpG demethylation.
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Affiliation(s)
- Cheng-Huang Shen
- Department of Urology, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi 600, Taiwan
| | - Jin-Yi Wu
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
| | - Shou-Chieh Wang
- Division of Nephrology, Department of Internal Medicine, Kuang Tien General Hospital, Taichung 437, Taiwan
| | - Chi-Hung Wang
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
| | - Chen-Tai Hong
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
| | - Pei-Yu Liu
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
| | - Sin-Rong Wu
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
| | - Yi-Wen Liu
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan.
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Bodoira R, Cecilia Cittadini M, Velez A, Rossi Y, Montenegro M, Martínez M, Maestri D. An overview on extraction, composition, bioactivity and food applications of peanut phenolics. Food Chem 2022; 381:132250. [PMID: 35121321 DOI: 10.1016/j.foodchem.2022.132250] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 01/05/2022] [Accepted: 01/23/2022] [Indexed: 12/20/2022]
Abstract
Peanuts contain a diverse and vast array of phenolic compounds having important biological properties. They are allocated mostly in the seed coat (skin), an industrial waste with minor and undervalued applications. In the last few years, a considerable amount of scientific knowledge about extraction, composition, bioactivities and health benefits of peanut skin phenolics has been generated. The present review was focused on four main aspects: a) extraction methods and technologies for obtaining peanut skin phenolics with an emphasis on green-solvent extraction processes; b) variations in chemical profiles including those due to genetic variability, extraction methodologies and process-related issues; c) bioactive properties, especially antioxidant activities in food and biological systems; d) update of promising food applications. The revision was also aimed at identifying areas where knowledge is insufficient and to set priorities for further research.
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Affiliation(s)
- Romina Bodoira
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC - CONICET), Universidad Nacional de Córdoba (UNC), Argentina
| | - M Cecilia Cittadini
- Instituto Multidisciplinario de Biología Vegetal (IMBIV - CONICET), Facultad de Ciencias Exactas, Físicas y Naturales - Universidad Nacional de Córdoba (UNC), Argentina
| | - Alexis Velez
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA - CONICET), Facultad de Ciencias Exactas, Físicas y Naturales - Universidad Nacional de Córdoba (UNC), Argentina
| | - Yanina Rossi
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB - CONICET), Universidad Nacional de Villa María (UNVM), Argentina
| | - Mariana Montenegro
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB - CONICET), Universidad Nacional de Villa María (UNVM), Argentina
| | - Marcela Martínez
- Instituto Multidisciplinario de Biología Vegetal (IMBIV - CONICET), Facultad de Ciencias Exactas, Físicas y Naturales - Universidad Nacional de Córdoba (UNC), Argentina
| | - Damián Maestri
- Instituto Multidisciplinario de Biología Vegetal (IMBIV - CONICET), Facultad de Ciencias Exactas, Físicas y Naturales - Universidad Nacional de Córdoba (UNC), Argentina.
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Mohammadhosseinpour S, Ho LC, Fang L, Xu J, Medina-Bolivar F. Arachidin-1, a Prenylated Stilbenoid from Peanut, Induces Apoptosis in Triple-Negative Breast Cancer Cells. Int J Mol Sci 2022; 23:1139. [PMID: 35163062 PMCID: PMC8835363 DOI: 10.3390/ijms23031139] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 02/04/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is unresponsive to typical hormonal treatments, causing it to be one of the deadliest forms of breast cancer. Investigating alternative therapies to increase survival rates for this disease is essential. The goal of this study was to assess cytotoxicity and apoptosis mechanisms of prenylated stilbenoids in TNBC cells. The prenylated stilbenoids arachidin-1 (A-1) and arachidin-3 (A-3) are analogs of resveratrol (RES) produced in peanut upon biotic stress. The anticancer activity of A-1 and A-3 isolated from peanut hairy root cultures was determined in TNBC cell lines MDA-MB-231 and MDA-MB-436. After 24 h of treatment, A-1 exhibited higher cytotoxicity than A-3 and RES with approximately 11-fold and six-fold lower IC50, respectively, in MDA-MB-231 cells, and nine-fold and eight-fold lower IC50, respectively, in MDA-MB-436 cells. A-1 did not show significant cytotoxicity in the non-cancerous cell line MCF-10A. While A-1 blocked cell division in G2-M phases in the TNBC cells, it did not affect cell division in MCF-10A cells. Furthermore, A-1 induced caspase-dependent apoptosis through the intrinsic pathway by activating caspase-9 and PARP cleavage, and inhibiting survivin. In conclusion, A-1 merits further research as a potential lead molecule for the treatment of TNBC.
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Affiliation(s)
- Sepideh Mohammadhosseinpour
- Molecular Biosciences Graduate Program, College of Sciences and Mathematics, Arkansas State University, Jonesboro, AR 72467, USA;
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (L.-C.H.); (L.F.); (J.X.)
| | - Linh-Chi Ho
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (L.-C.H.); (L.F.); (J.X.)
| | - Lingling Fang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (L.-C.H.); (L.F.); (J.X.)
| | - Jianfeng Xu
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (L.-C.H.); (L.F.); (J.X.)
- College of Agriculture, Arkansas State University, Jonesboro, AR 72467, USA
| | - Fabricio Medina-Bolivar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (L.-C.H.); (L.F.); (J.X.)
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72467, USA
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Gajurel G, Hasan R, Medina-Bolivar F. Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut ( Arachis hypogaea). Molecules 2021; 26:molecules26226778. [PMID: 34833870 PMCID: PMC8621774 DOI: 10.3390/molecules26226778] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/05/2021] [Accepted: 11/07/2021] [Indexed: 11/25/2022] Open
Abstract
Peanut produces prenylated stilbenoids upon biotic stress. However, the role of these compounds against oxidative stress have not been thoroughly elucidated. To this end, the antioxidant capacity of extracts enriched in prenylated stilbenoids and derivatives was studied. To produce these extracts, hairy root cultures of peanut cultivars Hull, Tifrunner, and Georgia Green were co-treated with methyl jasmonate, cyclodextrin, hydrogen peroxide, and magnesium chloride and then the stilbenoids were extracted from the culture medium. Among the three cultivars, higher levels of the stilbenoid derivatives arachidin-1 and arachidin-6 were detected in cultivar Tifrunner. Upon reaction with 2,2-diphenyl-1picrylhydrazyl, extracts from cultivar Tifrunner showed the highest antioxidant capacity with an IC50 of 6.004 µg/mL. Furthermore, these extracts had significantly higher antioxidant capacity at 6.25 µg/mL and 3.125 µg/mL when compared to extracts from cultivars Hull and Georgia Green. The stilbenoid-rich extracts from peanut hairy roots show high antioxidant capacity and merit further study as potential nutraceuticals to promote human health.
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Affiliation(s)
- Gaurav Gajurel
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (G.G.); (R.H.)
- Molecular Biosciences Graduate Program, Arkansas State University, Jonesboro, AR 72467, USA
| | - Rokib Hasan
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (G.G.); (R.H.)
- Molecular Biosciences Graduate Program, Arkansas State University, Jonesboro, AR 72467, USA
| | - Fabricio Medina-Bolivar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA; (G.G.); (R.H.)
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72467, USA
- Correspondence: ; Tel.: +1-8706804319
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10
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Inhibition of testosterone-mediated benign prostatic enlargement of orchiectomized Sprague-Dawley rats by diets supplemented with bio-elicited peanut sprout powder (BPSP) and three new BPSP-extracted natural compounds identified. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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11
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Šamec D, Karalija E, Šola I, Vujčić Bok V, Salopek-Sondi B. The Role of Polyphenols in Abiotic Stress Response: The Influence of Molecular Structure. PLANTS (BASEL, SWITZERLAND) 2021; 10:118. [PMID: 33430128 PMCID: PMC7827553 DOI: 10.3390/plants10010118] [Citation(s) in RCA: 213] [Impact Index Per Article: 71.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/29/2020] [Accepted: 01/05/2021] [Indexed: 01/15/2023]
Abstract
Abiotic stressors such as extreme temperatures, drought, flood, light, salt, and heavy metals alter biological diversity and crop production worldwide. Therefore, it is important to know the mechanisms by which plants cope with stress conditions. Polyphenols, which are the largest group of plant-specialized metabolites, are generally recognized as molecules involved in stress protection in plants. This diverse group of metabolites contains various structures, from simple forms consisting of one aromatic ring to more complex ones consisting of large number of polymerized molecules. Consequently, all these molecules, depending on their structure, may show different roles in plant growth, development, and stress protection. In the present review, we aimed to summarize data on how different polyphenol structures influence their biological activity and their roles in abiotic stress responses. We focused our review on phenolic acids, flavonoids, stilbenoids, and lignans.
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Affiliation(s)
- Dunja Šamec
- Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia;
| | - Erna Karalija
- Faculty of Science, University of Sarajevo, Zmaja od Bosne 33–35, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Ivana Šola
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (I.Š.); (V.V.B.)
| | - Valerija Vujčić Bok
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (I.Š.); (V.V.B.)
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12
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Zhu T, Yang J, Zhang D, Cai Q, Zhou D, Tu S, Liu Q, Tu K. Effects of White LED Light and UV-C Radiation on Stilbene Biosynthesis and Phytochemicals Accumulation Identified by UHPLC-MS/MS during Peanut ( Arachis hypogaea L.) Germination. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5900-5909. [PMID: 32348140 DOI: 10.1021/acs.jafc.0c01178] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, the effects of white light-emitting diode (LED) and UV-C radiation (with the same intensity) on stilbene biosynthesis and phytochemicals accumulation of peanut sprouts were investigated. Results showed that white light radiation promoted the growth of peanut sprouts while UV-C radiation had the opposite effect. Contents of total phenolics, total flavonoids, and phytochemicals significantly increased in peanut sprouts treated by white light or UV-C radiation. Besides, light radiation significantly induced stilbene accumulation by upregulating the expression of genes and enzymes in stilbene biosynthesis-related pathway, and UV-C was more effective to promote stilbene accumulation. Compared with piceid and piceatannol, resveratrol showed the highest accumulation in peanut sprouts treated by light radiation. In summary, white light or UV-C radiation could be used as a method to promote stilbene biosynthesis and phytochemicals accumulation in peanut sprouts and UV-C was more effective.
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Affiliation(s)
- Tong Zhu
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Jinghui Yang
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Di Zhang
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Qinqin Cai
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Dandan Zhou
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Siying Tu
- School of Biomedical Sciences, The University of Western Australia, Perth 6009, Australia
| | - Qiang Liu
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
| | - Kang Tu
- College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China
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13
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Nawaz MA, Tan M, Øiseth S, Buckow R. An Emerging Segment of Functional Legume-Based Beverages: A Review. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2020.1762641] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Malik Adil Nawaz
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Agriculture and Food, Werribee, Australia
| | - Melvin Tan
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Agriculture and Food, Werribee, Australia
| | - Sofia Øiseth
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Agriculture and Food, Werribee, Australia
| | - Roman Buckow
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Agriculture and Food, Werribee, Australia
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14
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Fang L, Yang T, Medina-Bolivar F. Production of Prenylated Stilbenoids in Hairy Root Cultures of Peanut ( Arachis hypogaea) and its Wild Relatives A. ipaensis and A. duranensis via an Optimized Elicitation Procedure. Molecules 2020; 25:molecules25030509. [PMID: 31991643 PMCID: PMC7037846 DOI: 10.3390/molecules25030509] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/18/2020] [Accepted: 01/22/2020] [Indexed: 12/25/2022] Open
Abstract
Prenylated stilbenoids are phenolic compounds produced in a small number of plants such as peanut (Arachis hypogaea) to counteract biotic and abiotic stresses. In addition to their role in plant defense, they exhibit biological activities with potential application in human health. Whereas non-prenylated stilbenoids such as resveratrol are commercially available, the availability of prenylated stilbenoids is limited. To this end, hairy root cultures of peanut were developed as an elicitor-controlled bioproduction platform for prenylated stilbenoids. An orthogonal array design approach led to the elucidation of an optimized elicitation procedure consisting of co-treatment of the hairy root cultures with 18 g/L methyl-β-cyclodextrin, 125 µM methyl jasmonate, 3 mM hydrogen peroxide (H2O2) and medium supplementation with additional 1 mM magnesium chloride. After 168-h of elicitor treatment, the combined yield of the prenylated stilbenoids arachidin-1, arachidin-2, arachidin-3 and arachidin-5 reached approximately 750 mg/L (equivalent to 107 mg/g DW). Moreover, hairy root cultures from the wild Arachis species A. duranensis and A. ipaensis were developed and shown to produce prenylated stilbenoids upon elicitor treatment. These wild Arachis hairy root lines may provide a platform to elucidate the biosynthetic origin of prenylated stilbenoids in peanut.
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Affiliation(s)
- Lingling Fang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA; (L.F.); (T.Y.)
| | - Tianhong Yang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA; (L.F.); (T.Y.)
- Molecular Biosciences Graduate Program, Arkansas State University, Jonesboro, AR 72401, USA
| | - Fabricio Medina-Bolivar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA; (L.F.); (T.Y.)
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
- Correspondence: ; Tel.: +1-870-680-4319
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15
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Sobolev V, Walk T, Arias R, Massa A, Lamb M. Inhibition of Aflatoxin Formation in Aspergillus Species by Peanut ( Arachis hypogaea) Seed Stilbenoids in the Course of Peanut-Fungus Interaction. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:6212-6221. [PMID: 31099566 DOI: 10.1021/acs.jafc.9b01969] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Common soil fungi, Aspergillus flavus and Aspergillus parasiticus, are opportunistic pathogens that invade preharvest peanut seeds. These fungi often produce carcinogenic aflatoxins that pose a threat to human and animal health through food chains and cause significant economic losses worldwide. Detection of aflatoxins and further processing of crops are mandated to ensure that contaminated agricultural products do not enter food channels. Under favorable conditions, the fungus-challenged peanut seeds produce phytoalexins, structurally related stilbenoids, capable of retarding fungal development. The purpose of the present study was to evaluate the potential influence of peanut phytoalexins on fungal development and aflatoxin formation in the course of peanut-fungus interaction. The present research revealed that during such interaction, aflatoxin formation was completely suppressed in A. flavus and A. parasiticus strains tested, when low concentrations of spores were introduced to wounded preincubated peanuts. In most of the experiments, when fungal spore concentrations were 2 orders of magnitude higher, the spores germinated and produced aflatoxins. Of all experimental seeds that showed fungal growth, 57.7% were aflatoxin-free after 72 h of incubation. The research provided new knowledge on the aflatoxin/phytoalexin formation in the course of peanut-fungus interaction.
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Affiliation(s)
- Victor Sobolev
- National Peanut Research Laboratory , Agricultural Research Service, United States Department of Agriculture , P.O. Box 509, Dawson , Georgia 39842 , United States
| | - Travis Walk
- National Peanut Research Laboratory , Agricultural Research Service, United States Department of Agriculture , P.O. Box 509, Dawson , Georgia 39842 , United States
| | - Renee Arias
- National Peanut Research Laboratory , Agricultural Research Service, United States Department of Agriculture , P.O. Box 509, Dawson , Georgia 39842 , United States
| | - Alicia Massa
- National Peanut Research Laboratory , Agricultural Research Service, United States Department of Agriculture , P.O. Box 509, Dawson , Georgia 39842 , United States
| | - Marshall Lamb
- National Peanut Research Laboratory , Agricultural Research Service, United States Department of Agriculture , P.O. Box 509, Dawson , Georgia 39842 , United States
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16
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de Medeiros AF, Rocha MGF, Serquiz AC, Machado RJA, Lima VCO, de Carvalho FMC, de Sousa Costa I, Maciel BLL, dos Santos EA, de Araújo Morais AH. Characterization of novel trypsin inhibitor in raw and toasted peanuts using a simple improved isolation. ACTA CHROMATOGR 2019. [DOI: 10.1556/1326.2017.00353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Amanda Fernandes de Medeiros
- Postgraduate Biochemistry Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | | | - Alexandre Coelho Serquiz
- Postgraduate Biochemistry Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | | | | | | | - Izael de Sousa Costa
- Department of Nutrition, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- Postgraduate Nutrition Program, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Bruna Leal Lima Maciel
- Course of Nutrition, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- Postgraduate Nutrition Program, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Elizeu Antunes dos Santos
- Postgraduate Biochemistry Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- Department of Biochemistry, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Ana Heloneida de Araújo Morais
- Postgraduate Biochemistry Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- Department of Nutrition, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
- Postgraduate Nutrition Program, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
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17
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Limmongkon A, Pankam J, Somboon T, Wongshaya P, Nopprang P. Evaluation of the DNA damage protective activity of the germinated peanut (Arachis hypogaea) in relation to antioxidant and anti-inflammatory activity. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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18
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Tang YW, Shi CJ, Yang HL, Cai P, Liu QH, Yang XL, Kong LY, Wang XB. Synthesis and evaluation of isoprenylation-resveratrol dimer derivatives against Alzheimer's disease. Eur J Med Chem 2019; 163:307-319. [PMID: 30529634 DOI: 10.1016/j.ejmech.2018.11.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/16/2018] [Accepted: 11/16/2018] [Indexed: 01/09/2023]
Abstract
A series of resveratrol dimer derivatives against Alzheimer's disease (AD) was obtained by structural modification and transformation using resveratrol as substrate. Biological analysis revealed that these derivatives had moderate inhibitory activity against human monoamine oxidase B (hMAO-B). In particular, 3 and 7 showed the better inhibitory activity for hMAO-B (IC50 = 3.91 ± 0.23 μM, 0.90 ± 0.01 μM) respectively. Compound 3 (IC50 = 46.95 ± 0.21 μM for DPPH, 1.43 and 1.74 trolox equivalent by ABTS and FRAP method respectively), and 7 (IC50 = 35.33 ± 0.15 μM for DPPH, 1.70 and 1.97 trolox equivalent by ABTS method and FRAP method respectively) have excellent antioxidant effects. Cellular assay shown that 3 and 7 had lower toxicity and were resistant to neurotoxicity induced by oxidative toxins (H2O2, rotenone and oligomycin-A). More importantly, the selected compounds have neuroprotective effects against ROS generation, H2O2-induced apoptosis and a significant in vitro anti-inflammatory activity. The results of the parallel artificial membrane permeability assay for blood-brain barrier indicated that 3 and 7 would be predominant to cross the blood-brain barrier. In this study, mouse microglia BV2 cells were used to establish cell oxidative stress injury model with H2O2 and to explore the protective effect and mechanism of 3 and 7. In general, 3 and 7 can be considered candidates for potential treatment of AD.
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Affiliation(s)
- Yan-Wei Tang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Cun-Jian Shi
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Hua-Li Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Pei Cai
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Qiao-Hong Liu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Xue-Lian Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Ling-Yi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
| | - Xiao-Bing Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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19
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Ju JS. Commercialized machine for soaking and slicing peanuts to induce resveratrol production. J FOOD PROCESS ENG 2018. [DOI: 10.1111/jfpe.12611] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jain-Song Ju
- Department of Biomechatronics Engineering; National Chiayi University; Chiayi City 60004 Taiwan, Republic of China
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20
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Yang T, Fang L, Sanders S, Jayanthi S, Rajan G, Podicheti R, Thallapuranam SK, Mockaitis K, Medina-Bolivar F. Stilbenoid prenyltransferases define key steps in the diversification of peanut phytoalexins. J Biol Chem 2017; 293:28-46. [PMID: 29158266 DOI: 10.1074/jbc.ra117.000564] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 11/11/2017] [Indexed: 12/18/2022] Open
Abstract
Defense responses of peanut (Arachis hypogaea) to biotic and abiotic stresses include the synthesis of prenylated stilbenoids. Members of this compound class show several protective activities in human disease studies, and the list of potential therapeutic targets continues to expand. Despite their medical and biological importance, the biosynthetic pathways of prenylated stilbenoids remain to be elucidated, and the genes encoding stilbenoid-specific prenyltransferases have yet to be identified in any plant species. In this study, we combined targeted transcriptomic and metabolomic analyses to discover prenyltransferase genes in elicitor-treated peanut hairy root cultures. Transcripts encoding five enzymes were identified, and two of these were functionally characterized in a transient expression system consisting of Agrobacterium-infiltrated leaves of Nicotiana benthamiana We observed that one of these prenyltransferases, AhR4DT-1, catalyzes a key reaction in the biosynthesis of prenylated stilbenoids, in which resveratrol is prenylated at its C-4 position to form arachidin-2, whereas another, AhR3'DT-1, added the prenyl group to C-3' of resveratrol. Each of these prenyltransferases was highly specific for stilbenoid substrates, and we confirmed their subcellular location in the plastid by fluorescence microscopy. Structural analysis of the prenylated stilbenoids suggested that these two prenyltransferase activities represent the first committed steps in the biosynthesis of a large number of prenylated stilbenoids and their derivatives in peanut. In summary, we have identified five candidate prenyltransferases in peanut and confirmed that two of them are stilbenoid-specific, advancing our understanding of this specialized enzyme family and shedding critical light onto the biosynthesis of bioactive stilbenoids.
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Affiliation(s)
- Tianhong Yang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, Arkansas 72401; Molecular Biosciences Graduate Program, Arkansas State University, Jonesboro, Arkansas 72401
| | - Lingling Fang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, Arkansas 72401
| | - Sheri Sanders
- Pervasive Technology Institute, Indiana University, Bloomington, Indiana 47408
| | - Srinivas Jayanthi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 47408
| | - Gayathri Rajan
- School of Informatics and Computing, Indiana University, Bloomington, Indiana 47408
| | - Ram Podicheti
- School of Informatics and Computing, Indiana University, Bloomington, Indiana 47408
| | | | - Keithanne Mockaitis
- Pervasive Technology Institute, Indiana University, Bloomington, Indiana 47408; Department of Biology, Indiana University, Bloomington, Indiana 47408
| | - Fabricio Medina-Bolivar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, Arkansas 72401; Department of Biological Sciences, Arkansas State University, Jonesboro, Arkansas 72401.
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Chen LG, Zhang YQ, Wu ZZ, Hsieh CW, Chu CS, Wung BS. Peanut arachidin-1 enhances Nrf2-mediated protective mechanisms against TNF-α-induced ICAM-1 expression and NF-κB activation in endothelial cells. Int J Mol Med 2017; 41:541-547. [PMID: 29115410 DOI: 10.3892/ijmm.2017.3238] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 10/19/2017] [Indexed: 11/05/2022] Open
Abstract
Arachidin-1 [trans-4-(3-methyl-1-butenyl)-3,5,3',4'-tetrahydroxystilbene] is a polyphenol produced by peanut kernels during germination. The aim of the present study was to investigate the mechanism underlying the anti-inflammatory effect of arachidin-1 in endothelial cells (ECs). The results of cell adhesion and western blotting assays demonstrated that arachidin-1 attenuated tumor necrosis factor (TNF)-α-induced monocyte/EC adhesion and intercellular adhesion molecule-1 (ICAM-1) expression. Arachidin-1 was demonstrated to exert its inhibitory effects by the attenuation of TNF-α-induced nuclear factor-κB (NF-κB) nuclear translocation and inhibitor of κB-α (IκBα) degradation. Furthermore, arachidin-1 upregulated nuclear factor-E2-related factor-2 (Nrf-2), a known mediator of phase II enzyme expression, and increased the transcriptional activity of antioxidant response element. Transfection of ECs with Nrf-2 siRNA blocked the inhibitory effect of arachidin-1 on ICAM-1 expression, NF-κB nuclear translocation and IκBα degradation. In addition, arachidin-1 induced the expression of the phase II enzymes thioredoxin-1, thioredoxin reductase-1, heme oxygenase-1, glutamyl-cysteine synthetase and glutathione S-transferase. Following arachidin-1 pretreatment, the H2O2-induced generation of reactive oxygen species was reduced. Therefore, the present results indicate that arachidin-1 suppresses TNF-α-induced inflammation in ECs through the upregulation of Nrf-2-related phase II enzyme expression.
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Affiliation(s)
- Lih-Geeng Chen
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
| | - Yu-Qi Zhang
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
| | - Zhi-Zhen Wu
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
| | - Chia-Wen Hsieh
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
| | - Chi-Shih Chu
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
| | - Being-Sun Wung
- Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi 600, Taiwan, R.O.C
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22
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Pyo KH, Lee YW, Lee SH, Xin CF, Shin JH, Shin EH. Preventive Effects of Resveratrol-enriched Extract of Peanut Sprout on Bacteria- and Estradiol-induced Prostatitis in Mice. Nat Prod Commun 2017. [DOI: 10.1177/1934578x1701200120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The present study investigated the effect of peanut sprout extract (PSE) as a natural resveratrol supplement on chronic bacterial prostatitis (CBP) and estradiol-induced benign prostatic hyperplasia (BPH). PSE contained a high level of resveratrol (148.51 ± 3.05 μg/g), and was tested on the mouse models of CBP (induced by Escherichia coli 292 infection) and BPH (induced by treatment with β-estradiol and dihydrotestosterone). PSE toxicity was assessed on the basis of changes in body weight, alanine aminotransferase activity (an indicator of hepatotoxicity), and expression of the kidney injury marker KIM-1. The effects of PSE on the histopathology of prostate tissue, the proportion of neutrophils, and immune cell profiles in the blood and spleen were examined. PSE administration did not result in any toxicity but reduced the bacterial burden and histopathological changes in the prostate. In addition, lymphocytes (CD4+, CD8+, and CD19+) in the spleen were significantly increased after PSE administration in CBP mice, suggesting immune enhancement. PSE treatment of bone marrow–derived macrophages increased the expression of CD40, which is related to the pro-inflammatory function and host defense against pathogens. It is concluded that PSE would be a good supplement for the mitigation of prostate hyperplasia and prostatitis.
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Affiliation(s)
- Kyoung-Ho Pyo
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, 103, Daehak-ro, Jongno-gu, Seoul 110–799, Republic of Korea
| | - You-Won Lee
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, 103, Daehak-ro, Jongno-gu, Seoul 110–799, Republic of Korea
| | - Sang-Hoon Lee
- Korea Food Research Institute, Baekhyun-dong, Seongnam, Gyeonggi-do 463–746, Republic of Korea
- Department of Food Biotechnology, University of Science and Technology, Daejeon 305–350, Republic of Korea
| | - Chun-Feng Xin
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, 103, Daehak-ro, Jongno-gu, Seoul 110–799, Republic of Korea
| | - Ji-Hun Shin
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, 103, Daehak-ro, Jongno-gu, Seoul 110–799, Republic of Korea
| | - Eun-Hee Shin
- Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine and Institute of Endemic Diseases, Seoul National University Medical Research Center, 103, Daehak-ro, Jongno-gu, Seoul 110–799, Republic of Korea
- Seoul National University Bundang Hospital, Seongnam, Gyeonggi-do 463–707, Republic of Korea
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23
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Weng BBC, Lin WS, Chang JC, Chiou RYY. The phytogestrogenic stilbenes, arachidin-1 and resveratrol, modulate regulatory T cell functions responsible for successful aging in aged ICR mice. Int J Mol Med 2016; 38:1895-1904. [PMID: 27840891 DOI: 10.3892/ijmm.2016.2792] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 10/10/2016] [Indexed: 11/05/2022] Open
Abstract
CD4+CD25+ regulatory T cells (Tregs) are recognized as a distinctive T helper cell population which controls immunosuppression during the maintenance of immunological self-tolerance and immunohomeostasis. Sex steroids modulate fundamental immune functions, including immune cell development, differentiation and polarization, and facilitate specific immunophysiological microenvironments, such as pregnancy. The supplementation of exogenous phytoestrogens is beneficial to post-menopausal women. Stilbenes are a potent group of phytoestrogens, of which resveratrol (Res) is a well-known representative exhibiting a variety of immunomodulatory activities, including the attenuation of autoimmune diseases and boosting anti-tumor immunity. In the present study, arachidin-1 (Ara‑1) and Res, primary stilbenes, enriched in peanut sprouts as phytoalexins, were investigated for their immunomodulatory properties for successful aging. We found that similar to 17-β-estradiol (E2), Ara‑1 or Res significantly inhibited concanavalin A (ConA)-activated lymphoblastogenesis of cell repertories from splenic or thymic origins. However, these inhibitory effects were partially reversed by the E2 receptor blocker, tamoxifen. While the ratios of the CD4+CD25+ cell population of ConA-activated T cell repertories were not significantly altered, treatment with E2, Ara‑1 or Res led to an increase in the number of cytotoxic T-lymphocyte associated protein 4 (CTLA-4; also known as CD152)-positive cells and in the gene expression levels of CTLA-4, Forkhead box P3 (FoxP3), interleukin (IL)-10 and transforming growth factor-β (TGF-β). When low (L-S-PNT) and high (H-S-PNT) levels of stilbene-enriched peanut sprout-fortified diets were provided ad libitum to 12‑week-old ICR mice for 48 weeks, their circulating Treg populations were assessed following magnetic bead enrichment. The gene expression levels of CTLA-4 and TGF-β were significantly (P<0.05) elevated, as assessed by semi-quantitative RT-PCR. The findings of the present study support the beneficial roles of the phytoestrogenic stilbenes, Res and Ara‑1, in facilitating a successful aging immune status which may attribute to longevity.
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Affiliation(s)
- Brian Bor-Chun Weng
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi, Taiwan, R.O.C
| | - Wen-Shin Lin
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi, Taiwan, R.O.C
| | - Ju-Chun Chang
- Department of Food Science, College of Life Sciences, National Chiayi University, Chiayi, Taiwan, R.O.C
| | - Robin Yih-Yuan Chiou
- Department of Food Science, College of Life Sciences, National Chiayi University, Chiayi, Taiwan, R.O.C
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24
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Green Synthesis of Silver Nanoparticles Using Arachis hypogaea (Ground Nut) Root Extract for Antibacterial and Clinical Applications. J CLUST SCI 2016. [DOI: 10.1007/s10876-016-1084-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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25
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SAENGLEE S, JOGLOY S, PATANOTHAI A, SENAWONG T. Cytotoxic effects of peanut phenolic compounds possessing histone deacetylase inhibitory activity on human colon cancer cell lines. Turk J Biol 2016. [DOI: 10.3906/biy-1601-23] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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26
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Lu Y, Shivappa N, Lin Y, Lagergren J, Hébert JR. Diet-related inflammation and oesophageal cancer by histological type: a nationwide case-control study in Sweden. Eur J Nutr 2015; 55:1683-94. [PMID: 26189130 DOI: 10.1007/s00394-015-0987-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 07/03/2015] [Indexed: 12/29/2022]
Abstract
PURPOSE This project sought to test the role of diet-related inflammation in modulating the risk of oesophageal cancer. METHODS A nationwide population-based case-control study was conducted from 1 December 1994 through 31 December 1997 in Sweden. All newly diagnosed patients with adenocarcinoma of the oesophagus or gastroesophageal junction and a randomly selected half of patients with oesophageal squamous cell carcinoma were eligible as cases. Using the Swedish Registry of the Total Population, the control group was randomly selected from the entire Swedish population and frequency-matched on age (within 10 years) and sex. The literature-derived dietary inflammatory index (DII) was developed to describe the inflammatory potential of diet. DII scores were computed based on a food frequency questionnaire. Higher DII scores indicate more pro-inflammatory diets. Odds ratios and 95 % confidence intervals (CI) were computed to assess risk associated between DII scores and oesophageal cancer using logistic regression adjusted by potential confounders. RESULTS In total, 189 oesophageal adenocarcinomas, 262 gastroesophageal junctional adenocarcinomas, 167 oesophageal squamous cell carcinomas, and 820 control subjects were recruited into the study. Significant associations with DII were observed for oesophageal squamous cell carcinoma (ORQuartile4vs1 4.35, 95 % CI 2.24, 8.43), oesophageal adenocarcinoma (ORQuartile4vs1 3.59, 95 % CI 1.87, 6.89), and gastroesophageal junctional adenocarcinoma (ORQuartile4vs1 2.04, 95 % CI 1.24, 3.36). Significant trends across quartiles of DII were observed for all subtypes of oesophageal cancer. CONCLUSIONS Diet-related inflammation appears to be associated with an increased risk of oesophageal cancer, regardless of histological type.
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Affiliation(s)
- Yunxia Lu
- Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76, Stockholm, Sweden.
- Department of Epidemiology and Biostatistics, Imperial College London, London, UK.
| | - Nitin Shivappa
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, USA
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Yulan Lin
- Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76, Stockholm, Sweden
- European Palliative Care Research Centre, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Jesper Lagergren
- Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76, Stockholm, Sweden
- Division of Cancer Studies, King's College London, London, UK
| | - James R Hébert
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, USA
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
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27
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Yang T, Fang L, Nopo-Olazabal C, Condori J, Nopo-Olazabal L, Balmaceda C, Medina-Bolivar F. Enhanced Production of Resveratrol, Piceatannol, Arachidin-1, and Arachidin-3 in Hairy Root Cultures of Peanut Co-treated with Methyl Jasmonate and Cyclodextrin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:3942-50. [PMID: 25837778 DOI: 10.1021/jf5050266] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Peanut (Arachis hypogaea) produces stilbenoids upon exposure to abiotic and biotic stresses. Among these compounds, the prenylated stilbenoids arachidin-1 and arachidin-3 have shown diverse biological activities with potential applications in human health. These compounds exhibit higher or novel biological activities in vitro when compared to their nonprenylated analogues piceatannol and resveratrol, respectively. However, assessment of these bioactivities in vivo has been challenging because of their limited availability. In this study, hairy root cultures of peanut were induced to produce stilbenoids upon treatment with elicitors. Co-treatment with 100 μM methyl jasmonate (MeJA) and 9 g/L methyl-β-cyclodextrin (CD) led to sustained high levels of resveratrol, piceatannol, arachidin-1, and arachidin-3 in the culture medium when compared to other elicitor treatments. The average yields of arachidin-1 and arachidin-3 were 56 and 148 mg/L, respectively, after co-treatment with MeJA and CD. Furthermore, MeJA and CD had a synergistic effect on resveratrol synthase gene expression, which could explain the higher yield of resveratrol when compared to treatment with either MeJA or CD alone. Peanut hairy root cultures were shown to be a controlled and sustainable axenic system for the production of the diverse types of biologically active stilbenoids.
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Affiliation(s)
- Tianhong Yang
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Lingling Fang
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Cesar Nopo-Olazabal
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Jose Condori
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Luis Nopo-Olazabal
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Carlos Balmaceda
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
| | - Fabricio Medina-Bolivar
- †Arkansas Biosciences Institute, ‡Molecular Biosciences Graduate Program, and #Department of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States
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28
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Abstract
Peanuts are important dietary food source of resveratrol with potent antioxidant properties implicated in reducing risk of cancer, cardiovascular and Alzheimer's disease, and delaying aging. Resveratrol is a naturally occurring stilbene phytoalexin phenolic compound produced in response to a variety of biotic and abiotic stresses. This paper is a review of trans-resveratrol and related stilbenes from peanuts--their chemical structures, mechanisms for their biosynthesis, and concentrations in comparison with other major food sources. It will also discuss trans-resveratrol's absorption, bioavailability, and major health benefits; processes to enhance their biosynthesis in peanuts by biotic and abiotic stresses; process optimization for enhanced levels in peanuts and their potential food applications; and methods used for its extraction and analysis.
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Affiliation(s)
- Jocelyn M Sales
- a Department of Food Science and Technology, The University of Georgia , Griffin , GA , 30223-1797 , USA
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29
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Akhtar S, Khalid N, Ahmed I, Shahzad A, Suleria HAR. Physicochemical Characteristics, Functional Properties, and Nutritional Benefits of Peanut Oil: A Review. Crit Rev Food Sci Nutr 2014; 54:1562-75. [PMID: 24580558 DOI: 10.1080/10408398.2011.644353] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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30
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Hartung A, Beutler JA, Navarro HA, Wiemer DF, Neighbors JD. Stilbenes as κ-selective, non-nitrogenous opioid receptor antagonists. JOURNAL OF NATURAL PRODUCTS 2014; 77:311-319. [PMID: 24456556 PMCID: PMC3993902 DOI: 10.1021/np4009046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Indexed: 06/03/2023]
Abstract
The natural stilbene pawhuskin A has been shown to function as an opioid receptor antagonist, with preferential binding to the κ receptor. This finding encouraged assembly of a set of analogues to probe the importance of key structural features. Assays on these compounds determined that one (compound 29) shows potent opioid receptor binding activity and significantly improved selectivity for the κ receptor. These studies begin to illuminate the structural features of these non-nitrogenous opioid receptor antagonists that are required for activity.
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Affiliation(s)
- Alyssa
M. Hartung
- Department
of Chemistry, The University of Iowa, Chemistry Building, Iowa City, Iowa 52242, United States
| | - John A. Beutler
- Molecular
Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Hernán A. Navarro
- Discovery
Sciences, RTI International, Research
Triangle Park, North Carolina 27709, United States
| | - David F. Wiemer
- Department
of Chemistry, The University of Iowa, Chemistry Building, Iowa City, Iowa 52242, United States
| | - Jeffrey D. Neighbors
- Department
of Chemistry, The University of Iowa, Chemistry Building, Iowa City, Iowa 52242, United States
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31
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Liu Z, Wu J, Huang D. New stilbenoids isolated from fungus-challenged black skin peanut seeds and their adipogenesis inhibitory activity in 3T3-L1 cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:4155-4161. [PMID: 23560846 DOI: 10.1021/jf400144s] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
One new stilbene derivative (3,5,3'-trihydroxy-4'-methoxy-5'-isopentenylstilbene, MIP) and two new stilbene dimers (arahypin-11 and arahypin-12) together with three known stilbenoids (arachidin-1, arachidin-3, and SB-1) were isolated from black skin peanut seeds challenged by the fungal strain Rhizopus oligoporus . The structures of the three new compounds were elucidated by analysis of HRESIMS, UV, 1D and 2D NMR spectra. The antiadipogenic and cytotoxic effects of the isolated compounds were investigated using 3T3-L1 cells at a concentration range of 1-10 μM. Among the compounds tested, arachidin-1 inhibited the 3T3-L1 adipocyte differentiation dose-dependently, whereas arahypin-11 and arahypin-12 exhibited significant cytotoxicity in 3T3-L1 preadipocytes.
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Affiliation(s)
- Zhongwei Liu
- Food Science and Technology Programme, ‡Department of Chemistry, National University of Singapore , 3 Science Drive 3, Singapore 117543, Singapore
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32
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Ko JC, Huang YC, Chen HJ, Tseng SC, Chiu HC, Wo TY, Huang YJ, Weng SH, Chiou RYY, Lin YW. Metformin induces cytotoxicity by down-regulating thymidine phosphorylase and excision repair cross-complementation 1 expression in non-small cell lung cancer cells. Basic Clin Pharmacol Toxicol 2013; 113:56-65. [PMID: 23362830 DOI: 10.1111/bcpt.12052] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 01/02/2013] [Indexed: 01/22/2023]
Abstract
Metformin is an antidiabetic drug recently shown to inhibit cancer cell proliferation and growth, although the involved molecular mechanisms have not been elucidated. In many cancer cells, high expression of thymidine phosphorylase (TP) and Excision repair cross-complementation 1 (ERCC1) is associated with poor prognosis. We used A549 and H1975 human non-small cell lung cancer (NSCLC) cell lines to investigate the role of TP and ERCC1 expression in metformin-induced cytotoxicity. Metformin treatment decreased cellular TP and ERCC1 protein and mRNA levels by down-regulating phosphorylated MEK1/2-ERK1/2 protein levels in a dose- and time-dependent manner. The enforced expression of the constitutively active MEK1 (MEK1-CA) vectors significantly restored cellular TP and ERCC1 protein levels and cell viability. Specific inhibition of TP and ERCC1 expression by siRNA enhanced the metformin-induced cytotoxicity and growth inhibition. Arachidin-1, an antioxidant stilbenoid, further decreased TP and ERCC1 expression and augmented metformin's cytotoxic effect, which was abrogated in lung cancer cells transfected with MEK1/2-CA expression vector. In conclusion, metformin induces cytotoxicity by down-regulating TP and ERCC1 expression in NSCLC cells.
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Affiliation(s)
- Jen-Chung Ko
- Department of Internal Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Taiwan
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33
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Sobolev VS. Production of phytoalexins in peanut (Arachis hypogaea) seed elicited by selected microorganisms. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:1850-1858. [PMID: 23387286 DOI: 10.1021/jf3054752] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Under favorable conditions, the peanut plant demonstrates appreciable resistance to fungal invasion by producing and accumulating phytoalexins, antimicrobial stilbenoids. This mechanism for resistance is little understood, yet it is crucial for breeding and genetically modifying peanut plants to develop new cultivars with fungal resistance. The dynamics of phytoalexin production in peanut seeds and embryos challenged by selected important fungi and bacteria was investigated. Different biotic agents selectively elicited production of major peanut stilbenoids, resveratrol, arachidin-1, arachidin-3, and SB-1. Aspergillis species, compared to other biotic agents, were more potent elicitors of stilbenoids. Embryos demonstrated significantly higher production of stilbenoids compared to cotyledons and may serve as a convenient source of genetic material in isolating genes for peanut plant defense enhancement.
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Affiliation(s)
- Victor S Sobolev
- National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Dawson, Georgia 39842, United States.
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34
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Storage Stability of Whole and Nibbed, Conventional and High Oleic Peanuts (Arachis hypogeae L.). FOOD BIOPROCESS TECH 2013. [DOI: 10.1007/s11947-012-1033-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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35
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Mikulski D, Molski M. A quantum chemical study on the antioxidant activity of bioactive polyphenols from peanut (Arachis hypogaea) and the major metabolites of trans-resveratrol. COMPUT THEOR CHEM 2012. [DOI: 10.1016/j.comptc.2011.11.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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36
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Brents LK, Medina-Bolivar F, Seely KA, Nair V, Bratton SM, Nopo-Olazabal L, Patel RY, Liu H, Doerksen RJ, Prather PL, Radominska-Pandya A. Natural prenylated resveratrol analogs arachidin-1 and -3 demonstrate improved glucuronidation profiles and have affinity for cannabinoid receptors. Xenobiotica 2011; 42:139-56. [PMID: 21970716 DOI: 10.3109/00498254.2011.609570] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
RATIONALE The therapeutic promise of trans-resveratrol (tRes) is limited by poor bioavailability following rapid metabolism. We hypothesise that trans-arachidin-1 (tA1) and trans-arachidin-3 (tA3), peanut hairy root-derived isoprenylated analogs of tRes, will exhibit slower metabolism/enhanced bioavailability and retain biological activity via cannabinoid receptor (CBR) binding relative to their non-prenylated parent compounds trans-piceatannol (tPice) and tRes, respectively. RESULTS The activities of eight human UDP-glucuronosyltransferases (UGTs) toward these compounds were evaluated. The greatest activity was observed for extrahepatic UGTs 1A10 and 1A7, followed by hepatic UGTs 1A1 and 1A9. Importantly, an additional isoprenyl and/or hydroxyl group in tA1 and tA3 slowed overall glucuronidation. CBR binding studies demonstrated that all analogs bound to CB1Rs with similar affinities (5-18 µM); however, only tA1 and tA3 bound appreciably to CB2Rs. Molecular modelling studies confirmed that the isoprenyl moiety of tA1 and tA3 improved binding affinity to CB2Rs. Finally, although tA3 acted as a competitive CB1R antagonist, tA1 antagonised CB1R agonists by both competitive and non-competitive mechanisms. CONCLUSIONS Prenylated stilbenoids may be preferable alternatives to tRes due to increased bioavailability via slowed metabolism. Similar structural analogs might be developed as novel CB therapeutics for obesity and/or drug dependency.
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Affiliation(s)
- Lisa K Brents
- Arkansas Biosciences Institute, Arkansas State University, AR, USA
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37
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Lopes RM, Agostini-Costa TDS, Gimenes MA, Silveira D. Chemical composition and biological activities of Arachis species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:4321-4330. [PMID: 21425852 DOI: 10.1021/jf104663z] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Arachis hypogaea , known as the peanut, is native to South America. Peanut contains several active components including flavonoids, phenolic acids, phytosterols, alkaloids, and stilbenes. Some therapeutic effects have been reported for peanut seed extracts, such as antioxidative, antibacterial, antifungal, and anti-inflammatory activities. This paper aims to give an overview of the chemical composition, focusing on secondary metabolites, and of the biological activity of A. hypogaea, to stimulate new studies about species of the Arachis genus.
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Affiliation(s)
- Renata Miranda Lopes
- Faculdade de Ciências da Saúde, Universidade de Brasília , Campus Universitário Darcy Ribeiro, Asa Norte, Brasília DF, Brazil
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38
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Sobolev VS, Khan SI, Tabanca N, Wedge DE, Manly SP, Cutler SJ, Coy MR, Becnel JJ, Neff SA, Gloer JB. Biological activity of peanut (Arachis hypogaea) phytoalexins and selected natural and synthetic Stilbenoids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:1673-82. [PMID: 21314127 PMCID: PMC3063522 DOI: 10.1021/jf104742n] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The peanut plant (Arachis hypogaea L.), when infected by a microbial pathogen, is capable of producing stilbene-derived compounds that are considered antifungal phytoalexins. In addition, the potential health benefits of other stilbenoids from peanuts, including resveratrol and pterostilbene, have been acknowledged by several investigators. Despite considerable progress in peanut research, relatively little is known about the biological activity of the stilbenoid phytoalexins. This study investigated the activities of some of these compounds in a broad spectrum of biological assays. Since peanut stilbenoids appear to play roles in plant defense mechanisms, they were evaluated for their effects on economically important plant pathogenic fungi of the genera Colletotrichum, Botrytis, Fusarium, and Phomopsis. We further investigated these peanut phytoalexins, together with some related natural and synthetic stilbenoids (a total of 24 compounds) in a panel of bioassays to determine their anti-inflammatory, cytotoxic, and antioxidant activities in mammalian cells. Several of these compounds were also evaluated as mammalian opioid receptor competitive antagonists. Assays for adult mosquito and larvae toxicity were also performed. The results of these studies reveal that peanut stilbenoids, as well as related natural and synthetic stilbene derivatives, display a diverse range of biological activities.
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Affiliation(s)
- Victor S Sobolev
- National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture , Dawson, Georgia 39842, United States.
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Huang CP, Au LC, Chiou RYY, Chung PC, Chen SY, Tang WC, Chang CL, Fang WH, Lin SB. Arachidin-1, a peanut stilbenoid, induces programmed cell death in human leukemia HL-60 cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:12123-12129. [PMID: 21067217 DOI: 10.1021/jf102993j] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The stilbenoids, arachidin-1 (Ara-1), arachidin-3, isopentadienylresveratrol, and resveratrol, have been isolated from germinating peanut kernels and characterized as antioxidant and anti-inflammatory agents. Resveratrol possesses anticancer activity, and studies have indicated that it induces programmed cell death (PCD) in human leukemia HL-60 cells. In this study, the anticancer activity of these stilbenoids was determined in HL-60 cells. Ara-1 had the highest efficacy in inducing PCD in HL-60 cells, with an approximately 4-fold lower EC50 than resveratrol. Ara-1 treatment caused mitochondrial membrane damage, activation of caspases, and nuclear translocation of apoptosis-inducing factor, resulting in chromosome degradation and cell death. Therefore, Ara-1 induces PCD in HL-60 cells through caspase-dependent and caspase-independent pathways. Ara-1 demonstrates its efficacy as an anticancer agent by inducing caspase-independent cell death, which is an alternative death pathway of cancer cells with mutations in key apoptotic genes. These findings indicate the merits of screening other peanut stilbenoids for anticancer activity.
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Affiliation(s)
- Cheng-Po Huang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan, Republic of China
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40
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Yang MH, Lin YJ, Kuo CH, Ku KL. Medicinal mushroom Ganoderma lucidum as a potent elicitor in production of t-resveratrol and t-piceatannol in peanut calluses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:9518-22. [PMID: 20687553 DOI: 10.1021/jf102107p] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Phytoalexins t-resveratrol and t-piceatannol, the well-known health-promoting active components in plants, are secondary metabolites generated upon biotic or abiotic stresses. We have reported UV-irradiated peanut callus is a potent means to produce these compounds (J. Agric. Food Chem. 2005, 53, 3877). In this work, the effects of fungi and chemical elicitors on induction of t-resveratrol and t-piceatannol were examined. Results showed the investigated fungi Botryodiplodia theobromae and Reishi Ganoderma lucidum were generally more effective than chemical stress methyl jasmonate, salicylic acid, and sucrose. As high as 15.46+/-9.85 microg of t-resveratrol and 6.93+/-2.03 microg of t-piceatannol could be elicited in each gram of callus by sterilized G. lucidum mycelium (80 mg). Although much more sterilized G. ludicum mycelia was required to induce similar level of t-resveratrol and t-piceatannol in comparison to the sterilized B. theobromae mycelia (1 mg), uptake of the G. ludicum mycelium may provide a variety of health-promoting effects. Our findings suggest G. ludicum mycelium-treated peanut callus is a good source of bioactive components.
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Affiliation(s)
- Ming-Hua Yang
- Department of Food Technology, Hungkuang University, 34 Chung-Chie Road, Shalu, Taichung 433, Taiwan
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41
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Yang MH, Kuo CH, Hsieh WC, Ku KL. Investigation of microbial elicitation of trans-resveratrol and trans-piceatannol in peanut callus led to the application of chitin as a potential elicitor. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:9537-9541. [PMID: 20704182 DOI: 10.1021/jf1022725] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
It is well-known that the invasion of microbes such as fungi in some plants, including peanut, can induce the biosynthesis of stilbenoids such as trans-resveratrol and trans-piceatannol. However, in a recent study it was found that not all kinds of microorganisms possessed such potential. The Gram-negative bacterium Pseudochrobactrum asaccharolyticum isolated from the peanut callus failed to act as an elicitor. After systematic investigation, the different inductive effects between fungi and Gram-negative bacteria were attributed to the chitin content of the cell wall. Results showed significantly more trans-resveratrol and trans-piceatannol was induced by fungi (8.92-16.35 and 2.15-7.01 microg/g of fresh calluses, respectively) than by bacteria (1.77-2.72 and 0.16-0.52 microg/g of fresh calluses, respectively), regardless of species and viability. Such great differences prompted the direct utilization of chitin, the distinctive component of fungal cell wall, as an elicitor. The results that trans-resveratrol induced by chitin was about two-thirds the amount induced by sterilized fungi, whereas trans-piceatannol (2.55+/-0.60 microg/g) was close to that by sterilized fungi, revealed chitin is not only an important fungal constituent responsible for the induction of trans-resveratrol and trans-piceatannol but also an efficient elicitor by itself. These findings suggested sterilized fungi and chitin can be used as a safe and fast elicitor, as far as the risk of viable microbes is concerned, to induce trans-resveratrol and trans-piceatannol in the well-controlled peanut tissue culture.
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Affiliation(s)
- Ming-Hua Yang
- Department of Food Technology, Hungkuang University, 34 Chung-Chie Road, Shalu, Taichung 433, Taiwan
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Abbott JA, Medina-Bolivar F, Martin EM, Engelberth AS, Villagarcia H, Clausen EC, Carrier DJ. Purification of resveratrol, arachidin-1, and arachidin-3 from hairy root cultures of peanut (Arachis hypogaea) and determination of their antioxidant activity and cytotoxicity. Biotechnol Prog 2010; 26:1344-51. [DOI: 10.1002/btpr.454] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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43
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Condori J, Sivakumar G, Hubstenberger J, Dolan MC, Sobolev VS, Medina-Bolivar F. Induced biosynthesis of resveratrol and the prenylated stilbenoids arachidin-1 and arachidin-3 in hairy root cultures of peanut: Effects of culture medium and growth stage. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2010; 48:310-8. [PMID: 20138774 DOI: 10.1016/j.plaphy.2010.01.008] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2009] [Revised: 01/08/2010] [Accepted: 01/12/2010] [Indexed: 05/23/2023]
Abstract
Previously, we have shown that hairy root cultures of peanut provide a controlled, sustainable and scalable production system that can be induced to produce stilbenoids. However to leverage peanut hairy roots to study the biosynthesis of this polyphenolic biosynthetic pathway, growing conditions and elicitation kinetics of these tissue cultures must be defined and understood. To this end, a new peanut cv. Hull hairy root (line 3) that produces resveratrol and its prenylated analogues arachidin-1 and arachidin-3 upon sodium acetate-mediated elicitation was established. Two culture media were compared for impact on root growth and stilbenoid biosynthesis/secretion. The levels of ammonium, nitrate, phosphate and residual sugars were monitored along growth and elicitation period. A modified MS (MSV) medium resulted in higher root biomass when compared to B5 medium. The stilbenoid profile after elicitation varied depending on the age of the culture (6, 9, 12, and 15-day old). After elicitation at day 9 (exponential growth in MSV medium), over 90% of the total resveratrol, arachidin-1 and arachidin-3 accumulated in the medium. Our studies demonstrate the benefits of the hairy root culture system to study the biosynthesis of stilbenoids including valuable prenylated polyphenolic compounds.
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Affiliation(s)
- Jose Condori
- Arkansas Biosciences Institute, Arkansas State University, P.O. Box 639, State University, AR 72467, USA
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Weng YL, Liao HF, Li AFY, Chang JC, Chiou RYY. Oral administration of resveratrol in suppression of pulmonary metastasis of BALB/c mice challenged with CT26 colorectal adenocarcinoma cells. Mol Nutr Food Res 2009; 54:259-67. [DOI: 10.1002/mnfr.200900049] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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45
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Larrosa M, Yañéz-Gascón MJ, Selma MV, González-Sarrías A, Toti S, Cerón JJ, Tomás-Barberán F, Dolara P, Espín JC. Effect of a low dose of dietary resveratrol on colon microbiota, inflammation and tissue damage in a DSS-induced colitis rat model. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:2211-2220. [PMID: 19228061 DOI: 10.1021/jf803638d] [Citation(s) in RCA: 247] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The naturally occurring polyphenol resveratrol has been acknowledged with health-beneficial properties. Most of the studies dealing with its in vivo effects assay huge doses, not representative from a dietary point of view. Our aim was to ascertain whether resveratrol can exert anti-inflammatory activity in vivo at an attainable dietary dose. Rats were fed with 1 mg of resveratrol/kg/day (a human equivalent dose) for 25 days, and in the last 5 days, 5% dextran sulfate sodium (DSS) was administered to induce colitis. Effects on colon tissue damage, gut microbiota, reactive oxygen species, inflammatory markers and nitric oxide production as well as gene expression profile with microarrays were evaluated. Resveratrol increased lactobacilli and bifidobacteria as well as diminished the increase of enterobacteria upon DSS treatment. Resveratrol significantly protected the colonic mucosa architecture, reduced body weight loss, diminished the induced anemia and reduced systemic inflammation markers, colonic mucosa prostaglandin E(2), cycloxygenase-2, prostaglandin E synthase and nitric oxide levels. In addition, the expression of 2,655 genes in distal colon mucosa related to important pathways was varied. These results reinforce the concept of resveratrol as a dietary beneficial compound in intestinal inflammation at doses possibly attainable with resveratrol-enriched nutraceuticals.
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Affiliation(s)
- Mar Larrosa
- Department of Preclinical and Clinical Pharmacology, University of Florence, Florence, Italy
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Abstract
Peanut is one of the most widely used legumes due to its nutrition and taste. The fact that is has been recognized recently as a functional food, its evaluation for its role in a heart-healthy diet has received tremendous attention. Functional compounds have been isolated, identified, quantified, and even enhanced to maximize the amount for adequate health benefits. The peanut industry's byproducts such as peanut hulls and shells, skins, and even leaves and roots have also been identified as possible sources of bioactive compounds. New uses for these underutilized renewable sources can create new market opportunities and increase the value of agricultural residues.
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Lin SF, Ong PL, Jhou CR, Chiou RYY. Purification, identification, and characterization of peanut isocitrate lyase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:1845-1851. [PMID: 18271541 DOI: 10.1021/jf0729457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Isocitrate lyase (ICL, EC 4.1.3.1) is commonly present in oil-rich seeds in catalyzing the cleavage of isocitrate to glyoxylate and succinate and plays an essential role in lipid metabolism and gluconeogenesis. When peanut kernels (Tainan 14) were germinated at 30 degrees C, the cotyledon ICL activities increased substantially in the initial 4 days, and the 4-day-germinated cotyledons were subjected to ICL purification by Tris-HCl buffer extraction, heat treatment at 55 degrees C for 1 h, (NH4)2SO4 fractionation at 25-35% saturation, DEAE-cellulose chromatography, and Sephacryl S-300 gel filtration. A single 64 kDa SDS-PAGE protein band was obtained with 7.7% recovery and 37.5-fold purity. It was identified as ICL by LC-MS/MS analyses and Mascot Search with 494 as the highest Probability Based Mowse Score (PBMS). On the basis of the sequence of the homologous ICL of Glycine max, 26% of the peptide sequences of the peanut ICL were identified. During gel filtration, separation of peanut catalase (identified by LC-MS/MS and Mascot Search with 405 as the highest PBMS) from peanut ICL was achieved. The highest measured peanut ICL enzymatic activities were obtained at 45 degrees C and pH 7.0-7.8, respectively. The enzyme activities were stable (>80%) as stored for 8 h at 30 degrees C, 15 days at 4 degrees C, or 60 days at -25 degrees C. As affected by the supplements in the reactants for activity determinations, ICL activity was not affected by glucose up to 4%, sucrose up to 5%, or ethanol up to 8.33%.
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Affiliation(s)
- Shing-Fei Lin
- Department of Food Science, National Chiayi University, Chiayi, Taiwan
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