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Changes in Antioxidant Properties and Phenolics in Sweet Potatoes ( Ipomoea batatas L.) Due to Heat Treatments. Molecules 2022; 27:molecules27061884. [PMID: 35335244 PMCID: PMC8950918 DOI: 10.3390/molecules27061884] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 01/27/2023] Open
Abstract
Processing is one of the most crucial factors affecting polyphenol content in foods. Therefore, the study is aimed at the evaluation of heat treatment effects (microwaving, steaming, baking, and boiling) on the content of chlorogenic acids, total polyphenols, and antioxidant activity of three varieties of sweet potato with different flesh colors (Beauregard—orange-fleshed, O’Henry—white-fleshed, 414-purple—purple-fleshed). According to high performance liquid chromatography analysis, chlorogenic acid was the predominant chlorogenic acid in sweet potatoes. Obtained results also suggested the purple-fleshed variety (414-purple) had significantly (p < 0.05) higher total polyphenol content and thus the highest antioxidant activity. Heat treatment positively influenced the chlorogenic acid content, total polyphenols, and antioxidant activity of sweet potatoes. Among the used methods, steaming had the greatest effect on the chlorogenic acids and total polyphenols, while microwaved samples showed the highest antioxidant activity (DPPH). The content of chlorogenic acids and total polyphenols decreased in the order of steaming > baking > microwaving > boiling > raw. However, the individual varieties differed not only in the flesh color but also in the reaction to the used heat treatment methods. Spearman’s correlation coefficient showed a strong correlation between chlorogenic acid and antioxidant activity.
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Nag R, Cummins E. Human health risk assessment of lead (Pb) through the environmental-food pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 810:151168. [PMID: 34710405 DOI: 10.1016/j.scitotenv.2021.151168] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/08/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
Drinking water and farm-to-fork pathways have been identified as the predominant environmental pathways associated with human exposure (HE) to Pb. This study integrates a GIS-based survey of metal concentrations in soil and a probabilistic quantitative risk assessment of Pb through the food chain. The case study area was selected in the east of Ireland. A step-wise exposure assessment collated the data for Pb concentration in soil and water media, bioaccumulation of Pb in unprocessed food products, such as potatoes, carrots, green vegetables, and salad vegetables. The daily mean HE to Pb through selected food products was found to be 0.073 mg day-1, where a mean weekly exposure was estimated as 0.0065 mg kg body weight-1 week-1. Multiple risk estimates were used. Hazard Quotient (HQ), Daily Dietary Index (DDI), Daily Intake of Metal (DIM), Health Risk Index (HRI), Target Hazard Quotient (THQ) and Cancer Risk (CR) were found as 0.234 to 0.669, 0.002, 0.0002, 0.020 to 0.057, 0.234 to 0.669, and 0.00001, respectively which signify a low to moderate risk. A sensitivity analysis revealed that intake of potato is the most sensitive parameter of the model, which is positively correlated (coeff. + 0.66) followed by concentration of Pb in the arable soil (+0.49), bioaccumulation in tubers (+0.37), consumption of salad vegetables (+0.20), and consumption of green vegetables (+0.13) (top 5). A back-calculated limit of Pb in the soil (51 mg kg-1) justifies the lower threshold limit of Pb (50-300 mg kg-1) in agricultural soil set by the European Union to mitigate potential bio-transfer into food products. The study concludes there is a low to moderate risk posed by Pb, within the system boundary of the probabilistic model, and highlights the significance of limiting Pb concentrations in the vegetable producing agricultural soil.
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Affiliation(s)
- Rajat Nag
- University College Dublin School of Biosystems and Food Engineering, Belfield, Dublin 4, Ireland.
| | - Enda Cummins
- University College Dublin School of Biosystems and Food Engineering, Belfield, Dublin 4, Ireland
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Zhang Y, Yang G, Wang X, Ni G, Cui Z, Yan Z. Sagittaria trifolia tuber: bioconstituents, processing, products, and health benefits. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:3085-3098. [PMID: 33270242 DOI: 10.1002/jsfa.10977] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/12/2020] [Accepted: 12/03/2020] [Indexed: 06/12/2023]
Abstract
Sagittaria trifolia is an aquatic plant that is distributed worldwide. The edible tuber part of S. trifolia is a very common and popular vegetable in China. The aim of the present review is to discuss the discovery of nutraceuticals from S. trifolia tuber by reviewing its major constituents, food processing, food products, and health-promoting benefits. Sagittaria trifolia tuber comprises a series of nutritional and bioactive constituents, including dietary fibers, amino acids, minerals, starches, non-starch polysaccharides, diterpenoids, colchicine, phenols, and organic acids. Food processing affects its flavor, biocomponents, and bioactivity. Numerous S. trifolia tuber-based food products and nutraceuticals have been developed, but new categories of products and the anticipated functions still need to be explored. The non-starch polysaccharides could be the central ingredients that contribute to the plant's antioxidant, hepatoprotective, hypoglycemic, lipid-regulating, and immunostimulatory properties. Of these, antioxidant and hepatoprotective effects have been thoroughly investigated. Procedures for the extraction and purification of polysaccharides influence their health-promoting actions. Overall, S. trifolia tuber is an underutilized aquatic vegetable species that is an emerging subject for nutraceutical research. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Yang Zhang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, China
| | - Guihong Yang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, China
| | - Xinyu Wang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, China
| | - Gaoyang Ni
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, China
| | - Zhumei Cui
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, China
| | - Zhaowei Yan
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, China
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Dril AA, Sapozhnikov AN. Study of physicochemical changes and microbiological parameters of semi-finished potato products after electron-beam sterilization. PROCEEDINGS OF UNIVERSITIES. APPLIED CHEMISTRY AND BIOTECHNOLOGY 2021. [DOI: 10.21285/2227-2925-2020-10-4-666-677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Kourouma V, Mu T, Zhang M, Sun H. Comparative study on chemical composition, polyphenols, flavonoids, carotenoids and antioxidant activities of various cultivars of sweet potato. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14336] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Vamougne Kourouma
- Laboratory of Food Chemistry and Nutrition Science Institute of Food Science and Technology Key Laboratory of Agro‐Products Processing, Ministry of Agriculture and Rural Affairs Chinese Academy of Agricultural Sciences No. 2 Yuan Ming Yuan West RoadHaidian District, P.O. Box 5109 Beijing 100193 China
| | - Tai‐Hua Mu
- Laboratory of Food Chemistry and Nutrition Science Institute of Food Science and Technology Key Laboratory of Agro‐Products Processing, Ministry of Agriculture and Rural Affairs Chinese Academy of Agricultural Sciences No. 2 Yuan Ming Yuan West RoadHaidian District, P.O. Box 5109 Beijing 100193 China
| | - Miao Zhang
- Laboratory of Food Chemistry and Nutrition Science Institute of Food Science and Technology Key Laboratory of Agro‐Products Processing, Ministry of Agriculture and Rural Affairs Chinese Academy of Agricultural Sciences No. 2 Yuan Ming Yuan West RoadHaidian District, P.O. Box 5109 Beijing 100193 China
| | - Hong‐Nan Sun
- Laboratory of Food Chemistry and Nutrition Science Institute of Food Science and Technology Key Laboratory of Agro‐Products Processing, Ministry of Agriculture and Rural Affairs Chinese Academy of Agricultural Sciences No. 2 Yuan Ming Yuan West RoadHaidian District, P.O. Box 5109 Beijing 100193 China
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dos Santos AM, Lima JS, dos Santos IF, Silva EF, de Santana FA, de Araujo DG, dos Santos LO. Mineral and centesimal composition evaluation of conventional and organic cultivars sweet potato (Ipomoea batatas (L.) Lam) using chemometric tools. Food Chem 2019; 273:166-171. [DOI: 10.1016/j.foodchem.2017.12.063] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 12/02/2017] [Accepted: 12/16/2017] [Indexed: 01/17/2023]
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Andre CM, Burgos G, Ziebel J, Guignard C, Hausman JF, Felde TZ. In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato ( Ipomoea batatas (L.) Lam.) clones grown in Peru. J Food Compost Anal 2018. [DOI: 10.1016/j.jfca.2017.07.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Vizzotto M, Pereira EDS, Castro LASD, Raphaelli CDO, Krolow AC. Composição mineral em genótipos de batata-doce de polpas coloridas e adequação de consumo para grupos de risco. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2017. [DOI: 10.1590/1981-6723.17516] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Resumo Este estudo objetivou quantificar minerais presentes em genótipos de batata-doce de polpa colorida, selecionados e cultivados pela Embrapa (Empresa Brasileira de Pesquisa Agropecuária), no sul do Rio Grande do Sul, bem como verificar o percentual de adequação de consumo em grupos de risco nutricional. Genótipos de batata-doce cultivados no Banco Ativo de Germoplasma ‒ polpa branca (Rubissol, ILS 12, ILS 10, ILS 24); polpa creme (Cuia, ILS 03, ILS 44); polpa amarela/laranja (Amélia e Beauregard); polpa roxa (ILS 56, ILS 16 e ILS 71) ‒ foram analisados em triplicata. Os minerais foram quantificados por espectrometria de absorção atômica e os resultados foram expressos em miligrama do mineral correspondente a 100 g-1 de amostra úmida. Cálculos dos percentuais de adequação da ingestão diária recomendada de cada genótipo para grupos de risco (crianças entre 4 e 8 anos e gestantes entre 19 e 30 anos), com base no consumo de uma porção média de 200 g diários, foram realizados. As batatas-doces apresentaram grande variação na quantidade de minerais entre os genótipos e o potássio foi o mais abundante em todos estes, com destaque para os genótipos ILS 44, ILS 56 e ILS 71. Os genótipos de coloração roxa se sobressaíram na quantidade de potássio e os de coloração creme, na quantidade de fósforo. O consumo de uma porção média de 200 g de qualquer uma das batatas-doces forneceria 28% da necessidade de magnésio a crianças de 4 a 8 anos, e em torno de 20% das necessidades diárias de magnésio e 10% de potássio para gestantes.
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Dos Santos-Araujo SN, Swartjes FA, Versluijs KW, Moreno FN, Alleoni LRF. Soil-plant transfer models for metals to improve soil screening value guidelines valid for São Paulo, Brazil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 189:615. [PMID: 29116456 DOI: 10.1007/s10661-017-6298-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 10/12/2017] [Indexed: 06/07/2023]
Abstract
In Brazil, there is a lack of combined soil-plant data attempting to explain the influence of specific climate, soil conditions, and crop management on heavy metal uptake and accumulation by plants. As a consequence, soil-plant relationships to be used in risk assessments or for derivation of soil screening values are not available. Our objective in this study was to develop empirical soil-plant models for Cd, Cu, Pb, Ni, and Zn, in order to derive appropriate soil screening values representative of humid tropical regions such as the state of São Paulo (SP), Brazil. Soil and plant samples from 25 vegetable species in the production areas of SP were collected. The concentrations of metals found in these soil samples were relatively low. Therefore, data from temperate regions were included in our study. The soil-plant relations derived had a good performance for SP conditions for 8 out of 10 combinations of metal and vegetable species. The bioconcentration factor (BCF) values for Cd, Cu, Ni, Pb, and Zn in lettuce and for Cd, Cu, Pb, and Zn in carrot were determined under three exposure scenarios at pH 5 and 6. The application of soil-plant models and the BCFs proposed in this study can be an important tool to derive national soil quality criteria. However, this methodological approach includes data assessed under different climatic conditions and soil types and need to be carefully considered.
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Affiliation(s)
| | - Frank A Swartjes
- National Institute of Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA, Bilthoven, The Netherlands
| | - Kees W Versluijs
- National Institute of Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA, Bilthoven, The Netherlands
| | - Fabio Netto Moreno
- Environmental Agency of the State of São Paulo (CETESB), São Paulo, SP, 05459-900, Brazil
| | - Luís R F Alleoni
- Luiz de Queiroz College of Agriculture (ESALQ)/University of São Paulo (USP), CP 09, Piracicaba, SP, 13418-900, Brazil
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Rubio C, Napoleone G, Luis-González G, Gutiérrez AJ, González-Weller D, Hardisson A, Revert C. Metals in edible seaweed. CHEMOSPHERE 2017; 173:572-579. [PMID: 28152409 DOI: 10.1016/j.chemosphere.2017.01.064] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 01/11/2017] [Accepted: 01/11/2017] [Indexed: 06/06/2023]
Abstract
The concentration levels of 20 metals were analyzed by ICP-OES in edible seaweed (Chondrus, Eisenia, Gelidium, Himanthalia, Laminaria, Palmaria, Porphyra, Undaria), from two origins (Asia vs EU) according to their cultivation practices (conventional vs organic). Red seaweed showed higher concentrations of trace and toxic elements. Porphyra may be used as a potential bioindicator for metals. Significant differences were found between the Asian vs European mean contents. The mean Cd level from the conventional cultivation (0.28 mg/kg) was two points higher than the organic cultivation (0.13 mg/kg). A daily consumption of seaweed (4 g/day) contributes to the dietary intake of metals, mainly Mg and Cr. The average intakes of Al, Cd and Pb were 0.064, 0.001 and 0.0003 mg/day, respectively. Based on obtained results, this study suggests that exposure to the toxic metals analyzed (Al, Cd and Pb) through seaweed consumption does not raise serious health concerns, but other toxic metals should be monitored.
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Affiliation(s)
- C Rubio
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain.
| | - G Napoleone
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
| | - G Luis-González
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
| | - A J Gutiérrez
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
| | - D González-Weller
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain; Health Inspection and Laboratory Service, Servicio Canario de Salud, 38006 S/C de Tenerife, Canary Islands, Spain
| | - A Hardisson
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
| | - C Revert
- Area de Toxicología, Universidad de La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
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"Manganese-induced neurotoxicity: a review of its behavioral consequences and neuroprotective strategies". BMC Pharmacol Toxicol 2016; 17:57. [PMID: 27814772 PMCID: PMC5097420 DOI: 10.1186/s40360-016-0099-0] [Citation(s) in RCA: 212] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Accepted: 10/19/2016] [Indexed: 01/20/2023] Open
Abstract
Manganese (Mn) is an essential heavy metal. However, Mn’s nutritional aspects are paralleled by its role as a neurotoxicant upon excessive exposure. In this review, we covered recent advances in identifying mechanisms of Mn uptake and its molecular actions in the brain as well as promising neuroprotective strategies. The authors focused on reporting findings regarding Mn transport mechanisms, Mn effects on cholinergic system, behavioral alterations induced by Mn exposure and studies of neuroprotective strategies against Mn intoxication. We report that exposure to Mn may arise from environmental sources, occupational settings, food, total parenteral nutrition (TPN), methcathinone drug abuse or even genetic factors, such as mutation in the transporter SLC30A10. Accumulation of Mn occurs mainly in the basal ganglia and leads to a syndrome called manganism, whose symptoms of cognitive dysfunction and motor impairment resemble Parkinson’s disease (PD). Various neurotransmitter systems may be impaired due to Mn, especially dopaminergic, but also cholinergic and GABAergic. Several proteins have been identified to transport Mn, including divalent metal tranporter-1 (DMT-1), SLC30A10, transferrin and ferroportin and allow its accumulation in the central nervous system. Parallel to identification of Mn neurotoxic properties, neuroprotective strategies have been reported, and these include endogenous antioxidants (for instance, vitamin E), plant extracts (complex mixtures containing polyphenols and non-characterized components), iron chelating agents, precursors of glutathione (GSH), and synthetic compounds that can experimentally afford protection against Mn-induced neurotoxicity.
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Hernández Suárez M, Montes Hernández AI, Rodríguez Galdón B, Hernández Rodríguez L, Medina Cabrera CE, Ríos Mesa D, Rodríguez-Rodríguez EM, Díaz Romero C. Application of multidimensional scaling technique to differentiate sweet potato (Ipomoea batatas (L.) Lam) cultivars according to their chemical composition. J Food Compost Anal 2016. [DOI: 10.1016/j.jfca.2015.10.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Luis-González G, Rubio C, Gutiérrez Á, González-Weller D, Revert C, Hardisson A. Essential and toxic metals in taros (Colocasia esculenta) cultivated in the Canary Islands (Spain): evaluation of content and estimate of daily intake. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:4138. [PMID: 25412891 DOI: 10.1007/s10661-014-4138-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 11/03/2014] [Indexed: 06/04/2023]
Abstract
Taros are a staple in the diet of many people around the world, and they are an excellent source of minerals. Monitoring the levels of metals in food provides basic information that is useful from the perspectives of safety, regulation, and nutrition. Forty-two samples of taros were randomly obtained from supermarkets, vegetable markets, and farmer's plots on the island of Tenerife (Canary Islands, Spain). The edible portion (pulp) was the only part considered for analysis. Flame atomic absorption spectrometry (FAAS) was used to determine the contents of Na, K, Ca, Mg, Cu, Fe, Mn, and Zn. The levels of Cr, Ni, Cd, and Pb were determined using graphite furnace atomic absorption spectrometry (GFAAS). Mean concentrations (mg/kg) were 565.6 Na, 2947 K, 231.4 Ca, 364.5 Mg, 1.224 Cu, 3.818 Fe, 1.408 Mn, 2.242 Zn, 0.044 Cr, 0.021 Ni, 0.003 Cd, and 0.006 Pb. The mean concentrations of Cd and Pb were well below the accepted European Commission limits (0.1 mg/kg weight for both metals, respectively). Daily consumption of taro (10.41 g taro/person/day) contributes to the dietary intake of essential metals and trace elements, mainly Mg (1.265% in adult women and 1.084% in adult men) and Cu (1.182% for adult men and women). The average daily intakes of Cd (0.031 μg/day) and Pb (0.062 μg/day) from taro were below the legislated respective tolerable weekly intakes (TWIs). Thus, the samples analyzed were considered safe to eat based on their metal concentrations and legislated allowable intakes.
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Affiliation(s)
- Gara Luis-González
- Department of Toxicology, University of La Laguna, 38071 La Laguna, Tenerife, Canary Islands, Spain
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Olivares Arias V, Valverde Som L, Quiros Rodríguez V, García Romero R, Muñoz N, Navarro Alarcón M, Cabrera Vique C. Níquel en alimentos y factores influyentes en sus niveles, ingesta, biodisponibilidad y toxicidad: una revisión. CYTA - JOURNAL OF FOOD 2014. [DOI: 10.1080/19476337.2014.917383] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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