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Effect of selenite on organic selenium speciation and selenium bioaccessibility in rice grains of two Se-enriched rice cultivars
Gong, Ruyu1,2; Ai, Chunyue1,2; Zhang, Baojun1,2,3; Cheng, Xianglei1,2
2018-10-30
Source PublicationFOOD CHEMISTRY
ISSN0308-8146
Volume264Pages:443-448
Corresponding AuthorZhang, Baojun(zhangbaojun@ncu.edu.cn)
AbstractThe accumulation of organic selenium (Se) in grains is helpful in understanding its bioaccessibility in various Se-enriched rice cultivars after soil selenite treatments. In the present study conducted with two rice cultivars, the organic Se as well as the glutelin-derived Se and the selenomethionine (SeMet) percentage in grains increased with soil Se levels. The available Se that was detected in the forms of SeMet (similar to 40%) and selenite (similar to 12%) accounted for more than 50% of the total Se in grains, and no significant differences were observed between the two rice cultivars (P > 0.05). Simulated gastrointestinal digestion showed that the digested grain SeMet increased with the soil Se treatment levels, whereas there were minimal changes in the percentages of selenite in the grain. Furthermore, approximately half of the available SeMet was derived from the grain glutelin. These results suggest that the non-glutelin-derived Se in rice should be further studied.
KeywordSelenomethionine Rice glutelin In vitro gastrointestinal simulation Selenite application in soil
DOI10.1016/j.foodchem.2018.05.066
WOS KeywordABSORPTION SPECTROMETRIC DETERMINATION ; EXTRACTION ; WHEAT ; BIOFORTIFICATION ; BIOAVAILABILITY ; ACCUMULATION ; COMBINATION ; PROTEINS ; SAMPLES ; FOLIAR
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41161016] ; Graduate Innovation Special Foundation of Nanchang University[cx2016371]
Funding OrganizationNational Natural Science Foundation of China ; Graduate Innovation Special Foundation of Nanchang University
WOS Research AreaChemistry ; Food Science & Technology ; Nutrition & Dietetics
WOS SubjectChemistry, Applied ; Food Science & Technology ; Nutrition & Dietetics
WOS IDWOS:000433335900055
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54943
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Baojun
Affiliation1.Nanchang Univ, Sch Publ Hlth, Nanchang 330006, Jiangxi, Peoples R China
2.Jiangxi Prov Key Lab Prevent Med, Nanchang 330006, Jiangxi, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Gong, Ruyu,Ai, Chunyue,Zhang, Baojun,et al. Effect of selenite on organic selenium speciation and selenium bioaccessibility in rice grains of two Se-enriched rice cultivars[J]. FOOD CHEMISTRY,2018,264:443-448.
APA Gong, Ruyu,Ai, Chunyue,Zhang, Baojun,&Cheng, Xianglei.(2018).Effect of selenite on organic selenium speciation and selenium bioaccessibility in rice grains of two Se-enriched rice cultivars.FOOD CHEMISTRY,264,443-448.
MLA Gong, Ruyu,et al."Effect of selenite on organic selenium speciation and selenium bioaccessibility in rice grains of two Se-enriched rice cultivars".FOOD CHEMISTRY 264(2018):443-448.
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