Current Knowledge on the Importance of Selenium in Food for Living Organisms: A Review

被引:321
|
作者
Kieliszek, Marek [1 ]
Blazejak, Stanislaw [1 ]
机构
[1] Warsaw Univ Life Sci SGGW, Fac Food Sci, Dept Biotechnol Microbiol & Food Evaluat, Nowoursynowska 159 C, PL-02776 Warsaw, Poland
来源
MOLECULES | 2016年 / 21卷 / 05期
关键词
selenium; cancer; food; nutrition; SACCHAROMYCES-CEREVISIAE; CANCER PREVENTION; PROSTATE-CANCER; SUPPLEMENTATION; YEAST; BIOAVAILABILITY; TOXICITY; SELENOPROTEINS; ANTIOXIDANT; BIOFORTIFICATION;
D O I
10.3390/molecules21050609
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Selenium is one of the elements classified within the group of micronutrients which are necessary in trace amounts for the proper functioning of organisms. Selenium participates in the protection of cells against excess H2O2, in heavy metal detoxification, and regulation of the immune and reproductive systems as well. It also ensures the proper functioning of the thyroid gland. Selenium induces the occurrence of the selenoprotein synthesis process involved in the antioxidant defense mechanism of the organism. Recent years have brought much success in the studies on selenium. Anticarcinogenic properties of selenium against some cancers have been reported. Supplementation is increasingly becoming a solution to this problem. A large number of different supplementation methods are promoting studies in this area. Slight differences in the selenium content can result in excess or deficiency, therefore supplementation has to be done carefully and cautiously.
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页数:16
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