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Products: Peanuts
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The extraction of different proteins in selenium enriched peanuts and their antioxidant properties.
Authors: Zhao P, Wang Y, Zhang Y, Guo T, Zhang Z, Zhang WJ, Zhang XG, Ashraf MA.
- Journals: Saudi J Biol Sci
- Pages: 353-7
- Volume: May;23(3)
- Year: 2016
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In this study, the selenium enriched peanuts and the different solubility proteins extracted from them were investigated. The dried defatted selenium enriched peanuts (SeP) powder (0.3147 μg/g) had a 2.5-fold higher mean total selenium concentration than general peanuts (GP) power (0.1233 μg/g). The SeP had higher concentration of selenium, manganese and zinc than that of GP, but less calcium. The rate of extraction of protein was 23.39% for peanuts and alkali soluble protein was the main component of protein in SeP, which accounted for 92.82% of total soluble protein and combined selenium was 77.33% of total selenium protein. In different forms of proteins from SeP, the WSePr due to higher concentration of selenium had higher DPPH free-radical scavenging activity, higher reducing activity and longer induction time than other proteins.