Antioxidation of Active Proteins from Dasyatis akajei Liver in vitro

doi:10.7506/spkx1002-6630-200901027

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (1): 116-118.doi: 10.7506/spkx1002-6630-200901027

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Antioxidation of Active Proteins from Dasyatis akajei Liver in vitro

XIAO Xiang，HUANG Wen-gang，YANG Shang-cai

Department of Biology, College of Science, Shantou University, Shantou 515063, China

Received:2007-12-28 Revised:2008-03-16 Online:2009-01-01 Published:2010-12-29
Contact: XIAO Xiang E-mail:xxiao@stu.edu.cn

Abstract

Abstract:

The active proteins from Dasyatis akajei liver were isolated by precipitating with ammonium sulfate, chromatographing with Sephadex G-150. Then the activities of scavenging superoxide radical and hydroxyl radical and inhibiting lipid peroxidation were determined. The results showed that the isolated three protein peaks (P1, P2 and P3) could effectively scavenge superoxide radical and hydroxyl radical and inhibit lipid peroxidation. The inhibiting ability of P3 is the highest, while that of P1 is the lowest. In conclusion, the active proteins from Dasyatis akajei liver have antioxidation.

Key words: Dasyatis akajei, liver, active protein, antioxidation

CLC Number:

R931.77

XIAO Xiang，HUANG Wen-gang，YANG Shang-cai. Antioxidation of Active Proteins from Dasyatis akajei Liver in vitro[J]. FOOD SCIENCE, 2009, 30(1): 116-118.

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Antioxidation of Active Proteins from Dasyatis akajei Liver in vitro

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