Studies on Determination of SOD Activity in Rosa roxburghii Tratt

Abstract

Abstract: The superoxde dismutase(SOD) assay in Rosa roxburghii Tratt by Pyrogallol Pyrogallic Acid self-oxidization method was studied.The SOD activities of Rosa roxburghii Tratt samples by using different extraction methods were determined. The results indicated the fruit of Rosa roxburghii Tratt contained rich SOD, but the process temperature could have much effect on the SOD activity. The minimum SOD activity measured was 100U/g and the maximum was 5000U/g. Lower temperature during storage and processing could preserve the avitivty. This paper could provide some reference to the choice of processing methodsof Rosa roxburghii Tratt assay.

Key words: Rosa roxburghii Tratt, superoxde dismutase(SOD), pyrogallol pyrogallic acid, extracting methods

WU Su-Ling, ZHANG Wei-Ming, SUN Xiao-Ming, JIN Jing-Hong, SHI Jin-Song, GU Gong-Ping. Studies on Determination of SOD Activity in Rosa roxburghii Tratt[J]. FOOD SCIENCE, 2005, 26(11): 58-62.

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Studies on Determination of SOD Activity in Rosa roxburghii Tratt

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