Abstract
Based on DPPH method, the antioxidant activities of Shenqi Tongmai Yizhi particles with different extraction processes were compared. The contribution to the anti-oxidant capacity in vitro was explored by means of grey relational analysis on different chemical compositions in the fingerprint. The results showed that the IC₅₀ concentration values of water extract, water extract from alcohol precipitation, alcohol extract, and alcohol and water extract were 0.801 4, 0.859 1, 0.796 1, 0.918 0 g•L⁻¹; and the alcohol extract is the best method to extract antioxidative components, with the highest antioxidant activity and lowest IC₅₀. When the mass concentration of the herbs reached a certain degree, its free radical clearance rate was similar to that of vitamin C control group. The order of different chemical contributions of constituents to the antioxidant activity in the fingerprint was 4>3>33>53>9>10>11>34>15>59>8>61>52>20>42>18>29. The preliminary exploration for the spectrum efficiency relations provides reference for studying traditional Chinese medicine compound processing method and the pharmacodyamic material basis.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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