A Study of Antioxidant Activity about Extracts with Different Solvents from Four Chinese Herbal Medicines in Enshi

Abstract:

this paper, four kinds of Chinese herbal medicines from Enshi：Camptotheca acuminata, Paris polyphylla Smith, Taxus mairei and Trillium tschonoskii Maxim were respectively extracted by double distilled water, 0.5mol/LNaCl solution, and 75%(v/v) ethanol,using pyrogallol autoxidation method to test the antioxidant activity. The results showed that four kinds of Chinese herbal medicines have certain ability to remove superoxide anion radical and different among them, The ethanol extract of Camptotheca acuminata and water extract of Trillium tschonoskii Maxim have the strongest antioxidant capacity,however all of the salt extract of four Chinese herbal medicines which can hardly remove superoxide anion radical have little antioxidant capacity.

• Periodical: Advanced Materials Research (Volumes 396-398)
• Pages: 221-224
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.396-398.221
• Online since: November 2011
• Authors: Qin Li, Chi Zhang
• Keywords: Antioxidant, Chinese Herbal Medicine, Oxidation of Pyrogallol Autoxidation, Superoxide Anion

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