Evaluation of Antioxidant Activity of Phyllostachys pubescens Extracts

Abstract

Abstract: Total phenolic content and antioxidant activity of methanol,hexane,chloroform,ethyl acetate and aqueous extracts of Phyllostachys pubescens were evaluated respectively.The ethyl acetate extract had the highest amount of phenolic compounds.It also exhibited the highest antioxidant activity by the 1,1-diphenyl-2-picrylhydrazyl(DPPH) and 2,2’-azinobis(3-ethylbenzothiazoline-6-sulphonic acid(ABTS) methods.The antioxidant activity of extracts are correlated with it containing of phenolic compounds significantly.GC-MS analysis indicated that ethyl acetate extract contained a variety of phenolic compounds.HPLC analysis showed that pyrogallol was the predominant phenolic compound in this extract.

Key words: bamboo shoots, polyphenols, antioxidant activity, radical scavenger

LI An-Ping, XIE Bi-Xia, ZHONG Qiu-Ping, TAO Jun-Kui. Evaluation of Antioxidant Activity of Phyllostachys pubescens Extracts[J]. FOOD SCIENCE, 2008, 29(5): 97-100.

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Evaluation of Antioxidant Activity of Phyllostachys pubescens Extracts

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