Study on Flavones Content and Antioxidative Activity from Pomelo Peel

Abstract

Abstract: Flavones from pomelo peel were extracted by using 60% ethanol solution and ultrasonic treatment. The qualitative and quantitative analysis results in the present study indicated that flavones, isoflavones and flavanonols existed in pomelo peel. The total content of flavonoids is 3.148%. The results from antioxidative activity obtained by DPPH showed that the inhibition rate of anti-free radicals in pomelo pee is 79.60%. In comparison with the inhibition rates of anti-free radicals of vitamin C and food additive(BHT), it is equivalent to 81.02% and 95.44% respectively.

Key words: flavonoid, ultraviolet spectrum, DPPH, antioxidant activity

YANG Zhuan-Qin, WANG Lei, Fan-Na, FENG Wen, YU Tao, WANG Wei. Study on Flavones Content and Antioxidative Activity from Pomelo Peel[J]. FOOD SCIENCE, 2006, 27(4): 102-105.

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Study on Flavones Content and Antioxidative Activity from Pomelo Peel

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