Antioxidant Compounds from Propolis Collected in Anhui, China

Haisha Yang, Yuqiong Dong, Huijing Du, Haiming Shi, Yunhua Peng, Xiaobo Li
2011 Molecules  
The antioxidant activities of the chloroform, ethyl acetate and n-butanol extract fractions from propolis collected in Anhui, China were evaluated in this study. The ethyl acetate fraction contained the highest amount of total phenolics and total flavonoids, and showed the greatest 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) and 2,2′-azino-bis(3ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radical scavenging capacities and Ferric Reducing/Antioxidant Power (FRAP). The
more » ... AP). The antioxidant activity of twenty-two compounds isolated from the ethyl acetate fraction was also evaluated using the above-mentioned three assays. The results indicated that phenolics contributed to the antioxidant activity of propolis collected in Anhui, China. Therefore, propolis collected in Anhui, China and its phenolics might be used as a natural antioxidant. OPEN ACCESS Molecules 2011, 16 3445
doi:10.3390/molecules16043444 pmid:21512452 fatcat:m6mz57kowbaplbtdmzq3ewiwca