Molecules 2011, 16(4), 3444-3455; doi:10.3390/molecules16043444

Antioxidant Compounds from Propolis Collected in Anhui, China

1,†email, 1,†email, 1email, 1,2,* email, 3email and 1,* email
Received: 23 March 2011; in revised form: 12 April 2011 / Accepted: 12 April 2011 / Published: 21 April 2011
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: 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(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radical scavenging capacities and Ferric Reducing/Antioxidant Power (FRAP). 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.
Keywords: propolis; antioxidant activity; phenolics; natural antioxidants
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MDPI and ACS Style

Yang, H.; Dong, Y.; Du, H.; Shi, H.; Peng, Y.; Li, X. Antioxidant Compounds from Propolis Collected in Anhui, China. Molecules 2011, 16, 3444-3455.

AMA Style

Yang H, Dong Y, Du H, Shi H, Peng Y, Li X. Antioxidant Compounds from Propolis Collected in Anhui, China. Molecules. 2011; 16(4):3444-3455.

Chicago/Turabian Style

Yang, Haisha; Dong, Yuqiong; Du, Huijing; Shi, Haiming; Peng, Yunhua; Li, Xiaobo. 2011. "Antioxidant Compounds from Propolis Collected in Anhui, China." Molecules 16, no. 4: 3444-3455.

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