Apimondia Apimedica-Apiquality International Forum 

Oct. 22-25, 2012
Zhenjiang, China

Zhao Liang-liang ,Luo Zhao-ming, Zhang hong-cheng* 

(Bee Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100093, China)

To research antioxidant activity of propolis from different areas, 87 propolis samples from various areas were extracted with water, 75% ethanol, ether, ethyl acetate, and petroleum ether and antioxidant activities of these extracts were measured by hydrophilic and lipophilic ORAC Assay.

The results showed that all extracts of propolis had strong antioxidant activities, and the extracts of 75% ethanol had the strongest antioxidant activity; In accordance with the geographical, the antioxidant activity of propolis extract in Hebei Fangcheng was the highest, conversely, the extract of Yunnan Xishuangbanna had the weakest antioxidant activity.

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