Advance in Antioxidant Activity and Chemical Constituents of Propolis Collected in Various Geographic Origins

The antioxidant activities, polyphenol acid and flavonoid contents were discussed in this article, and studied the relationship between polyphenol acid and an- tioxidant activity. Furthermore, measured the main chemi- cal constituents of propolis collected in various geo- graphic origins. The results showed that antioxidant activ- ities of propolis from different areas were different, and the content of polyphenol acid and flavonoid were also different, and there existed some positive correlation be- tween polyphenol and antioxidant activities. The main chemical constituents of propolis of various areas had great significant different, which indicated that propolis had complex chemical constituents, and antioxidant activi- ties of propolis of various areas were the results of syn- ergistic effect of multiple constituents.