Antitumor Activity of Chinese Propolis in Human Breast Cancer MCF-7 and MDA-MB-231 Cells

<table>The constituents from ethanol-extracted Chinese propolis (EECP). 1. Caffeic acid; 2.<i> p</i>-coumaric acid; 3. ferulic acid 4. pinobanksin; 5.  7-hydroxy-5-methoxyflavanone; 6. kaempferol; 7. Pinocembrin; 8. pinobanksin 3-acetate; 9. chrysin; 10. caffeic acid phenethyl ester; 11. galangin; 12. tectochrysin.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 1

Figure 1: Antitumor Activity of Chinese Propolis in Human Breast Cancer MCF-7 and MDA-MB-231 Cells 