Total polyphenol contents of Caesalpinia sappan, Chrysanthemum indicum and Wedelia chinensis Osb. Merr ethanol extracts were 5.817 ± 0.055, 5.034 ± 0.046 and 4.625 ± 0.069mg axit chlorogenic/100 mg plant material, respectively, while their antioxidant activities were 0.512 ± 0.012, 0.424 ± 0.006 and 0.312 ± 0.009mg vitamine E/100mg plant material, respectively.