Table 1.

The phytochemical composition and antioxidant capacity of the methanolic extract of Euphorbia retusa.

	Phytochemical composition			Antioxidant activity
	Total phenolics (mg·GAE/g·DW)a	Total flavonoids (mg·QE/g·DW)b	Condensed tannins (mg·QE/g·DW)c	DPPH (EC50, mg/ml)	FRAP (EC50, mg/ml)
Euphorbia retusa	280.21 ± 0.085	20.50 ± 0.107	41.39 ± 0.198	131.23 ± 7.47	104.05 ± 12.82
Vitamin C	—	—	—	76.88 ± 16.88	48.46 ± 7.72

^aTotal phenolic content as the gallic acid equivalent. ^bTotal flavonoid content as the quercetin equivalent. ^cCondensed tannin as the quercetin equivalent. Values are expressed as mean ± standard deviation (n=3).