. 2007 Oct 27;5(1):61–73.

Table 1.

Antioxidant activities of the fractions of Coccinia grandis

Fraction	IC₅₀ (mg/ml)

	DPPH	OH^·	NO^·	H₂O₂	Fe²⁺ chelating	Thiocyanate method
Pet-ether	0.29 ±0.83 ^a	0.141 ±4.41 ^a	0.384 ±4.41 ^a	0.092 ±0.01 ^a	0.393 ±4.41 ^a	0.278 ±10.72 ^a
Chloroform	0.145±0.01 ^b	0.348 ±9.26 ^b	0.183 ±0.83 ^b	0.186 ±3.0 ^b	0.276 ±4.41 ^b	0.271 ±9.28 ^a
Ethyl acetate	0.164 ± 0.83 ^c	0.565 ±27.32 ^c	0.553 ±4.41 ^c	0.232 ±0.01 ^c	0.433 ±22.04 ^a	0.405 ±15.0 ^b
Residual	0.6 ±0.02 ^d	0.625 ±19.91 ^c	0.370 ±6.29 ^a	0.125 ±0.01 ^d	0.405 ±13.22 ^a	0.460 ±23.09 ^b
Ascorbic acid	0.03 ±0.01 ^e	-	-	-	0.017 ±0.01 ^c	-
Quercetin	-	0.308 ±22.04 ^b	-	-	-	-
Curcumin	-	-	0.078±0.83 ^d	-	-	-
α-tocopherol	-	-	-	0.065 ±0.83 ^e	-	0.96 ±1.66 ^c

Results are expressed as mean± SEM of three parallel measurements. Values within a column followed by different letters are significantly different (P<0.05)