. 2007 Oct 27;5(1):61–73.

Table 4.

β-Carotene bleaching inhibitory activity of different fractions of Coccinia grandis

Fractions	Time of incubation (min)	Absorbance at 470 nm					IC₅₀ (mg/ml)
Fractions	Time of incubation (min)	50 µg/ml	100 µg/ml	200 µg/ml	400 µg/ml	800 µg/ml	IC₅₀ (mg/ml)
Pet-ether	0	0.282	0.397	0.562	0.609	0.695	0.068 ^a ±0.04
Pet-ether	90	0.089	0.166	0.295	0.328	0.391	0.068 ^a ±0.04
Chloroform	0	0.075	0.089	0.099	0.119	0.145	0.117 _b ±0.01
Chloroform	90	0.047	0.054	0.062	0.080	0.104	0.117 _b ±0.01
Ethyl acetate	0	0.415	0.632	0.713	1.208	1.283	0.099^c ±0.01
Ethyl acetate	90	0.288	0.407	0.447	0.924	0.983	0.099^c ±0.01
Residual	0	0.515	0.575	0.642	0.715	0.858	0.145 ^d ±0.04
Residual	90	0.455	0.502	0.557	0.622	0.763	0.145 ^d ±0.04
Ascorbic acid	0	0.091	0.137	0.189	0.285	0.725	0.140 ^e ±0.06
Ascorbic acid	90	0.059	0.082	0.138	0.230	0.664	0.140 ^e ±0.06

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