Table 4.

ABTS radical scavenging of methanol extract and soluble fractions of in vivo and in vitro grown plants and callus tissue of red clover (Trifolium pratense).

Plant extract	EC50 of ABTS (µg/mL)
	In vivo	In vitro	Callus
Methanol extract	111.84 ± 1.46b∗	351.46 ± 2.02c∗∗∗	164.32 ± 1.61b∗∗
n-Hexane fraction	210.76 ± 1.71d∗	>500d∗∗∗	225.63 ± 2.05d∗∗
Ethyl acetate fraction	>500e∗	≫500e∗∗∗	>500e∗∗
Chloroform fraction	122.34 ± 2.29c∗	297.68 ± 1.68b∗∗∗	172.18 ± 1.55c∗∗
Ascorbic acid	34.67 ± 0.53a	34.67 ± 0.53a	34.67 ± 0.53a

Each value in the table is represented as mean ± SD (n = 3).

Means not sharing the same symbols (∗, ∗∗, and ∗∗∗) are significantly different (Duncan) at P < 0.05 in the same row.

Means not sharing the same letters are significantly different (Duncan) at P < 0.05 in the same column.