. 2022 Apr 19;12(19):11769–11785. doi: 10.1039/d2ra01340a

In vitro DPPH scavenging activity of Tamarindus indica crude extract and different fractions (n-hexane, dichloromethane, and ethyl acetate)^a.

Inhibition (%)	0.01 μg mL⁻¹	0.05 μg mL⁻¹	0.10 μg mL⁻¹
Crude extract	19.57 ± 0.81^f	43.48 ± 2.20^d	56.52 ± 2.90^e
n-Hexane	15.20 ± 1.80^f	13.04 ± 1.90^g	14.35 ± 1.00^g
Dichloromethane	4.35 ± 0.80^h	47.83 ± 3.78^c	84.78 ± 6.89^a
Ethyl acetate	32.61 ± 2.80^d	82.61 ± 5.90^a	86.96 ± 5.45^b
n-Butanol	33.61 ± 2.80^d	75.61 ± 5.90^a	70.61 ± 5.90^a
Ascorbic acid	81.00 ± 5.51^a	89.0 0 ± 5.80^b	91.00 ± 6.80^b

Data are expressed as mean ± SD (n = 3). Groups with similar letters are not significantly different, while those with different letters are significantly different at p ≤ 0.05.

In vitro DPPH scavenging activity of Tamarindus indica crude extract and different fractions (n-hexane, dichloromethane, and ethyl acetate)a.

In vitro DPPH scavenging activity of Tamarindus indica crude extract and different fractions (n-hexane, dichloromethane, and ethyl acetate)^a.