Table 5. Hydrophilic antioxidants and antioxidant activity of hydro-ethanol extracts of Dalbergia ecastaphyllum.

Sample code	Free radical scavenging (DPPH) EC 50 μg/mL	β-carotene bleaching assay (%)
T1	47.0 ± 0.8 a	22 ± 1 e
T2	35.8 ± 0.9 ab	26 ± 1 d
T3	40.1 ± 0.6 ab	13 ± 1 f
T4	34.0 ± 1.0 abc	8 ± 2 g
T5	30.2 ± 0.8 bc	7.4 ± 0.3 g
T6	40 ± 2.0 ab	40 ± 1 c
T7	28.0 ± 0.6 bc	48 ± 1 b
Gallic acid	18 ± 3 c
Quercetin	34 ± 1 abc
BHA		88. 3 ± 0.8 a
p-value	3.00	3.00

Means followed by the same letter within a column do not differ at Tukey’s test at p-value < 0.05.