DDPH assay IC₅₀ ± STD µg/ml

Extract/Fractions

E. roseum root

E. roseum stem

Methanolic extract

17.04 ± 0.54

13.12 ± 1.01

N-Hexane fraction

22.94 ± 2.06

24.12 ± 2.12

Chloroform fraction

06.38 ± 4.59

02.73 ± 0.84

Ethyl acetate fraction

02.96 ± 2.39

02.69 ± 0.26

n-butanol fraction

12.21 ± 1.51

03.44 ± 0.69

PG (Control)

50.01 ± 0.23

52.50 ± 0.57

TBH (Control)

60.03 ± 0.03

55.10 ± 1.21