Table 3: Showing the antioxidant activity of the essential oil and different extracts of Valeriana jatamansi roots.

S. no.
Test sample
DPPH activity (IC50 in g/mL)Chelation power on ferrous ions (% age at 100  g)

1Essential oil876 ± 12.8  g/mL31%
2Methanolic extract 78 ± 2.9  g/mL76%
3Aqueous extract154 ± 4.6  g/mL43%
4Chloroform extract 12%
5BHT28 ± 0.8  g/mL

Data is represented as mean ± SD of three triplicate experiments.