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Table 1 Spectrophotometric analysis of phenolics, flavonoids and antioxidant properties of W. somnifera roots, fruits and leaves.

From: High catechin concentrations detected in Withania somnifera (ashwagandha) by high performance liquid chromatography analysis

W. somnifera

Phenolics mg GAE/g (DW)

Flavonoids mg CEQ/g (DW)

% of DPPH inhibition

Roots

17.80 ± 5.80c

15.49 ± 1.02c

59.16 ± 1.20c

Fruits

22.29 ± 1.99b

21.15 ± 5.32b

70.38 ± 0.84b

Leaves

32.58 ± 3.16a

31.58 ± 5.07a

91.84 ± 0.38a

  1. In each column, values with different letters (superscripts) indicate significant differences (p < 0.05). DW = dry weight