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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