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Table 3 Phenolic acids and flavonoids compounds detected in Withania somnifera roots, fruits and leaves using high performance liquid chromatography analysis.

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

SL No Standard compounds Retention time λmax(nm) Quantity of the identified compounds (mg/g DW)
     Roots Fruits Leaves
1 Catechin 3.36 278 12.82 19.48 28.38
2 Gallic acid 4.12 269, 216 ND ND 0.18
3 Syringic acid 8.10 268, 216 ND ND 0.30
4 Vanillic acid 8.61 224, 249, 269 ND ND 0.15
5 p-coumaric acid 10.97 264, 286, 310 ND ND 0.80
6 Benzoic acid 15.33 272, 241 0.19 ND 0.80
7 Naringenin 20.18 277, 292, 308 ND 0.50 ND
8 Kaempferol 25.59 361 ND 0.06 ND
Total phenolic compounds 13.01 ± 8.93 20.04 ± 11.09 30.61 ± 11.41
  1. (ND = Not detected), DW = dry weight