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Table 4 Polyphenolics content in methanolic extract of R. purpurea tuber

From: Nutritional evaluation, antioxidant studies and quantification of poly phenolics, in Roscoea purpurea tubers

S. no. Total poly phenolicsb Valuesa Regression equation (y) Regression coefficient (r2)
1. Total phenolics 14.13 ± 0.115 115.9 x + 0.113 0.999
2. Total flavonoids 12.23 ± 0.055 74.61x + 0.058 0.998
  1. aValues are mean ± SD (n = 3).
  2. bTotal phenolics are represented as mg Gallic acid/gm of dry weight, total flavonoids are represented as mg quercetin/gm of dry weight.