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Table 3 Content of phenolic compounds in herb samples/% (n=2)

From: Antioxidant activity and components of a traditional chinese medicine formula consisting of Crataegus pinnatifida and Salvia miltiorrhiza

  Danshensu Protocatechuic aldehyde Rosmarinic acid Lithospermic acid Salvianolic B Salvianolic A Procyanidin B2 (−)-Epicatechin
DSW 1 0.34 0.06 0.12 0.21 2.07 0.11 * *
DSE * 0.03 0.01 * * 0.02 * *
DSW 2 0.37 0.03 0.08 0.13 1.48 0.18 * *
DSW 0.15 0.02 0.17 0.22 3.5 0.05 * *
SZW 1 * * * * * * 0.01 0.01
SZE * * * * * * * *
SZW 2 * * * * * * * *
SZW * * * * * * 0.12 0.12
SDW 1 0.07 * 0.07 0.11 1.70 0.03 * *
SDE * * 0.06 0.11 1.73 0.02 * *
SDW 2 * * * * 0.16 * * *
SDW 0.14 * 0.18 0.2 3.82 0.05 0.07 0.06
  1. *No detected.