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Table 5 ORAC value and IC 50 value of compounds

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

  ORAC value IC50value/μM
Chlorogenic acid 3.50±0.36 27.50±0.77
Danshensu sodium 5.30±0.31 23.00±0.26
Caffeic acid 5.31±0.18 23.60±0.47
Protocatechuic aldehyde 6.03±0.90 13.30±0.26
Hyperoside 6.20±1.08 22.00±0.19
Rosmarinic acid 7.02±1.03 13.50±0.10
Protocatechuic acid 7.84±1.26 17.50±0.25
Isoquercitrin 7.86±0.67 18.83±0.05
Rutin 9.62±1.40 18.30±0.49
Salvianolic A 10.26±0.82 12.10±0.15
(−)-Epicatechin 11.10±0.41 20.40±0.15
Lithospermic acid 11.40±0.71 15.61±1.07
Quercetin 12.90±0.35 13.10±0.26
Salvianolic B 16.73±2.53 8.80±0.06
Procyanidin B2 20.29±1.80 11.20±0.30