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

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

	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

ISSN: 2662-7671