Quality evaluation of various commercial specifications of Polygoni Multiflori Radix and its dregs by determination of active compounds

Table 2 The contents of THSG, emodin and physcion in decoction pieces of Polygoni Multiflori Radix from pharmacies

No.	Source	Contents of decoction pieces (mg/g)			Contents of dregs (mg/g)
No.	Source	THSG	Emodin	Physcion	THSG	Emodin	Physcion
HK1	Hong Kong; market	0.40	0.05	0.05	-^a	-	-
HK2	Hong Kong; market	-	-	-	-	-	-
HK3	Hong Kong; market	0.26	-	-	-	-	-
HK4	Hong Kong; market	-	-	-	-	-	-
HK5	Hong Kong; market	0.56	0.09	0.07	-	-	-
HK6	Hong Kong; market	0.25	0.01	0.02	0.11	0.03	0.08
SZ1	Shenzhen city, Guangdong province, China; market	22.6	0.11	0.09	11.2	0.10	0.09
SZ2	Shenzhen city, Guangdong province, China; market	23.2	0.10	0.10	12.0	0.05	0.07
SZ3	Shenzhen city, Guangdong province, China; market	20.5	0.20	0.18	15.8	0.15	0.13
SZ4	Shenzhen city, Guangdong province, China; market	21.7	0.15	0.12	6.0	0.21	0.15