Quality control of Lycium chinense and Lycium barbarum cortex (Digupi) by HPLC using kukoamines as markers

Chinese Medicine

Table 1 Production areas and species of Lycii Cortex samples and the contents of kukoamines A and B

Batch no.	Species	Origin	Collection year	Content of KA^a (mg/g)	Content of KB^a (mg/g)
LC 1	L. chinense	Jiangxi	2011	9.65 ± 0.26	5.03 ± 0.13
LC 2	L. chinense	Jiangxi	2011	4.38 ± 0.27	13.27 ± 0.04
LC 3	L. chinense	Jiangxi	2011	3.33 ± 0.18	13.50 ± 0.18
LC 4	L. chinense	Jiangxi	2011	1.82 ± 0.13	3.39 ± 0.22
LC 5	L. chinense	Gansu	2011	3.83 ± 0.03	13.29 ± 0.14
LC 6	L. chinense	Shangxi	2011	6.34 ± 0.11	22.08 ± 0.11
LC 7	L. chinense	Neimenggu	2011	1.13 ± 0.02	3.49 ± 0.02
LC 8	L. chinense	Neimenggu	2011	4.87 ± 0.04	14.27 ± 0.27
LC 9	L. barbarum	Ningxia	2011	1.86 ± 0.09	6.80 ± 0.18
LC 10	L. barbarum	Ningxia	2011	1.93 ± 0.02	6.65 ± 0.01
LC 11	L. barbarum	Ningxia	2011	4.06 ± 0.23	16.88 ± 0.38
LC 12	L. barbarum	Ningxia	2011	1.47 ± 0.01	4.76 ± 0.23
LC 13	L. barbarum	Ningxia	2011	3.96 ± 0.29	19.02 ± 0.11
LC 14	L. chinense	Hong Kong	2011	1.29 ± 0.03	3.47 ± 0.15
LC 15	L. chinense	Hong Kong	2012	4.25 ± 0.04	18.45 ± 0.60
LC 16	L. chinense	Hong Kong	2012	1.75 ± 0.02	7.60 ± 0.02

^aThe content was converted to the dry basis. The experiments for each sample were performed in triplicate (n = 3), and the results are presented as the mean ± standard deviation

ISSN: 1749-8546