| To determine the contents of 8 alkaloids (protopine, palmatine chloride, dehydrocorydaline, glaucine, tetrahydroberberine, berberine, (+)-corydaline, and tetrahydropalmatine) in Corydalis Rhizoma from different origins and analyze the correlation between the contents of eight alkaloids and different climate factors, so as to provide guidance for the selection of Corydalis Rhizoma planting base. High performance liquid chromatography was used to determine the contents of 8 alkaloids in Corydalis Rhizoma from different origins. The climate information of the samples was obtained from the China Meteorological Data Network, and the relevant data were analyzed by Spearman with SPSS 22.0 software. The results showed that the low temperature, low precipitation, short sunshine time, and high altitude environment were more suitable for the synthesis and accumulation of alkaloids in Corydalis Rhizoma. So the climatic environment in Shaanxi is more suitable for the growth of Corydalis Rhizoma, and is conducive to the accumulation of alkaloids. |
