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Effects of Postharvest Processing and Geographical Source on Phytochemical Variation of Corydalis Rhizoma / 中草药·英文版
Chinese Herbal Medicines ; (4): 151-157, 2014.
Article in Chinese | WPRIM | ID: wpr-842397
Responsible library: WPRO
ABSTRACT

Objective:

To assess the relative contributions of postharvest processing and geographical source to phytochemical variation of Corydalis Rhizoma, and rhizome of Corydalis yanhusuo, and to examine what phytochemical components are the most sensitive to the differences of each factor and how they change.

Methods:

HPLC fingerprinting and LC-MS coupled with chemometric approaches were applied.

Results:

The results of principal component analysis (PCA) and hierarchical cluster analysis (HCA) explicitly demonstrated the postharvest processing could produce a greater impact on the phytochemical profiles of Corydalis Rhizoma than geographical source. The contents of most compounds increased after water boiling while decreased after sulphur-fumigation. Protopine, coptisine, and palmatine were the most variable components in processing. Geographical sources also led to a remarkable phytochemical differentiation, in which the environmental variation of the three regions might play a role. Dehydrocorybulbine, coptisine, dehydrocorydaline, and protopine varied most among the three production regions and decreased sequentially in Zhejiang, Shaanxi, and Jiangsu provinces, China.

Conclusion:

Both postharvest processing and geographical source should be enhanced with the priority for the former in the quality control of Corydalis Rhizoma. The application of boiling is supported but the consistency should be improved in practice. Sulphur-fumigation is strongly suggested to be abandoned. © 2013 Tianjin Press of Chinese Herbal Medicines.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Herbal Medicines Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Herbal Medicines Year: 2014 Type: Article