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[Study on dynamic changes of chemical constituents during different drying processes of Salvia miltiorrhiza].
Zhongguo Zhong Yao Za Zhi ; 44(21): 4634-4640, 2019 Nov.
Artigo em Chinês | MEDLINE | ID: mdl-31872658
There is no consensus on the drying methods of Salvia miltiorrhiza in ancient and modern times,especially on the content of phenolic acid in fresh S. miltiorrhiza. In order to further explore the content of main components in fresh S. miltiorrhiza and study the dynamic changes during the drying process,the content of main components was used as the index in this study to evaluate the processing method,drying method,correlation between dehydration rate and component content for fresh S. miltiorrhiza. In addition,the sealed and unsealed parallel control groups were set to carry out verification test during the drying process. UPLC method was used for determination of seven main components including rosmarinic acid,lithosperic acid,salvianolic acid B,cryptotanshinone,tanshinoneⅠ,methylene salianolate and tanshinone ⅡAin S. miltiorrhiza. The results showed that the fresh S. miltiorrhiza contained low levels of phenolic acid,and the content of phenolic acid increased significantly with the increase of dehydration rate during drying process,while the change of tanshinone was not obvious. In the comparison of three drying methods,we found that drying at 50 ℃ was better than drying in the sun,and drying in the sun was superior to drying in the shade. So,drying at 50 ℃ was the best drying method. The correlation between dehydration and phenolic acid content of S. miltiorrhiza was analyzed by verification test and SPSS software,which further proved that the dehydration rate was significantly positively correlated with the content of phenolic acid components. This study provides reference for the production processing and drying methods of S. miltiorrhiza medicinal materials,which is of great significance for improving the quality of S. miltiorrhiza.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Salvia miltiorrhiza Idioma: Chinês Revista: Zhongguo Zhong Yao Za Zhi Assunto da revista: Farmacologia / Terapias Complementares Ano de publicação: 2019 Tipo de documento: Artigo País de afiliação: China