Research on the Degradation Kinetics Model in the Drying Process of Chinese Herb

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Research on the Degradation Kinetics Model in the Drying Process of Chinese Herb

REN Difen^a; MAO Zhihuai^b; WANG Jianzhong^a

^a College of Biology, Beijing Forestry University, Beij.ing 100083, China
^b College of Engineering, China Agricultural University, Beijing 100083, China

Received:1900-01-01 Revised:1900-01-01 Online:2004-12-28 Published:2004-12-28
Contact: REN Difeng

中草药干燥过程中质量退化动力学模型的研究

任迪峰^a; 毛志怀^b; 王建中^a

^a College of Biology, Beijing Forestry University, Beij.ing 100083, China
^b College of Engineering, China Agricultural University, Beijing 100083, China

通讯作者: 任迪峰

Abstract

Abstract: Curative compositions such as catolpol in Rehmannia Glutinosa, flavone in Ophiopogon Japonicus and ginsenoside Re in Panax Ginseng in Chinese herbs were measured as the experimental indices by the method of high performance liquid chromatography under different drying conditions. The reaction order and parameters of the degradation kinetics model were determined and the model was verified by experiments. It was indicated that by comparing with the thindrying method, the prospective model could predict the degradation of curative compositions with drying time, temperature and moisture content of herbal materials with enough precision and could be used to simulate the degradation in the drying process of Chinese herb.

Key words: Chinese herb, drying, degradation kinetics

摘要： Curative compositions such as catolpol in Rehmannia Glutinosa, flavone in Ophiopogon Japonicus and ginsenoside Re in Panax Ginseng in Chinese herbs were measured as the experimental indices by the method of high performance liquid chromatography under different drying conditions. The reaction order and parameters of the degradation kinetics model were determined and the model was verified by experiments. It was indicated that by comparing with the thindrying method, the prospective model could predict the degradation of curative compositions with drying time, temperature and moisture content of herbal materials with enough precision and could be used to simulate the degradation in the drying process of Chinese herb.

关键词: 中草药;干燥过程;质量退化;动力学模型

REN Difen, MAO Zhihuai, WANG Jianzhong. Research on the Degradation Kinetics Model in the Drying Process of Chinese Herb[J]. , DOI: .

任迪峰, 毛志怀, 王建中. 中草药干燥过程中质量退化动力学模型的研究[J]. , DOI: .

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