Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials · 2008
[Study on quality evaluation of Radix Isatis based on analysis of biothermic activity].
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Zhao Yan-Ling, Shan Li-Mei, Jin Cheng, Zhou Xu, Xiao Xiao-He
Аннотация
OBJECTIVE: To establish a novel pattern and method to evaluate the quality of Radix Isatis based on analysis of biothermic activity.
METHODS: Chemical and biothermodynamic methods were used and compared to investigate the quality of different Radix Isatis samples. And a mathematic model was established by computer aided pattern recognition to evaluate the quality of Radix Isatis.
RESULTS: The quality of Radix Isatis was partially related to the content of organic acids and polycose, but it could not be correctly recognized by both chemical determination and HPLC fingerprint. On the other hand, the mathematic model based on the main four parameters of biothermodynamic analysis was very correct (misjudgment ratio of 1.39%) to recognize the quality of Radix Isatis.
CONCLUSION: The established model in this paper based on analysis of biothermic activity is more accurate and reliable than that of chemical methods to evaluate the quality of Radix Isatis.
METHODS: Chemical and biothermodynamic methods were used and compared to investigate the quality of different Radix Isatis samples. And a mathematic model was established by computer aided pattern recognition to evaluate the quality of Radix Isatis.
RESULTS: The quality of Radix Isatis was partially related to the content of organic acids and polycose, but it could not be correctly recognized by both chemical determination and HPLC fingerprint. On the other hand, the mathematic model based on the main four parameters of biothermodynamic analysis was very correct (misjudgment ratio of 1.39%) to recognize the quality of Radix Isatis.
CONCLUSION: The established model in this paper based on analysis of biothermic activity is more accurate and reliable than that of chemical methods to evaluate the quality of Radix Isatis.