Wang Jian-tao
2007
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Journal
Journal of Qufu Normal University
Abstract
In this paper,isotetrandrine is extracted from Mahonia nutt and identified by infrared spectral identification,high efficiency liquid chromatography-mass spectrometry,measuration of melting point,thin-layer chromatography.Using 3114/3236 TAM Air(Sweden),the power-time curves of different concentrations of Isotetrandrine for E.coli,S.aureus and B.subtilis are determined,the growth rate constants(μ) of different concentrations(c) are calculated at 310.15 K,the relationship of μ-c is established and the optimum allowable concentration is obtained.