中国中药杂志

2013, v.38(13) 2140-2146

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银杏叶干燥方法的优化及其机制探讨
Study on optimization of drying method and its mechanism in Ginkgo biloba leaves

管汉亮;钱大玮;段金廒;任浩;钱叶飞;唐于平;刘培;
GUAN Han-liang,QIAN Da-wei,DUAN Jin-ao,REN Hao,QIAN Ye-fei,TANG Yu-ping,LIU Pei(Nanjing University of Chinese Medicine,Jiangsu Key Laboratory for High Technology Research of Traditiona1 Chinese Medicine Formulae,Nanjing 210046,China)

摘要(Abstract):

为研究在不同干燥过程中银杏叶化学成分的变化规律,该文采用超高效液相色谱与三重四极杆质谱(UPLC-TQ/MS)联用技术,对银杏叶在自然晒干,阴干,35,45,60,80℃烘干过程中儿茶素类、黄酮及其苷类、双黄酮类、内酯类及酚酸类成分含量变化进行分析。结果表明80℃烘干条件下能起到"杀青"的作用,有利于银杏叶中儿茶素类、黄酮及其苷类、银杏内酯类等成分的转化积累,对双黄酮类成分含量影响不明显。可见80℃快速烘干法有利于银杏叶各类活性成分的保持,可为银杏叶药材的初加工工艺优化提供有益参考。
To provide a scientific evidence for the initial primary processing method,an ultra-high performance liquid chromatography combined with a triple quadrupole electrospray tandem mass spectrometry(UPLC-MS/MS) was used to analyze the contents variation of catechins,flavonoids,flavonoid glycosides,biflavones,terpene lactones and phenolic acids during the process of drying in the sun,in the shade,and baked with 35,45,60,80 ℃,respectively.The results show that drying in the 80 ℃ is conducive to the accumulation of catechins,flavonoid glycosides,terpene lactones,better than the effects of other procedures.Therefore,the fast drying at 80 ℃ is beneficial for the retention of various types of active ingredient of Ginkgo biloba,and this method could be applied as a preferably dry processing.

关键词(KeyWords): 银杏叶;UPLC-TQ/MS;干燥方法优化;含量变化;机制探讨
Ginkgo biloba leaves;UPLC-MS/MS;the optimization of drying method;content change;mechanism

Abstract:

Keywords:

基金项目(Foundation): 国家科技支撑计划项目(2011BAI04B03)

作者(Authors): 管汉亮;钱大玮;段金廒;任浩;钱叶飞;唐于平;刘培;
GUAN Han-liang,QIAN Da-wei,DUAN Jin-ao,REN Hao,QIAN Ye-fei,TANG Yu-ping,LIU Pei(Nanjing University of Chinese Medicine,Jiangsu Key Laboratory for High Technology Research of Traditiona1 Chinese Medicine Formulae,Nanjing 210046,China)

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