不同提取条件对核桃叶中抗病毒物质活性的影响

doi:10.11707/j.1001-7488.20070726

Scientia Silvae Sinicae ›› 2007, Vol. 43 ›› Issue (07): 148-151.doi: 10.11707/j.1001-7488.20070726

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Influence of Extract Condition on Activity of Antiviral Substances from Walnut Leaves

Zhai Meizhi,Jia Caixia,Jing Bingnian,Liu Chaobin

College of Forestry, Northwest A & F University Yangling 712100

Received:2006-01-10 Revised:1900-01-01 Online:2007-07-25 Published:2007-07-25

Abstract

Abstract:

The antiviral substances of walnut leaves were extracted by different solvents and methods, and its antiviral activities were determined. The results showed that antiviral substance activity is dissimilar based on extracts from walnut leaves with different solvent and methods. Inhibition rate on TMV of the extract with 95% (V/V) ethanol is the best, 100%; Optimum condition of the cold soak are: 95% (V/V) ethanol is used as solvent, the ratio of material to solvent is 20/100 (1∶10), soak time is 18 h. The inhibition rate of the extract to TMV infecting Nicotiana glutinosa is 100% under optimum condition.

Key words: walnut, tobacco moscaic virus (TMV), extracted method

Zhai Meizhi;Jia Caixia;Jing Bingnian;Liu Chaobin. Influence of Extract Condition on Activity of Antiviral Substances from Walnut Leaves[J]. Scientia Silvae Sinicae, 2007, 43(07): 148-151.

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Influence of Extract Condition on Activity of Antiviral Substances from Walnut Leaves

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