Medicinal Plant

2010, v.1(08) 82-83

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Determination of γ-Aminobutyric Acid in Pinellia ternate(Thunb.)Breit.at different Growth Stages
Determination of γ-Aminobutyric Acid in Pinellia ternate(Thunb.)Breit.at different Growth Stages

摘要(Abstract):

[Objective] To establish a method for determing γ-aminobutyric acid in the Pinellia ternate(Thunb.)Breit..[Method] γ-aminobutyric acid in the Pinellia ternate(Thunb.)Breit.at different growth stages was determined by TLC.[Result] The content of γ-aminobutyric acid and peak area were in good linear relationship in the range of 0-1.0 mg/ml(r=0.998 1),the average recovery rate was 95.6%,RSD was 4.12%.The content of γ-aminobutyric acid in Pinellia ternate(Thunb.)Breit.was 0.143% in early May.[Conclusion] The best harvest time of Pinellia ternate(Thunb.)Breit.is the first ten days of May.

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基金项目(Foundation): Supported by Zhangjiajie Science and Technology Project of Hunan Province (2004024);; Key Laboratory Open Fund of Forest Products and Chemical Industry Engineering of Hunan Province(JDZ201004)

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