• 目的定性、定量分析药-防风、味药荆芥防风的挥发油成分

    OBJECTIVE To determine the volatile components in herbal pair Herba Schizonepetae-Radix Ledebouriellae(HS-RL), single herb HS and RL.

    youdao

  • 目的建立测定挥发油薄荷酮、胡薄荷酮含量测定方法

    OBJECTIVE To establish the method for determining the contents of menthone and P-menthone in the volatile oil of Spica Schizonepetae Tenuifoliae.

    youdao

  • 目的采用水蒸气蒸馏法中提取挥发油

    Objective The essential oils from Nepeta cataria L. were extracted by steam distillation. Methods The chemical constituents were analyzed by GC-MS.

    youdao

  • 目的采用水蒸气蒸馏法中提取挥发油

    Objective The essential oils from Nepeta cataria L. were extracted by steam distillation. Methods The chemical constituents were analyzed by GC-MS.

    youdao

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