川贝止咳露由薄荷脑、川贝母、桔梗、前胡、桑白皮、百部、枇杷叶等七味药组成,主要用于止嗽祛痰。薄荷脑为方中主要药味。本法用丙酮作溶剂,用毛细管气相色谱法测定川贝止咳露中薄荷脑的含量。本法快速、简便、准确,分离度好,灵敏度高。1仪器与试药Agilent 6890(含FID检测器) Chuanbei cough syrup by the menthol, Fritillaria, Campanulaceae, Peucedanum, Morus alba, one hundred, loquat leaf and other seven herbs, mainly for cough and expectorant. Menthol is the main drug flavor. This method uses acetone as a solvent, capillary gas chromatography Determination of Chuanbei cough deodorant menthol content. This method is fast, simple, accurate, good separation and high sensitivity. 1 instruments and reagents Agilent 6890 (including FID detector)