艾叶为菊科植物艾(Artemisia Argyi)的干燥叶片,水蒸气蒸馏提取的艾叶油具有平喘、止咳、消炎作用,对慢性支气管炎、哮喘具有肯定的疗效。为了寻找艾叶油的平喘有效成分,通过植化分离提取,证实艾叶油为一多组份的混合物,对艾叶油的低沸点、中沸点、高沸点部位进行了药理筛选,肯定了中沸部位有较强的平喘作用,并对由 The leaves of Artemisia Argyi are the dry leaves of Artemisia Argyi. The steamed and extracted wormwood oil has anti-asthmatic, antitussive and anti-inflammatory effects, and has a positive effect on chronic bronchitis and asthma. In order to find the anti-asthmatic effective components of the wormwood oil, it was confirmed through the phytochemical separation and extraction that the wormwood oil was a multi-component mixture. The pharmacological screening of the low-boiling point, medium-boiling point and high-boiling point of the wormwood oil was carried out, and the medium boiling point was confirmed. There is a strong asthma effect, and by