苏州荠苧(Mosla soochowensis Matsuda)为唇形科石荠苧属植物,浙江民间用作解毒、消炎、利尿及镇痛药,药理及临床证明,其浸膏有明显的治疗流感作用。为了研究它的有效成分,将荠苧浸膏水溶液,用乙醚提取,再以5％NaOH溶液提取时,析出黄色物, Mosla soochowensis Matsuda is a plant belonging to the genus Lamiaceae, which is used in detoxification, anti-inflammation, diuresis and analgesia in Zhejiang Province. It has pharmacological and clinical evidence, and its extract has obvious effects on the treatment of influenza. In order to study its active ingredients, an aqueous solution of yttrium extract was extracted with ether and then extracted with 5% NaOH solution to precipitate a yellow substance.