草苁蓉为列当科植物草苁蓉(Boschniakia rossica Fedtsch et Flerov)的干燥全草。本实验样品是草苁蓉经加工制成的草苁蓉提取物。草苁蓉提取物中含有大量的棕榈酸和亚油酸,属于脂肪酸。脂肪酸对人体具有重要的平衡调节作用[1],但未见其定量分析的相关报道。因此,本试验通过气相色谱法建立了测定棕榈酸含量的方法,对更好控制草苁蓉提取物的质量提供实验依据。1仪器与试剂 Cistanche tubulaceae plants for the Cistanche desertification (Boschniakia rossica Fedtsch et Flerov) dried whole plant. The experimental sample is prepared by processing Cistanche grass extract. Cistanche extract contains a lot of palmitic acid and linoleic acid, are fatty acids. Fatty acids on the human body has an important balance of regulatory role [1], but no quantitative analysis of the relevant reports. Therefore, this study established a method for the determination of palmitic acid content by gas chromatography to provide experimental evidence for better control of the quality of Cistanche deserticola extract. 1 instruments and reagents