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分枝石蕊属于地衣植物中的石蕊科石蕊属的地衣植物,松萝酸是其主要成分之一。据实验证明,松萝酸易溶于氯仿及丙酮,且在地衣显色反应中,松萝酸与KOH反应显黄色;与KOH和NaC1混合液反应显深黄色。松萝酸在丙酮溶液中是黄色斜方棱柱结晶,在甲醇溶剂中呈黄色针状结晶,在乙醇溶剂中呈黄色针状结晶,用笨-乙醇(1:1)混合溶剂可将从甲醇及乙醇溶剂中提取出的粗品进行纯化,并得到松萝酸精品。本实验通过测定分枝石蕊中的有效成分,为今后该类植物的开发应用提供一定的科学依据。
Branched litmus belongs to the lichen family of the genus Lycoris in the lichen flora, and Usnic acid is one of its main components. According to experiments, usnic acid is easily soluble in chloroform and acetone, and in the lichen color reaction, usnic acid reacts with KOH to show a yellow color; the reaction with KOH and NaC1 mixture shows a deep yellow color. Usnic acid is an orthorhombic prism crystal in acetone solution, yellow needle crystals in methanol solvent, yellow needle crystals in ethanol solvent, and mixed solvent with stupid-ethanol (1:1) from methanol and The crude product extracted from the ethanol solvent is purified and the usnic acid extract is obtained. In this experiment, the active components in the litchi core were determined to provide scientific basis for the development and application of this type of plant in the future.