铁苋菜为大戟科植物铁苋菜Acalypha australis L.的干燥地上部分。具有清热、利水、杀虫、止血之功效。前人仅对本品进行了化学预试,证明含有生物碱、黄酮甙、酚类、鞣质、淀粉、油脂类物质,但对其单体化学成分的分离研究尚未见报导。我们从分离出的八种化学成分中的正三十烷醇结构进行了鉴定: 该成分为白色光亮的结晶(二氢甲烷:甲醇=98 Iron amaranth is the dry aerial part of Acalypha australis L., a member of the Euphorbiaceae family. With heat, water, insecticide, hemostatic effect. The predecessors only conducted a chemical pre-test on this product, which proved to contain alkaloids, flavonoids, phenols, tannins, starches, and oils and fats, but separation studies of its monomeric chemical components have not been reported. We identified the n-triacontanol structure from the eight chemical components that were isolated: The component is a white, shiny crystal (dihydromethane:methanol=98