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药用薏苡仁系禾本科植物薏苡(Coix lachry-ma-jobi var.ma-yuen)的种仁。近年来对薏苡仁进行了深入研究,发现一些新的活性成分。一、薏苡仁的化学成分:薏苡仁的一般成分有淀粉(50～79％)、蛋白质(16～19％)、脂肪油(2～7％,系棕榈酸、硬脂酸、油酸,亚油酸、肉豆蔻酸、亚麻酸的甘油脂)、类脂(糖脂5.67％,磷脂1.83％)、维生素B_1(330mg％)、亮氨酸、赖氨酸、精氨酸、酪氨酸等氨基酸、腺苷以及磷、钙、铁等矿物质;特殊成分有薏苡仁酯(coixenolide)、薏苡素(coixol)、阿魏酰豆甾醇(feruloyl stigma-sterol)、阿魏酰菜子甾醇(feruloyl campe-sterol)、薏苡多糖A、B、C(coixan A、B、C)、中性葡聚糖1～7、酸性多糖CA-1、CA-2、4-酮松脂醇
The medicinal coix seed is the seed of Coix lachry-ma-jobi var. ma-yuen. In recent years, in-depth research has been conducted on Coix seed and some new active ingredients have been discovered. First, the chemical composition of Coix Seed: Coix Seed’s general composition is starch (50 ~ 79%), protein (16 ~ 19%), fatty oil (2 ~ 7%, palmitic acid, stearic acid, oleic acid, Asia Oleic acid, myristic acid, linolenic acid glycerol), lipids (glycolipid 5.67%, phospholipids 1.83%), vitamin B_1 (330mg%), leucine, lysine, arginine, tyrosine, etc. Amino acids, adenosine, and minerals such as phosphorus, calcium, and iron; special components include coixenolide, coixol, feruloyl stigma-sterol, and feruloyl campe-sterol ), Lycium barbarum polysaccharides A, B, C (coixan A, B, C), neutral glucans 1-7, acidic polysaccharides CA-1, CA-2, 4-ketostearol