脂质体是一种可在一定时间内、于病灶(靶)部位能释放所需浓度的药物而又不出现副作用或减少副作用的释药体系,但脂质体不够稳定且不易大量生产。而由乳磷脂乳化豆油制成的脂肪乳剂却十分稳定,室温下能保存二年,在临床上可广泛用作高营养输液,其用量高达500ml 亦无副作用。脂肪乳剂中平均直径为0.2μ的乳粒,称之为脂质微球(Lipid micro-spheres)。 Liposomes are drug delivery systems that release the desired concentration of drug at the site of the lesion (target) without any side effects or side effects over time, but liposomes are less stable and less mass-produced. The fat emulsions made from milk phospholipid emulsified soybean oil are very stable, can be stored at room temperature for two years, can be widely used in clinical nutrition infusion, the amount of up to 500ml no side effects. Lipid emulsions with an average diameter of 0.2 μ are called Lipid micro-spheres.