麦冬来源于百合科植物麦冬Ophiopogon japonicus的干燥块根，有养阴生津，润肺清心的功效。麦冬的化学成分丰富，主要成分有甾体皂苷类、高异黄酮类、多糖类等，具有保护心血管、保护消化系统、抗肿瘤、保护神经系统、改善肝、肺损伤、抗炎抗氧化、降糖、抗衰老、免疫调节等药理作用。主要对麦冬皂苷B、麦冬皂苷D、麦冬多糖、麦冬水提物及醇提物的药理作用进行全面综述，以期为麦冬的深度开发以及新药研发提供参考。

Radix Ophiopogonis is the dried root of Ophiopogon japonicus, its character is slightly cold, has nourishing Yin and promoting production of fluid, moistening the lung and clearing the heart effect. Ophiopogon japonicus is rich in chemical components, the main components are steroid saponins, high isoflavones and polysaccharides, which have pharmacological effects such as protection of cardiovascular system, protection of digestive system, anti-tumor, protection of nervous system, improvement of liver and lung injury, anti-inflammatory, antioxidant, hypoglycemic, anti-aging and immune regulation. The pharmacological effects of ophiopogonin B, ophiopogonin D, ophiopogon polysaccharide and the water extracts and alcohol extracts of Ophiopogon japonicus in recent years were roundly reviewed in order to provide reference for the further development of Ophiopogon japonicus and the research and development of new drugs.

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