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综述了茶多糖的提纯精制方法、多糖组成及药理作用。目前多用水提法制茶多糖粗品;经除蛋白、脱色初步纯化;用沉淀法、超滤法或柱层析法等进一步纯化;多糖组成因原料及分离纯化方法不同有较大差别。茶多糖具有降血糖、降血脂、抗血栓、降血压及增强机体免疫力等功能,可用于糖尿病、心脑血管病的辅助治疗。
The purification, purification, polysaccharide composition and pharmacological effects of tea polysaccharides were reviewed. At present, the crude polysaccharides of tea polysaccharides are extracted by multiple methods of water extraction; they are initially purified by deproteinization and decolorization, and further purified by precipitation, ultrafiltration or column chromatography; and the polysaccharide composition differs greatly depending on the raw materials and the separation and purification methods. Tea polysaccharides have the functions of lowering blood sugar, lowering blood fat, anti-thrombosis, lowering blood pressure and enhancing immunity, and can be used for the adjuvant treatment of diabetes, cardiovascular and cerebrovascular diseases.