Study and Application of Radix Isatidis Polysaccharide

板蓝根为十字花科植物菘蓝的干燥根，是我国传统常用大宗药材之一，具有清热解毒、凉血利咽之功效。板蓝根含有多种活性成分，多糖为其主要有效成分之一，具有抗感染、抗肿瘤、免疫调节等多种生物活性。现从板蓝根多糖的提取、分离纯化、分析测试、功效及利用等方面进行综述，为板蓝根的开发与利用提供参考依据。 Radix Isatidis is the dry root of the cruciferous plant Isatis indigotica Fortune, which is one of the most commonly used traditional medicinal materials in China with the functions of clearing heat and detoxifying, cooling blood and regulating pharynx. Polysaccharide is one of the main active ingredients of Radix Isatidis and has various biological activities such as anti-infection, anti-tumor and immune regulation. Herein, the extraction, separation and purification, analysis and testing, efficacy and utilization of Radix Isatidis polysaccharide, etc. were summarized and reviewed, which would provide guide for the development and use of Radix Isatidis.