Preparation method of barberry root polysaccharide BDP-I (B)

According to the invention, the biological activity of BDP-I (B) is researched, a new enlightenment is provided for the research of active basic substances of yellow thorns, and meanwhile, a potential product with a good effect is also provided. Therefore, the invention provides a method for separating and preparing a polysaccharide compound BDP-I (B) from berberis tangutorum. 本发明研究了BDP-I(B)的生物活性，为黄刺的活性基础物质研究提供了新的启示，同时也提供了一种具备良好功效的潜在产品。为此，本发明提供了一种从黄刺中分离制备多糖类化合物BDP-I(B)的方法。