Isolation,Purification and Structural Characterizationof Neutral Heteropolysaccharide from Bletilla striata白芨中性杂多糖的分离纯化与结构分析
A WATER SOLUBLE POLYSACCHARIDE FROM GINSENG LEAVES——PURIFICATION AND PRELIMINARY STRUCTURAL DETERMINATION OF HETEROPOLYS人参叶水溶性多糖——杂多糖P_N的纯化与结构初步确定