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从防风水提液中得到２种酸性杂多糖ＸＣ－１，ＸＣ－２，其平均分子量为 １３１００和 ７３ ５００。通过 ＴＬＣ和 ＧＣ确定了糖的组成和摩尔比，应用 ＩＲ，~１Ｈ和~(１３)ＣＮＭＲ谱对多糖进行了初步结构研究。初步药理实验证明，防风多糖ＸＣ－２具有显著增强机体免疫功能的作用。
Two kinds of acidic heteropolysaccharides XC-1, XC-2 were obtained from the extract of the windproof water, and their average molecular weights were 13100 and 73500. The composition and molar ratio of sugars were determined by TLC and GC. Preliminary structures of polysaccharides were studied by IR, ~1H and ~(13)CNMR spectra. Preliminary pharmacological experiments have demonstrated that the polysaccharide XC-2 has a significant effect on enhancing the body’s immune function.