甘露聚糖肽中特殊结构糖肽MTW-1的鉴定

来源 :2016全国多糖研讨会 | 被引量 : 0次 | 上传用户:seny668
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甘露聚糖肽是从健康人咽喉部分离的α-溶血性链球菌33号菌株经深层培养、发酵提取而得到的糖肽类物质.本文从甘露聚糖肽原料中分离得到一种与主要成分结构有所差异的糖肽MTW-1.通过分子量测定、单糖组成分析、甲基化分析、傅里叶红外光谱(FT-IR)、部分酸水解、1D/2DNMR光谱等手段鉴定了MTW-1的详细结构.MTW-1为重均分子量为2.95×104,由甘露糖、葡萄糖以及少量氨基酸组成的糖肽类物质.
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