According to the analysis of IR fingerprint characteristics absorption, the result showed that the PSPV was an acidic polysaccharide containing a carboxyl.
通过对甘薯蔓多糖红外光谱指纹区的特征吸收解析表明：甘薯蔓多糖含有羧基，是一种中偏酸性多糖；
According to the analysis of IR fingerprint characteristics absorption, the result showed that the PSPV was an acidic polysaccharide containing a carboxyl.
通过对甘薯蔓多糖红外光谱指纹区的特征吸收解析表明：甘薯蔓多糖含有羧基，是一种中偏酸性多糖；
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