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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To observe the hypoglycemic effect of polysaccharides from sweet potato vines (PSPV) on experimental diabetic mice, mice were divided into different groups.

研究了薯蔓多糖(PSPV)对四氧嘧啶致糖尿病小鼠的降血糖作用。

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