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如何鉴别真假黄芪多糖
更新时间: 2020-10-13 00:00:00  

1、通过观察颜色可以初步辨别,优质黄芪多糖为淡黄色或类白色,被氧化过的黄芪多糖即劣质黄芪多糖为红糖色或咖啡色,它的活性很低;

2、吸湿性是黄芪多糖固有特性,如果经过检验发现黄芪多糖不吸潮,则可认为它不是真正的黄芪多糖,即使目前通过工艺的改进可使黄芪多糖吸潮性降低,但完全不吸潮的黄芪多糖目前来讲仍然不存在;

3、根据黄芪多糖的自身性质辨认,黄芪多糖不溶于浓度为百分之八十或七十五的酒精,因此将待检黄芪多糖倒入浓度为百分之七十五或八十的酒精中,若黄芪多糖抱团且酒精清澈,则说明为真黄芪多糖。

关键词: 如何 鉴别 真假 黄芪 多糖

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