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- 介绍: 一种多聚糖,发现于棕色海藻,主要存在于昆布中。为线体聚合体,由β-(1→3)交联葡萄糖残基组成,含少量β-(1→6)交联物作为中间或分支点残基,含2%~3%D-甘露醇作为末端基团。易吸湿。有水溶或水不溶两种形态
- 比重: 1·8
- 比旋光度: -45 ° (C=0·9, H2O)
- 储存条件: RT
- 敏感性: 易吸潮
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