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花生油会不会结冻变白
更新时间: 2020-10-24 00:00:00  

当温度下降以后,花生油会在15度时出现凝固现象,因为花生油的凝固点较低,且花生油的浊点为4.4度,因此在冬天较低气温时就会出现凝固,这是花生油的特性之一。

其原因是花生油的脂肪酸组成中有高碳的饱和脂肪酸造成,花生油中含有20%的饱和脂肪酸,花生油中混合脂肪酸很难溶解于乙醇,其次是花生磷脂中含有较多的棕榈酸,因此,在较低的温度下会产生浑浊甚至凝固。花生油的凝固是一个渐变的过程,在温度降至某一临界点下后,最先开始凝聚出絮状沉淀,随温度的降低,进一步凝结,凝结状态为细小的结晶体聚集在一起。

关键词: 花生油

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