为什么猪油会凝固,而普通食用油不会?

2025-03-16 04:53:11
推荐回答(5个)
回答1:

在正常的温度下猪油只是比食用油更容易凝固而已。
油脂分油和脂两种,一般植物油中含油较多,油分子中含不饱和脂肪酸高,不容易凝固。动物油一般是脂,饱和油脂,容易凝固。植物油中一般含油较多,脂较少,但花生油中含大量的脂,也很容易凝固。天气冷一点就凝固了,说明买的花生油是正品,质量较好,一些假货不容易凝固或部分凝固。
所以油需要凝固那么含有不饱和脂肪酸含量较高,那么凝固也就比较容易,根据植物油和动物油的特点来说,猪肉一般不饱和脂肪酸含量比较低,油脂高容易凝固。而植物恰好相反只是说凝固的温度要低很多,不容易凝固。

回答2:

你好,物体要到了凝固点就会凝固。因为猪油的凝固点较高,而普通食用油则低很多,所以猪油容易凝固。猪油凝固点最低,猪油成分主要是饱和油脂,常温下是固体。普通食用油的成分主要是不饱和油脂,常温下是液体。

回答3:

猪油和普通食用油都会凝固的,只不过猪油的凝固点一般在30多到40多度之间,所以在通常情况下看到的猪油是凝固状的,而普通的食用油根据种类不同,凝固点也不一样,一般情况下各种油的凝固点分别是: 花生油 10-15℃ 橄榄油 5℃ 棉籽油 0℃ 大豆油、葵花籽油、菜籽油
-10℃ 玉米油 -10℃以下

回答4:

猪油是动物油,牛油羊油凉的时候都会凝固,而普通的食用油都是植物油花生油菜籽油之类的

回答5:

猪油的凝固点较高,而植物油则低很多
所以猪油容易凝固,物体到了凝固点就会凝固。各种油凝固点不同,有的高,有的低。猪油最低

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