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怎样炼猪油才又白又香
更新时间: 2020-11-03 00:00:00  

炼猪油又白又香要先大火熬出油,再小火熬制,熬至油渣缩小成金黄色,最后撇出猪油,过滤一下。猪油主要由饱和高级脂肪酸甘油酯与不饱和高级脂肪酸甘油脂组成,其中饱和高级脂肪酸甘油酯含量更高。其中的不饱和高级脂肪酸甘油酯由于分子中含有碳碳双键,因此能使溴水褪色,能使酸性高锰酸钾溶液褪色。

关键词: 怎样 猪油

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