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菱角煮了后为什么会变黑

更新时间: 2020-08-19 00:00:00     

菱角煮了后变黑是因为菱角中的淀粉氧化了的缘故。 菱角含有丰富的淀粉、蛋白质、葡萄糖、不饱和脂肪酸及多种维生素,如维生素B1、B2、C,胡萝卜素及钙、磷、铁等微量元素。

关键词: 菱角 为什么

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