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菜叶和菜梗哪种的营养价值更高
更新时间: 2020-10-03 00:00:00  

菜叶的营养价值更高。

蔬菜的叶部比茎部维生素C含量高,外层菜叶比内层菜叶含量高。蔬菜的外皮和叶子中的营养素含量明显高于菜心。例如,莴笋叶中的胡萝卜素及钙含量要比茎部高5、4倍。接受日照充分的绿叶部分营养也更佳。如茄子靠近表皮的外层茄肉价值更高,绿叶菜中的芹菜,深绿色芹菜叶要比淡绿色的茎含有更多的维生素A和维生素C。

关键词: 菜叶 营养 价值

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