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炒菜時油要幾分熱才能放蔥花
炒菜時油要幾分熱才能放蔥花
更新时间:2024-11-17 15:33:30

  炒菜前放入炒鍋的食油燒至五六成熱即可下菜煸炒放蔥花。如果油燒得過熱,甚至燒至冒煙,油本身的營養素遭受損害,而且油過熱,菜下鍋後易把菜燒焦,也破壞了菜的營養價值。另外,炒菜油燒得過熱,在油底會出現一種很濃的硬脂化合物,人體攝人後會使胃粘膜壞死,引起低酸胃炎和胃潰瘍,久而久之甚至可能發生胃癌。

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