美食速遞 ﹕ 怎樣炒菜保持青綠?
Gourmet Express: How to keep vegetable green? Source: Supplied: Mrs Lee
怎樣炒菜才使青菜保持青綠?一般來說,綠色蔬菜應該在低溫環境保存,如果溫度超過高,所含的「葉綠素酶」會將葉綠素與蛋白質分開而散失,但如果低於零度,葉綠素又會因冷凍而遭到破壞。
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Gourmet Express: How to keep vegetable green? Source: Supplied: Mrs Lee