1.Shop for fresh greens: Fresh greens are brightly coloured and inviting. When buying, pay attention to choosing greens with full leaves and bright green colors.
2.How to store: Put the greens in a plastic bag or plastic bag, try to expel the air, and then put them in the refrigerator for preservation. This preserves the freshness and emerald green color of the greens.
3.Cleaning method: When washing vegetables, gently rub them to avoid damaging the leaves. At the same time, try not to soak the greens in water for a long time so that the leaves do not turn yellow.
4.Cooking method: When cooking vegetables, try to use methods such as quick stir-frying, steaming, and boiling, and avoid stewing for a long time, so as not to change the color of the vegetables.
5.Add salt: When cooking greens, add the right amount of salt to make them greener. Because salt can promote the chlorophyll in green vegetables to dissolve better, making the color more vibrant.
6.Add vinegar: When cooking green vegetables, adding an appropriate amount of vinegar can also make the green vegetables greener. The acidic substances in vinegar can promote the chlorophyll in green vegetables to dissolve better, making the color more vibrant.
7.Avoid overheating: When cooking greens, avoid overheating so as not to destroy the chlorophyll in the greens, resulting in a yellowish color.
8.Eat in time: Cook the vegetables in time to avoid leaving them for too long, resulting in yellowing in color.