做菜时必须注意保护蔬菜中的维生素，防止流失。为此，做菜要先洗后切，切过了不要泡在水里，因为许多维生素都能溶解在水中。有人喜欢把青菜放在热水里“烫一烫”再炒，这样维生素损失得太多。另外，菜不要煮得太烂，也不宜用油炸，特别是维生素Ｃ非常不稳定，长时间的熬煮和 Vegetables must be taken to protect the vitamins in vegetables to prevent loss. To do this, first wash after cutting, cut it off in the water, because many vitamins can dissolve in the water. Some people like to put vegetables in hot water “hot one” and then speculation, so much loss of vitamins. In addition, the dishes do not cook too bad, it is not appropriate to use fried, especially vitamin C is very unstable, long cooking and