油锅不宜烧得过旺经常食用烧得过旺的油炒菜,容易发生胃溃疡,如不及时治疗,还会发生癌变。反复炸过的油不宜食用食油中的不饱和脂肪经过高热,会产生各种有害的聚合物,此物质可使人体生长停滞,肝脏肿大。另外,反复炸过的油中的维生素及脂肪酸均遭破坏。烧肉不宜过早放盐盐易使肉中的蛋白质发生凝固,使肉块缩小,肉质变硬,且不易烧烂。冻肉不宜放在高温中解冻冻肉如在火炉旁、沸水中解冻,肉组织中的水分不能 Pan should not burn too often Eat too much cooking oil stir-fried, prone to gastric ulcer, if not treated, but also carcinogenesis. Repeatedly exploded oil should not be edible Unsaturated fat in cooking oil after high fever, will produce a variety of harmful polymers, this substance can make the human body stagnation, enlargement of the liver. In addition, the oil in the repeated frying of vitamins and fatty acids have been destroyed. Pork should not be too early to put salt salt to coagulate the protein in the meat to reduce the meat, meat firm, and not easy to burn. Frozen meat should not be placed in high temperature thaw frozen meat, such as in the fire, thawing in boiling water, the water in the meat can not