鸡蛋并非“多多益善” 尽量不吃蛋黄

鸡蛋并非“多多益善” 尽量不吃蛋黄 营养学专家认为，鸡蛋以沸水煮5-7分钟为宜。油煎鸡蛋过老，边缘会被烤焦，鸡蛋清所含的高分子蛋白质会变成低分子氨基酸，这种氨基酸在高温下常可形成有毒的化学物质。吃鸡蛋数量最多的妇女，因患上心脏病和中风而死亡的概率也要高一些，尽管从统计角度看，两者之间的联系并不十分紧密。学者们认为，这也可能和妇女很少死于这两种疾病有关。 到底吃多少鸡蛋才合适 一般情况下，健康成年人每天吃1-2个鸡蛋;老年人每天吃一个比较好;脑力劳动者每天吃两个鸡蛋比较合适;孕妇、产妇、哺乳期女性及身体虚弱者每天可吃2-3个鸡蛋，不宜再多。煮蛋是最佳的吃法，但不宜煮得过熟。 营养专家提醒：尽量不吃蛋黄 专家指出，鸡蛋是高蛋白食品，如果食用过多，可导致代谢产物增多，同时也增加肾脏的负担，一般来说，健康成年人只要密切注意和控制通过肉类和乳制品等其他途径摄入的胆固醇数量，每天吃1个鸡蛋为宜，且尽量不吃蛋黄，因为一个蛋黄就包含了健康成年人每天应当摄取的胆固醇数量的三分之二。 支招：如何挑鸡蛋 把蛋拿在手上，轻轻抖动使蛋与蛋相互碰击，细听其声;或是手握摇动，听其声音。良质鲜蛋蛋与蛋相互碰击声音清脆，手握蛋摇动无声。 The eggs are not " the more, the better. " try not to eat egg yolk Nutrition experts think, eggs cooked in boiling water for 5-7 minutes is appropriate. Fried eggs over the old, the edge will be scorched, egg proteins contained in the polymer will be low-molecular-weight amino acids, this amino acid is often at a high http://www.zhangjiafan.com temperature to form toxic chemicals. Eat eggs for the largest number of women, from heart disease and stroke and the probability of death is a bit higher, although from a statistical point of view, the connection between the two is very close. Scholars think, this may also and women rarely die from this two kinds of diseases. What to eat so many eggs are suitable In general, healthy adults eat 1-2 eggs; the elderly eat a good comparison; mental worker eats two eggs a day more appropriate; pregnant women, maternal, lactating women and the weak 2-3 day can eat eggs, not more. Egg is the best way of eating, but should not be hard boiled. Nutrition experts advise: try not to eat egg yolk The expert points out, the eggs are high protein foods, if you eat too much, can lead to an increase in metabolic products, but also increase the burden on the kidneys, in general, healthy adults as long as pay close attention to and controlled by meat http://www.biboxiang.com and dairy products in other ways of intake of cholesterol quantity, eat 1 eggs per day is appropriate, and try not to eat egg yolk, because an egg yolk contains healthy adult daily intake of cholesterol amount shall be 2/3. Tips: how to choose eggs Put the egg in his hand, gently shake the egg and egg striking together, listen to its sound; or hand shaking, listen to its sound. Good quality fresh egg and egg mutual impact sound is ringing, the egg rock sound.