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选购新鲜鸡蛋有三招
来源:http://www.zuixianya888.com 时间:2014-11-5 11:25:11
久置的鸡蛋轻易变质,如何选购新鲜鸡蛋便显得极为主要了。
Long for egg easy metamorphism, how to choose fresh egg becomes extremely important.
  一看:鲜蛋的蛋壳上附着一层白霜,蛋壳颜色鲜明,气孔显著,反之则为陈蛋。
A look: frost fresh eggs eggshell attached, eggshell color is bright, stomata, and vice versa for Chen Dan.
  二摇:用手轻轻摇动,没有声音的是鲜蛋,有水声的是陈蛋。
Two wave: hand gently shake, no sound is fresh eggs, water is Chen Dan.
  三试:将鸡蛋放进冷水中,下沉的是鲜蛋,上浮的是陈蛋。
Three tests: the eggs into cold water, sink the eggs, float is Chen Dan.
  此外,对蛋壳颜色是否均匀、蛋壳是否光滑等指标也要留心。假如蛋壳颜色不均匀或者蛋壳比较粗糙,就有可能是不健康的鸡下的蛋,不要选购。
In addition, the color of eggshell is homogeneous, eggshell is smooth and other indicators also have to pay attention to. If the shell or egg shell color uneven rough, there may not be a healthy chicken eggs, not to buy.
     另外,人们在购买鸡蛋时,一般只注意是否有坏的蛋,不过问它的保质期,大多数人也说不出鸡蛋的保质期是多长时间。尤其是在天气比较寒冷的时候,很多人觉得鸡蛋根本不会坏。
In addition, people in the purchase of eggs, generally only pay attention to whether there is a rotten egg, but ask its shelf life, most people could not say how long is the egg shelf life. Especially when the weather is cold, a lot of people think the eggs will not bad.
  食品药品监督管理局的专家指出,和蔬菜、肉类一样,鸡蛋也有保质期。实验表明,温度在2℃—5℃的情况下,鸡蛋的保质期是40天。冬末春初室内常温下为15天,夏季室内常温下为10天。
Experts pointed out that the food and drug administration, like vegetables, meat, eggs also has expiration. Experimental results show that the temperature at 2 C and 5 C under the condition that the egg shelf life is 40 days. In late winter and early spring room temperature for 15 days, the summer indoor temperature for 10 days.