食盐是烹调食品不可缺少的调料。无盐的食品清淡无味,影响食欲,即使爱吃甜味的儿童,一天不吃带咸味的食物,也会不思饮食。食盐也叫氯化钠,钠对人的生存起着重要的作用。它与细胞的新陈代谢、维持酸碱平衡、血液循环都有密切关系。缺少了它就会感到头晕、乏力,血压下降。三岁以上的小儿和成人,每天食盐的 Salt is indispensable to cooking food seasoning. Salt-free food light and tasteless, affecting the appetite, even sweet children, one day do not eat salty foods, will not eat. Salt is also called sodium chloride, sodium plays an important role in human survival. It is with the cell metabolism, maintaining acid-base balance, blood circulation are closely related. Lack of it will feel dizzy, weakness, blood pressure. Children over three and adults, daily salt