“开门七件事,柴米油盐酱醋茶”。很早就与人类打交道的食盐,平凡却又不可或缺。然而在现代科技生活的影响下,食盐的“业务范围”不断扩大,分工也越来越细,从原来的调味品,逐渐朝保健和营养素补充剂的方向发展。除了最普遍的加碘盐,市面上还有低钠盐、加钙盐、竹盐、海盐等品种,价钱也参差不齐。消费者面对五花八门的选择,大有无“盐”以对之感。对于食盐,你懂多少呢? “Seven things open the door, Chamoyuyancu vinegar tea ”. The salt that dealt with humans long ago was trivial but indispensable. However, under the influence of modern science and technology, salt’s “business scope” is constantly expanding and its division of labor is getting finer and finer. From the original condiments, it gradually develops toward the direction of health supplements and nutrient supplements. In addition to the most common iodized salt, the market there are low sodium salt, calcium salt, bamboo salt, sea salt and other varieties, the price is also uneven. Consumers are faced with a wide variety of choices, there is no “salt” to feel it. How much do you know about salt?