一、無碘鹽的碘含量多少

為(wei)(wei)了補(bu)碘(dian)(dian)，市面上(shang)的鹽(yan)(yan)(yan)(yan)通常會添(tian)加碘(dian)(dian)酸(suan)鉀(jia)，這種(zhong)鹽(yan)(yan)(yan)(yan)也叫加碘(dian)(dian)鹽(yan)(yan)(yan)(yan)，加碘(dian)(dian)鹽(yan)(yan)(yan)(yan)一般(ban)每100克鹽(yan)(yan)(yan)(yan)中，含碘(dian)(dian)量為(wei)(wei)2500微(wei)克左右；不過(guo)對于部分不需要從鹽(yan)(yan)(yan)(yan)中攝(she)入碘(dian)(dian)的人來說(shuo)，會食用無(wu)碘(dian)(dian)鹽(yan)(yan)(yan)(yan)，那么無(wu)碘(dian)(dian)鹽(yan)(yan)(yan)(yan)是一點碘(dian)(dian)都沒有嗎？無(wu)碘(dian)(dian)鹽(yan)(yan)(yan)(yan)會不會含有碘(dian)(dian)呢？

鹽(yan)(yan)的(de)主要成分(fen)是氯(lv)化鈉(na)，鹽(yan)(yan)中的(de)碘(dian)(dian)(dian)(dian)含(han)量(liang)(liang)是額外添加的(de)，無碘(dian)(dian)(dian)(dian)鹽(yan)(yan)一(yi)般碘(dian)(dian)(dian)(dian)含(han)量(liang)(liang)為(wei)0；不(bu)過(guo)也有例外的(de)情(qing)況，鹽(yan)(yan)有海(hai)鹽(yan)(yan)、井(jing)鹽(yan)(yan)、礦鹽(yan)(yan)等多種(zhong)，其(qi)中無碘(dian)(dian)(dian)(dian)海(hai)鹽(yan)(yan)一(yi)般是指未加碘(dian)(dian)(dian)(dian)的(de)海(hai)鹽(yan)(yan)，雖然沒有額外加碘(dian)(dian)(dian)(dian)，不(bu)過(guo)海(hai)鹽(yan)(yan)中本身會(hui)有一(yi)定的(de)天然碘(dian)(dian)(dian)(dian)含(han)量(liang)(liang)，這種(zhong)無碘(dian)(dian)(dian)(dian)鹽(yan)(yan)通常會(hui)標(biao)記，碘(dian)(dian)(dian)(dian)含(han)量(liang)(liang)低(di)于5mg/kg。

二、無碘鹽是不是不咸

食鹽是(shi)家庭不(bu)可或缺的(de)調料，對于高碘(dian)地區或需要(yao)控制碘(dian)攝入的(de)特殊(shu)疾病患者來說(shuo)，可以考(kao)慮吃(chi)無碘(dian)鹽。鹽提供(gong)的(de)是(shi)咸(xian)味，那么(me)無碘(dian)鹽有(you)咸(xian)味嗎？

實際上，無碘鹽和普(pu)通(tong)的(de)加(jia)碘鹽(yan)在咸(xian)(xian)度(du)方面(mian)沒有什么(me)太大(da)的(de)區別，甚至(zhi)某(mou)種程度(du)上(shang)，無碘鹽(yan)還要稍微咸(xian)(xian)一些(xie)，因為(wei)鹽(yan)咸(xian)(xian)不咸(xian)(xian)跟加(jia)不加(jia)碘沒有關(guan)系，主要看的(de)是氯化鈉(na)的(de)含(han)量，無碘鹽(yan)是純鹽(yan)，不添加(jia)碘酸鉀，氯化鈉(na)的(de)含(han)量比(bi)加(jia)碘鹽(yan)還要高(gao)一些(xie)，因此咸(xian)(xian)度(du)會(hui)更高(gao)，使用無碘鹽(yan)的(de)時(shi)候可以稍微少放(fang)一些(xie)鹽(yan)。

總(zong)的來說(shuo)，無碘(dian)鹽(yan)并不是(shi)不咸，它和加碘(dian)鹽(yan)的味道(dao)沒有太大區(qu)別，如果不想吃(chi)太咸的話，可以(yi)考慮食(shi)用低(di)鈉鹽(yan)。