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鮮淘網(wǎng)，甄選柴米油鹽醬醋茶、肉食禽蛋水產(chǎn)海鮮和零食地方特產(chǎn)，為您生活的每一天提供新鮮。

鹽有保質(zhì)期嗎

來(lái)源:鮮淘網(wǎng) 2021-04-08 16:10:54      鮮淘王子 手機(jī)版

　　食鹽中的主要成分是氯化鈉，其化學(xué)性質(zhì)穩(wěn)定，不易發(fā)生變質(zhì)，所以純食用鹽沒(méi)有保質(zhì)期，但加碘鹽保質(zhì)期為18個(gè)月，低鈉鹽保質(zhì)期為3年，加硒、加鈣、加鋅鹽保質(zhì)期為8年。為了保證食用鹽有更好的口感，最好在開(kāi)封后一年內(nèi)食用完。

　　鹽有保質(zhì)期嗎

鹽有保質(zhì)期嗎

　　純鹽沒(méi)有保質(zhì)期

　　沒(méi)有經(jīng)過(guò)加工的純鹽是沒(méi)有保質(zhì)期的，因?yàn)槁然c的穩(wěn)定性比較好，不會(huì)大聲分解和揮發(fā)，在適宜的環(huán)境下，不潮濕不污染的地方能長(zhǎng)久保存并食用。

　　多品種鹽有保質(zhì)期

　　鹽改后為了滿足市場(chǎng)的差異和多樣性需求，不斷出現(xiàn)的多品種食鹽產(chǎn)品，這些經(jīng)過(guò)加工的食鹽中，它們里面是添加了多元元素的食鹽，都是有保質(zhì)期的。一般碘鹽保質(zhì)期為18個(gè)月，低鈉鹽保質(zhì)期為3年，含鈣、鋅、硒、鐵等營(yíng)養(yǎng)鹽保質(zhì)期為8年。

　　加碘食用鹽保質(zhì)期較短

　　在所有的食鹽中，加碘食用鹽的保質(zhì)期是最短的，因?yàn)榈恹}長(zhǎng)期暴露在空氣中，或者遇到熱碘就會(huì)揮發(fā)，就會(huì)造成本身的營(yíng)養(yǎng)有所下降，甚至變質(zhì)危害身體。

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