隨sui著zhe加jia碘dian食shi鹽yan的de推tui廣guang
，如ru今jin，無wu論lun是shi城cheng市shi，還hai是shi農nong村cun，消xiao費fei者zhe隨sui處chu都dou可ke以yi買mai到dao加jia碘dian食shi鹽yan。碘dian鹽yan的de食shi用yong對dui促cu進jin城cheng鄉xiang居ju民min的de身shen心xin健jian康kang起qi到dao了le很hen好hao的de作zuo用yong。但dan是shi，由you於yu碘dian是shi一yi種zhong極ji易yi揮hui發fa的de元yuan素su，在zai其qi塑su料liao包bao裝zhuang未wei打da開kai之zhi前qian，碘dian元yuan素su應ying該gai說shuo是shi保bao存cun完wan好hao的de。但dan一yi旦dan打da開kai包bao裝zhuang，碘dian鹽yan中zhong的de碘dian元yuan素su就jiu會hui逐zhu漸jian揮hui發fa
，降jiang低di了le加jia碘dian的de作zuo用yong。據ju山shan西xi省sheng原yuan平ping市shi工gong商shang行xing政zheng管guan理li部bu門men與yu質zhi量liang技ji術shu監jian督du部bu門men的de聯lian合he調tiao查zha表biao明ming，在zai原yuan平ping市shi市shi場chang上shang出chu售shou的de加jia碘dian食shi鹽yan，無wu論lun是shi500克的小包裝
，還是2500克的大包裝，隻要塑料包裝袋一打開，就無法再把袋口封上
，加入鹽中的碘大量揮發，大大降低了碘鹽的保健功能。

　　因此
，要減少加碘食鹽中碘元素在包裝開啟後的揮發，就必須改進現階段通用的塑料袋包裝。有消費者建議在塑料包裝袋上，設計—gepingkouzhuangdekaikou，ranhouyongzishensuliaolianjieyigepingsai。zheyangyilai，budankeyishengqusuliaobaozhuangdaizaikaiqishidemafan，yongyanshizhiyaobapingsaibakai，yanjiuhuiliuchulai，xiangyongduoshaoyongduoshao，yongguohouzaisuishoubasaizisaizhupingkou，jiuhuizaibaozhuangkaiqihoufeichanghaodibaohujiarushiyanzhongdedianbuhuihuifa。

　　食鹽加碘，重在強化碘的保健作用。—erzhizhongshijia，buzhongshihu，renqizhongdedianzaibaozhuangkaiqihouhuifa，shizaibushishenmehaobanfa。yinci，gaijinjiadianyandebaozhuangxingshiyishizaibixing。suirangaijinbaozhuanghuizengjiachengben

，danshizhiyaoshiyouliyuxiaofeizhedejiankang，yehaishifeichangbiyaode。