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—個(ge)瓶(ping)口(kou)狀(zhuang)的(de)開(kai)口(kou),然(ran)後(hou)用(yong)自(zi)身(shen)塑(su)料(liao)連(lian)接(jie)一(yi)個(ge)瓶(ping)塞(sai)。這(zhe)樣(yang)一(yi)來(lai),不(bu)但(dan)可(ke)以(yi)省(sheng)去(qu)塑(su)料(liao)包(bao)裝(zhuang)袋(dai)在(zai)開(kai)啟(qi)時(shi)的(de)麻(ma)煩(fan),用(yong)鹽(yan)時(shi)隻(zhi)要(yao)把(ba)瓶(ping)塞(sai)拔(ba)開(kai),鹽(yan)就(jiu)會(hui)流(liu)出(chu)來(lai),想(xiang)用(yong)多(duo)少(shao)用(yong)多(duo)少(shao),用(yong)過(guo)後(hou)再(zai)隨(sui)手(shou)把(ba)塞(sai)子(zi)塞(sai)住(zhu)瓶(ping)口(kou),就(jiu)會(hui)在(zai)包(bao)裝(zhuang)開(kai)啟(qi)後(hou)非(fei)常(chang)好(hao)地(di)保(bao)護(hu)加(jia)入(ru)食(shi)鹽(yan)中(zhong)的(de)碘(dian)不(bu)會(hui)揮(hui)發(fa)。
食鹽加碘,重在強化碘的保健作用。—erzhizhongshijia,buzhongshihu,renqizhongdedianzaibaozhuangkaiqihouhuifa,shizaibushishenmehaobanfa。yinci,gaijinjiadianyandebaozhuangxingshiyishizaibixing。suirangaijinbaozhuanghuizengjiachengben,danshizhiyaoshiyouliyuxiaofeizhedejiankang,yehaishifeichangbiyaode。
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