隔夜水不能喝,這個(gè)觀點(diǎn)我想大家肯定不陌生吧。portant; word-wrap: break-word !important;">日常生活當(dāng)中,很多人也對(duì)一直是持這樣的觀點(diǎn)的,但是,我想很多人也只是道聽途說,究竟什么原因卻不知道了。 color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">這時(shí)候,有人可能就會(huì)說了,因?yàn)楦粢沟乃锩鏁?huì)產(chǎn)生對(duì)人體有害的物質(zhì)——亞硝酸鹽。
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">亞硝酸鹽類的化合物是有害的,它一旦進(jìn)入人體,能使組織缺氧,使人出現(xiàn)惡心、嘔吐、頭痛、心慌等癥狀,嚴(yán)重還能使人缺氧致死。
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">亞硝酸鹽在人體內(nèi)還能形成亞硝胺,促發(fā)肝癌、胃癌等。portant; word-wrap: break-word !important;">不過,這也只是極端的情況。
letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">但是,事實(shí)情況究竟是怎樣的呢?portant; word-wrap: break-word !important;">近日,專家給出了研究發(fā)現(xiàn)。
letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt">
;box-sizing: border-box !important;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">據(jù)江蘇省食品藥品監(jiān)督研究院專家介紹,他們特意針對(duì)市民傳言隔夜水中含有亞硝酸鹽的說法進(jìn)行了實(shí)驗(yàn)驗(yàn)證,讓我們一起來看看。
color:#333333;letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt">
;box-sizing: border-box !important;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">portant; word-wrap: break-word !important;">(圖片來自荔枝網(wǎng)截圖)
letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">本次實(shí)驗(yàn),專家特別選用了自來水,純凈水,山泉水三種樣品。portant; word-wrap: break-word !important;">首先,專家采集好三種水的原水,并檢測(cè)了原水樣品中亞硝酸鹽的含量。portant; word-wrap: break-word !important;">經(jīng)檢測(cè),三種水中均未出現(xiàn)亞硝酸鹽。
color:#333333;letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">檢測(cè)完三種水的原水以后,專家又將三種原水煮沸再冷卻后進(jìn)行檢測(cè),結(jié)果水中出現(xiàn)了極低量的亞硝酸鹽,其含量遠(yuǎn)遠(yuǎn)低于國家飲用水標(biāo)準(zhǔn)中對(duì)亞硝酸鹽限值的要求。
color:#333333;letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
color:#333333;letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">煮沸的水中為何會(huì)含有微量的亞硝酸鹽呢?portant; word-wrap: break-word !important;">江蘇省食品藥品監(jiān)督檢驗(yàn)研究院食品室主任徐春祥告訴記者:portant;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">“這種亞硝酸鹽可能是水中的硝酸鹽,經(jīng)過加熱以后分解出的亞硝酸鹽”。
color:#333333;letter-spacing:.75pt">
portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">接著,專家又對(duì)三種水放置一天后亞硝酸鹽的含量進(jìn)行了跟蹤檢測(cè)。
color:#333333;letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt">
;box-sizing: border-box !important;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
letter-spacing:.75pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">結(jié)果顯示,這三種水的亞硝酸鹽含量有了微弱的增加。
color:#333333;letter-spacing:.75pt"> color:#333333;letter-spacing:.4pt"> portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">(圖片來自荔枝網(wǎng)截圖)
color:#333333;letter-spacing:.75pt">
;box-sizing: border-box !important;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">徐專家表示:
;box-sizing: border-box !important;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">“亞硝酸鹽的含量略有上升,說明亞硝酸鹽隨著時(shí)間的變化是會(huì)有所上升的,但是上升的高低程度和水的質(zhì)量有很大的關(guān)系。portant;word-wrap: break-word !important;
color:rgba(39, 39, 42, 0.760784)">”
color:#333333;letter-spacing:.75pt">
portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">亞硝酸鹽的含量再次增加后,這三種水還能安全飲用嗎?
color:#333333;letter-spacing:.75pt">
;box-sizing: border-box !important;word-wrap: break-word !important; color:rgba(39, 39, 42, 0.760784)">專家給出了如下建議:portant;word-wrap: break-word !important; color:rgba(39, 39, 42, 0.760784)">“從試驗(yàn)數(shù)據(jù)表明,只要是原水合格的,隔夜水的這點(diǎn)亞硝酸鹽的變化,并不會(huì)對(duì)人體安全造成影響。portant; word-wrap: break-word !important;">同時(shí),亞硝酸鹽隨著時(shí)間的變化,還會(huì)不斷增高,因此我們建議如果放置時(shí)間過長(zhǎng)的水,還是不要飲用。portant;word-wrap: break-word !important; color:rgba(39, 39, 42, 0.760784)">” portant;
word-wrap: break-word !important;color:rgba(39, 39, 42, 0.760784)">從最后的實(shí)驗(yàn)結(jié)果來看,只要我們?nèi)粘I钪杏玫乃|(zhì)量沒問題,放了一夜的水繼續(xù)喝也是沒有問題的,可以放心的喝。portant; word-wrap: break-word !important;">不過水放置的時(shí)間太長(zhǎng)的話,還是別飲用了。portant; word-wrap: break-word !important;">喝優(yōu)質(zhì)好水,給自己一個(gè)健康的身體。
color:#333333;letter-spacing:.4pt"> color:#333333;letter-spacing:.4pt">
|