硫酸銅作為(wei)食品添加劑(ji)有什(shen)么用(yong)途

　　硫酸銅溶液即人們(men)常說的(de)五水硫酸(suan)(suan)銅(tong)(tong)，化學式為CuSO4·5H2O。硫酸(suan)(suan)銅(tong)(tong)是制(zhi)備其他含銅(tong)(tong)化合物(wu)的(de)重要(yao)原料。同石灰乳混合可得波爾(er)多液，用(yong)作(zuo)(zuo)殺菌(jun)劑。也用(yong)于(yu)電(dian)解精煉銅(tong)(tong)時的(de)電(dian)解液。在農業行業中，硫酸(suan)(suan)銅(tong)(tong)也是一種微(wei)量元素(su)肥料，能(neng)提高葉綠素(su)的(de)穩定性(xing)，預(yu)防(fang)葉綠素(su)不致于(yu)過早地被破壞(huai)，促(cu)進作(zuo)(zuo)物(wu)吸收，用(yong)于(yu)種子處(chu)理和根外追肥。

　　以上提(ti)及(ji)的(de)(de)(de)都(dou)是(shi)硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)的(de)(de)(de)工(gong)(gong)業用(yong)途(tu)，硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)用(yong)作(zuo)(zuo)食(shi)(shi)品(pin)(pin)添加(jia)(jia)劑可(ke)(ke)能很多人(ren)都(dou)沒(mei)有(you)很了(le)解。在(zai)(zai)我們(men)的(de)(de)(de)認(ren)知當中，銅(tong)(tong)(tong)是(shi)重金(jin)屬(shu)離子，如果使(shi)用(yong)硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)作(zuo)(zuo)為(wei)食(shi)(shi)品(pin)(pin)添加(jia)(jia)劑，會不會對人(ren)體產生不好的(de)(de)(de)影響？實際上，雖說銅(tong)(tong)(tong)為(wei)重金(jin)屬(shu)離子，但(dan)銅(tong)(tong)(tong)也是(shi)我們(men)人(ren)體里面(mian)的(de)(de)(de)微量元素(su)。硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)也有(you)等級(ji)可(ke)(ke)分，分為(wei)工(gong)(gong)業級(ji)跟食(shi)(shi)品(pin)(pin)級(ji)別的(de)(de)(de)。在(zai)(zai)食(shi)(shi)品(pin)(pin)安全國家標準GB14880-2012中，明確標注了(le)，硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)可(ke)(ke)以作(zuo)(zuo)為(wei)銅(tong)(tong)(tong)的(de)(de)(de)來源。一般(ban)乳(ru)制品(pin)(pin)中的(de)(de)(de)，銅(tong)(tong)(tong)元素(su)添加(jia)(jia)量為(wei)每(mei)公(gong)斤3-7.5毫克，折算(suan)成無水硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)的(de)(de)(de)上限(xian)大約是(shi)每(mei)公(gong)斤12-16毫克。再(zai)根據我國食(shi)(shi)品(pin)(pin)添加(jia)(jia)劑標準GB2760-2011，它是(shi)可(ke)(ke)以作(zuo)(zuo)為(wei)澄清劑和螯合(he)劑用(yong)于(yu)葡萄酒及(ji)皮蛋(dan)加(jia)(jia)工(gong)(gong)中的(de)(de)(de)，并(bing)沒(mei)有(you)絕對禁止在(zai)(zai)食(shi)(shi)品(pin)(pin)中用(yong)。因此，硫(liu)(liu)(liu)酸銅(tong)(tong)(tong)食(shi)(shi)品(pin)(pin)添加(jia)(jia)劑是(shi)存在(zai)(zai)的(de)(de)(de)，也是(shi)合(he)法(fa)的(de)(de)(de)。

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