一、工業淀粉的用途
工業級淀粉糊黏度比其他淀粉黏(nian)度變(bian)動小,因此(ci)常常被用于上漿劑,粘接劑和各(ge)類食品類的(de)增稠劑。淀粉煮(zhu)冷卻,若濃度超出(chu)3.5%就行成(cheng)(cheng)軟的(de)凝膠,若濃度達標6%左(zuo)右(you)便會變(bian)成(cheng)(cheng)彈性系數極大的(de)凝膠。
糖(tang)化原料:工業淀粉是糖(tang)膠(jiao)、葡萄糖(tang)和其他變性(xing)淀粉的(de)原料。造紙:工業淀粉作上(shang)漿劑和涂覆劑,可增加紙的(de)拉(la)力,改善表面(mian)強度與印刷適應性(xing)能。
二、工業淀粉和食用淀粉的區別
工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)與食用(yong)淀(dian)(dian)粉(fen)(fen)的不同是工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)含有(you)重(zhong)金(jin)屬(shu)(shu)、有(you)毒(du)物(wu)質(zhi)等雜質(zhi),且工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)沒有(you)衛生(sheng)方面(mian)的要(yao)求(qiu)。第二工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)與食用(yong)淀(dian)(dian)粉(fen)(fen)的不同之(zhi)處還在于工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)含有(you)重(zhong)金(jin)屬(shu)(shu)、有(you)毒(du)物(wu)質(zhi)等雜質(zhi),且工(gong)(gong)業淀(dian)(dian)粉(fen)(fen)沒有(you)衛生(sheng)方面(mian)的要(yao)求(qiu)。而食用(yong)淀(dian)(dian)粉(fen)(fen)則在感(gan)官指(zhi)標(如色澤(ze)、氣(qi)味、口感(gan)、雜質(zhi))、理化指(zhi)標和衛生(sheng)指(zhi)標(二氧化硫、鉛、砷)上(shang)有(you)嚴格(ge)的要(yao)求(qiu)。
工(gong)業淀(dian)粉的(de)危害(hai)性有多(duo)大?其實這(zhe)個取決于(yu)里面有毒(du)有害(hai)物(wu)質的(de)含量(liang),因此(ci)工(gong)業淀(dian)粉只能(neng)用于(yu)制(zhi)作糨糊、造紙(zhi)和涂料加工(gong)等(deng),不能(neng)用于(yu)食(shi)品加工(gong),廣(guang)泛用于(yu)造紙(zhi)行業。
總結:食用(yong)(yong)淀(dian)(dian)粉(fen)(fen)主要(yao)(yao)是(shi)(shi)添加到食材中,而工(gong)業淀(dian)(dian)粉(fen)(fen)是(shi)(shi)絕對不可(ke)以的,工(gong)業淀(dian)(dian)粉(fen)(fen)主要(yao)(yao)是(shi)(shi)用(yong)(yong)來造紙等(deng)工(gong)業加工(gong),大(da)家可(ke)千萬不要(yao)(yao)弄(nong)混(hun)淆,這可(ke)是(shi)(shi)關(guan)乎(hu)到咱們食品安(an)全(quan)的的重要(yao)(yao)問題,大(da)家選購的時候一定要(yao)(yao)擦亮(liang)眼睛(jing),不要(yao)(yao)選錯了(le)。