"Katswiri Wochotsa Utoto ndi Kuchotsa Dongo" mu Makampani a ShugaⅠ
Mu gawo la mafakitale azakudya ndi zakumwa, makampani opanga shuga ndi amodzi mwa malo ofunikira kwambiri ogwiritsira ntchito mpweya woyatsidwa. Pakupanga mitundu ya shuga monga shuga wa nzimbe, shuga wa beet, shuga wowuma, maltose, lactose, molasses, xylose, xylitol, glucose, ndi hydrolyzed protein solution, mpweya woyatsidwa umagwira ntchito yofunika kwambiri pakuchotsa utoto ndi kuchotsa fungo loipa.
Mafakitale a shuga amagawidwa m'mafakitale a shuga a nzimbe ndi mafakitale a shuga a beet. Yankho la shuga lili ndi zinthu zosiyanasiyana zopaka utoto monga melanoidins, caramel, ndi iron-polyphenol complexes. Kaboni wochita kupangidwa, womwe uli ndi malo akuluakulu (500 - 1500m²/g) komanso kapangidwe kake ka mesopores ndi micropores, ukhoza kuwonetsa magwiridwe antchito abwino a adsorption komanso magwiridwe antchito apamwamba a decolorization pochita ndi mayankho a shuga otere.
Pali ma micropores ambiri mkati mwa tinthu ta kaboni wochita kupangidwa, ndipo kukula kwa ma pore ndi kwakukulu, kuyambira ma angstrom ochepa mpaka ma micrometer angapo. Makamaka, pali ma micropores ambiri okhala ndi ma pore kukula pakati pa ma angstrom ochepa mpaka makumi angapo. Ma micropores aliwonsewa amafanana ndi malo enaake, zomwe zimapangitsa kuti malo onse a kaboni wochita kupangidwa akhale odabwitsa kwambiri. Pa gramu imodzi ya kaboni wochita kupangidwa yokhala ndi ntchito yabwino kwambiri, malo ake enieni amatha kufika pafupifupi 1000m². Chifukwa chakuti mphamvu ya atomiki pamwamba pa kaboni wochita kupangidwa ili mu mkhalidwe wosakhutitsidwa ndipo pali mphamvu zotsalira za valence, kutengera malo akuluakulu otere, mphamvu yake ya pamwamba ndi yofunika kwambiri. Chifukwa cha mphamvu ya kukhudzidwa, mphamvu ya unsaturated pamwamba pa kaboni wochita kupangidwa ikhoza kulipidwa pamlingo winawake, motero kuchepetsa mphamvu ya pamwamba. Chifukwa chake, pansi pa kutentha ndi kupanikizika kwina, pamwamba pa kaboni wochita kupangidwa imayamwa zinthu zomwe zingachepetse mphamvu yake ya pamwamba. Komabe, pamene mpweya woyatsidwa umayamwa zinthu zosiyana ndi yankho, kuchuluka kwa madziwo sikugwirizana ndi kuchuluka kwa zinthuzi mu yankho. Mpweya woyatsidwa nthawi zonse umapangitsa kuti madziwo akhale ofanana kwambiri pamwamba pa madziwo. Mwanjira imeneyi, ngakhale mphamvu ya madziwo itakhala yofanana, zinthu zopanda shuga zomwe zimakhala ndi madzi ochepa mu yankho la shuga zimakhala zosavuta kuyamwa ndi mpweya woyatsidwa poyerekeza ndi sucrose yokhala ndi madzi ambiri. Zinthu zamtundu zomwe zili mu madziwo nthawi zambiri zimakhala ndi mamolekyulu ambiri komanso kulemera kwakukulu kwa mamolekyulu. Kudzera mu kuyamwa kwa mpweya woyatsidwa, mphamvu zake za pamwamba zimachepa kwambiri, ndipo madziwo omwe amathandizidwa ndi mpweya woyatsidwa amatha kusintha mtundu. Chifukwa chakuti mpweya woyatsidwa uli ndi mphamvu yabwino kwambiri yoyeretsa ndi kuyeretsa madziwo, wakhala akugwiritsidwa ntchito kwambiri m'makampani apamwamba a shuga kunja.
Mpweya woyatsidwa ukagwiritsidwa ntchito pochiza shuga, kuwonjezera pa mphamvu yake yofunikira yochotsera mtundu, umathanso kuchotsa ma colloid ndi zinyalala zomwe zili pamwamba pa shuga. Njirayi idzawonjezera mphamvu ya pamwamba pa shuga, kuchepetsa kukhuthala kwake, kuchepetsa kupanga thovu panthawi ya nthunzi, kuwonjezera liwiro la makristalo, komanso kungathandize kwambiri njira yopangira shuga, zomwe zimathandiza kuti ma molasses ndi makristalo a shuga alekanitsidwe.
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