Propylene glycol ndi madzi opanda mtundu, opanda fungo, okhuthala pang'ono okhala ndi kapangidwe kokhuthala pang'ono kuposa madzi. Alibe kukoma konse ndipo ndi chowonjezera cha chakudya chopangidwa ndi mankhwala. Monga ethanol, ndi chinthu choledzeretsa.

Kuphatikiza apo, monga chosungunulira chachilengedwe, chimatha kusungunula zinthu zina zachilengedwe kuposa madzi ndipo chimathanso kusunga chinyezi bwino. Chifukwa cha mankhwala apaderawa, chimagwiritsidwa ntchito kwambiri mu zodzoladzola. Propylene glycol nthawi zambiri ingagwiritsidwe ntchito ngati chonyowetsa, chofewetsa, chosungunulira, ndi zina zotero, ndipo imakhala ndi zotsatira zabwino kwambiri zonyowetsa komanso kugwiritsa ntchito. Itha kugwiritsidwa ntchito pafupifupi mu zodzoladzola zonse, makamaka madzi, mafuta odzola, kirimu, chigoba cha nkhope ndi zinthu zina.

Kuwonjezera pa gawo la zodzoladzola, ndi lofunika kwambiri pa gawo la chakudya. Limatidziwa, koma sitiliganizira kwambiri. Malinga ndi "GB 2760-2014 National Food Safety Standard - Food Additive Usage Standard", ntchito za propylene glycol ndi izi: stabilizer, coagulant, anti-caking agent, defoaming agent, emulsifier, moisturizing agent, ndi thickener.

Chifukwa chake, nthawi zambiri imagwiritsidwa ntchito ngati chosakaniza chakudya chomwe chimawonjezeredwa ku buledi, batala ndi zinthu zina. Kuphatikiza apo, propylene glycol nthawi zambiri imagwiritsidwa ntchito popanga mowa ndi kuchotsa mowa ngati chosungunulira zinthu zonunkhira.

Kuphatikiza apo, kwa abwenzi omwe amakonda kuphika, propylene glycol ndi chinthu chomwe chimagwiritsidwa ntchito kwambiri, chomwe chingathandize makeke kukhala ndi kukoma kokoma komanso kukoma kwabwino.

Malinga ndi miyezo ya dziko, kudya bwino kwa propylene glycol kumatsatira miyezo yomwe yakhazikitsidwa ndi International Joint Expert Group on Food Additives, kutanthauza kuti kudya tsiku lililonse sikuyenera kupitirira 25 mg pa kilogalamu imodzi ya kulemera kwa thupi.

Kwa munthu wamkulu wolemera makilogalamu 70, chakudya chokwanira tsiku lililonse sichiposa 1.75 g. Pakadali pano, pankhani yopanga makeke monga makeke, pogwiritsa ntchito propylene glycol ngati chowonjezera, njira yomwe imagwiritsidwa ntchito ndi yakuti kuchuluka kwake kusapitirire magalamu atatu pa kilogalamu iliyonse ya chakudya.

Propylene glycol ikhoza kuvomerezedwa kuti igwiritsidwe ntchito ngati chowonjezera pazakudya ndipo yapambana mayeso okhwima achitetezo. Pansi pa "magwiritsidwe ntchito ndi zakudya zoyenera", "kugwiritsa ntchito kwa nthawi yayitali" sikungakhale kovulaza thanzi.

katundu wa mankhwala

Propylene glycol
CAS:57-55-6
Fomula ya molekyulu C3H8O2
kulemera kwa molekyulu 76.09
Nambala ya EINECS 200-338-0
Malo osungunuka -60 °C (lit.)
Kutentha kwa madzi 187 °C (lit.)
Kuchulukana 1.036 g/mL pa 25 °C (lit.)
Kuchuluka kwa nthunzi 2.62 (poyerekeza ndi mpweya)
Kuthamanga kwa nthunzi 0.08 mm Hg (20 °C)
Chizindikiro cha refractive n20 /D 1.432(lit.

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