I-Propylene glycol iwuketshezi olungenambala, olungenaphunga, olubonakala kancane olunokwakheka okujiyile kancane kunamanzi. Cishe ayinambitheki futhi iyisengezo sokudla esihlanganiswe ngamakhemikhali. Njenge-ethanol, iwutshwala.

Ukwengeza, njenge-solvent ephilayo, ingancibilikisa ezinye izinyibilikisi eziphilayo kangcono kunamanzi futhi ingagcina umswakama kahle. Ngenxa yalezi zakhiwo zamakhemikhali ezikhethekile, isetshenziswa kakhulu ezimonyoni. I-Propylene glycol ngokuvamile ingasetshenziswa njenge-moisturizer, i-softener, i-solvent, njll., futhi inemiphumela emihle kakhulu yokuthambisa kanye nesicelo. Ingasetshenziswa cishe kuzo zonke izimonyo, ikakhulukazi amanzi, amafutha okugcoba, ukhilimu, imaski yobuso neminye imikhiqizo.

Ngaphezu kwenkundla yezimonyo, ibalulekile futhi emkhakheni wokudla. Liyasazi, kodwa asilinaki kangako. Ngokwe-“GB 2760-2014 National Food Safety Standard – Food Additive Usage Standard”, imisebenzi ye-propylene glycol yilena: i-stabilizer, i-coagulant, i-anti-caking agent, i-defoaming agent, i-emulsifier, i-ejenti egcina umswakama, kanye nokuqina.

Ngakho-ke, kuvame ukusetshenziswa njenge-emulsifier yokudla ezokwengezwa esinkwa, ibhotela neminye imikhiqizo. Ngaphezu kwalokho, i-propylene glycol ivame ukusetshenziswa ekucubunguleni ubhiya nasezinqubweni zokukhipha njenge-solvent yezinto zephunga.

Ngaphezu kwalokho, kubangane abathanda ukubhaka, i-propylene glycol iwumkhiqizo osetshenziswa kakhulu, ongasiza amakhekhe ukuthola ukunambitheka okungcono nokunambitha.

Ngokwezindinganiso zikazwelonke, ukutholakala okuphephile kwe-propylene glycol kulandela izindinganiso ezibekwe yi-International Joint Expert Group on Food Additives, okungukuthi, ukudla kwansuku zonke akufanele kudlule i-25 mg ngekhilogremu yesisindo somzimba.

Kumuntu omdala onesisindo esingama-70 kg, umthamo omkhulu wansuku zonke awudluli ku-1.75 g. Njengamanje, emkhakheni wokukhiqiza ukudla kwe-pastry njengamaqebelengwane, lapho usebenzisa i-propylene glycol njengesengezo, indlela eyamukelwa ngokuyisisekelo ukuthi okuqukethwe akudluli amagremu angu-3 ngekhilogremu yokudla.

I-Propylene glycol ingagunyazwa ukuthi isetshenziswe njengesengezo sokudla futhi iphumelele ukuhlolwa okuqinile kokuphepha. Ngaphansi "kwezimo zokusetshenziswa ezijwayelekile kanye nokudla", "ukusetshenziswa isikhathi eside" ngeke kube yingozi empilweni.

izakhiwo zamakhemikhali

Ipropylene glycol
CAS:57-55-6
Ifomula yemolekyuli C3H8O2
isisindo samangqamuzana 76.09
Inombolo ye-EINECS 200-338-0
Iphuzu lokuncibilika -60 °C (elikhanyayo)
Iphoyinti lokubilisa 187 °C (lit.)
Ukuminyana 1.036 g/mL ku-25 °C (lit.)
I-vapor density 2.62 (vs air)
Umfutho womhwamuko 0.08 mm Hg ( 20 °C)
Inkomba ye-Refractive n20 /D 1.432(lit.

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