Propylene glycol esters ntawm fatty acid
Lwm lub npe: Fatty acid propylene glycol ester
Lub cev thiab tshuaj muaj zog
Nyob ntawm seb hom fatty acids nyob rau hauv cov qauv, cov khoom dawb mus rau daj lossis kua nplaum tuaj yeem tau txais yam tsis muaj tsw. Stearic acid thiab palmitic acid ester ntawm propylene glycol feem ntau yog cov khoom dawb. Cov khoom npaj los ntawm unsaturated acids xws li oleic acid thiab linoleic acid yog lub teeb daj kua. Tsis tas li ntawd, muaj hmoov, granular thiab waxy. HLB tus nqi ntawm propylene glycol monostearate yog hais txog 3.4.
Propylene glycol esters ntawm fatty acid yog lipophilic emulsifiers. Nws yog insoluble nyob rau hauv dej thiab soluble nyob rau hauv ethanol, ethyl acetate, chloroform, thiab lwm yam. Propylene glycol fatty acid ester muaj zoo foaming thiab emulsifying zog. Nws lub peev xwm foaming nyob ntawm cov ntsiab lus ntawm monoester. Qhov siab dua cov ntsiab lus ntawm monoester, qhov ua tau zoo dua. Nyob rau hauv txoj kev ncaj qha esterification, propylene glycol thiab fatty acid yog esterified los ntawm cua sov nyob rau hauv lub xub ntiag ntawm ib tug tsim nyog catalyst. Los yog transesterification txoj kev, tau los ntawm transesterification ntawm propylene glycol thiab roj.
Toxicological hauv paus
① LD50: nas mob qhov ncauj 10g / kg (BW).
②ADI: 0-25mg/kg (BW) (FAO/WHO, 1994).
③GRAS: FDA-21 CFR 172.856,172.862,172.866,172.340.
Daim ntawv thov
Emulsifier thiab stabilizer
GB {{{0}}} stipulates: mis nyuj thiab cov khoom siv mis nyuj (tsis suav nrog ntau yam koom nrog hauv 01.01.01, 01. 01.02, thiab 13.0), dej khov (tsis suav nrog 03.04 ice edible), thiab qhov ntau npaum li cas yog 5.0g / kg; Cov roj, roj, thiab cov khoom siv roj emulsified, nrog ntau npaum li cas ntawm 10.0g / kg; Cov txiv ntoo siav thiab cov noob (tsuas yog cov txiv ntoo kib thiab cov noob), cov hmoov nplej kib thiab cov zaub mov puffed, nrog ntau npaum li cas ntawm 2.0g / kg; Pastry, qhov siab tshaj plaws yog 3.0g / kg; Compound seasoning, ntau npaum li cas 20.0g / kg
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