Cov Khoom Siv thiab Kev Siv Ntawm Lanolin

Lanolinyog cov khoom lag luam zoo tu qab los ntawm kev ntxhua khaub ncaws ntawm cov ntaub nyias nyias, uas tau muab rho tawm thiab ua tiav los ua cov lus qhia ua kom zoo, tseem hu ua cov yaj siv. Nws tsis muaj triglycerides thiab yog lub zais cia los ntawm cov qog sebaceous ntawm yaj tawv.
Lanolin yog qhov sib xyaw zoo sib xws rau tib neeg sebum thiab tau siv dav hauv cov tshuaj pleev ib ce thiab cov khoom siv tshuaj pleev. Lanolin yog ua kom zoo nkauj thiab ntau yam lus Lanolin tau tsim los ntawm ntau cov txheej txheem xws li fruments, saponification, acetylation thiab etetylation thiab kev coj siab. Cov hauv qab no yog qhia luv luv rau cov khoom thiab kev siv ntawm Lanolin.
Anhydrous Lanolin
Tau qhov twg los:Lub ntsej muag ntshiab waxy tau txais los ntawm kev ntxuav, decolorizing thiab deodorizing yaj cov ntaub plaub. Cov ntsiab lus dej ntawm Lanolin tsis yog ntau tshaj 0.25% (pawg feem ntau (thiab tus nqi ntawm antioxidant yog li 0.02% (pawg feem); EU Pharmacopoeias 2002 qhia meej tias Butylhydloxytoluene (BHT) hauv qab 200mg / kg tau ntxiv ua antioxidant.
Khoom:Anhydrous Lanolin yog lub teeb daj, oily, waxy thiab dej tsw qab. Melted lanolin yog pob tshab lossis yuav luag pob tshab xim daj. Nws yog yooj yim soluble nyob rau hauv benzene, chloroform, ether, thiab lwm yam nws yog insoluble hauv dej. Yog tias muab tov nrog dej, nws tuaj yeem maj mam nqus dej hauv dej sib npaug rau 2 zaug ntawm nws tus kheej qhov hnyav tsis muaj kev sib cais.
Cov Ntawv Thov:Lanolin tau siv dav hauv cov tshuaj pleev thiab cov tshuaj pleev ib ce. Lanolin tuaj yeem siv ua cov cab hlau hydrophobic rau kev npaj ntawm cov dej-hauv-roj cream thiab ointments. Thaum sib xyaw nrog cov roj zaub haum lossis roj av jelly, nws tsim tawm cov nyhuv emollient thiab nkag mus rau ntawm daim tawv nqaij, yog li ua kom haum tshuaj yeeb.LanolinSib tov nrog hais txog ob zaug ntawm cov dej tsis cais, thiab cov txiaj ntsig emulsion tsis yog rancidify hauv kev khaws cia.
Lub emulsifying cov nyhuv ntawm cov lanolin feem ntau yog vim muaj zog emulsifying hwj chim ntawm α- thiab β-diols muaj zog ntawm cov cholesterol esters thiab haus dej ntau dua. Cov tawv nqaij hauv cov tawv thiab ua kom lub ntsej muag tawv nqaij, nce cov ntsiab lus dej ntawm cov tawv nqaij saum npoo av, thiab ua raws li cov neeg ntub dej los ntawm kev poob ntawm cov dej Epidermal hloov chaw.
Tsis zoo li tsis-polar hydrocarbons xws li cov ntxhia roj thiab roj av tsis muaj peev xwm los ntawm stratum Corneum, cia siab rau kev nqus cov nyhuv thiab kev tua neeg. Nws yog tsuas yog siv nyob rau hauv txhua hom kev saib xyuas tawv nqaij, tshuaj pleev cov tshuaj pleev thaiv duab thiab cov tshuaj pleev plaub hau zoo nkauj, thiab cov xab npum, thiab lwm yam.
Kev Nyab Xeeb:Super ilvlanolinMuaj kev nyab xeeb thiab feem ntau suav tias tsis muaj kev lom zem thiab tsis muaj kuab lom, thiab qhov tshwm sim ntawm kev ua xua ntawm cov cai ntawm cov pej xeem muaj kwv yees li 5%.