Vithamine A Cas: 11103-57-4
| Nomoro ea lethathamo | XD91861 |
| Lebitso la Sehlahiswa | Vithamine A |
| CAS | 11103-57-4 |
| Foromo ea molek'hulela | C20H30O |
| Boima ba Molek'hule | 286.46 |
| Lintlha tsa polokelo | -20°C |
| Khoutu ea Lekhetho e Kopantsoeng | 3004500000 |
Tlhaloso ea Sehlahisoa
| Ponahalo | likristale tse 'mala o mosehla |
| Assay | 99% mets |
| ho qhibiliha | Li-retinol ester kaofela ha li khone ho qhibiliha ka metsing, li qhibiliha kapa li qhibiliha ka mokhoa o itseng ka ethanol e anhydrous, 'me li kopane ka metsoako ea tlhaho.Vithamine A le li-ester tsa eona li ameha haholo ketsong ea moea, li-oxidizing agents, acid, leseli le mocheso.Etsa liteko le liteko tsohle ka potlako kamoo ho ka khonehang, ho qoba ho pepesehela khanya ea actinic le moea, li-oxidising agents, li-catalysts tsa oxidation (mohlala, koporo, tšepe), li-acids le mocheso;sebelisa litharollo tse sa tsoa lokisoa. |
Vithamine A e ka sebetsa e le keratinization regulator, e thusang ho ntlafatsa sebopeho sa letlalo, ho tiea le ho ba boreleli.Vithamine A ester, hang ha e le letlalong, e fetolela ho retinoic acid mme e fana ka melemo e khahlanong le botsofali.Ho lumeloa hore vithamine A e bohlokoa bakeng sa ho hlahisa le ho sebetsa ha lisele tsa letlalo.Khaello ea vithamine A e tsoelang pele e bontša ho senyeha ha lisele tsa dermal, 'me letlalo le ba le teteaneng le ho omella.Tšebeliso ea vithamine A ka holim'a metsi e thusa ho thibela ho omella ha letlalo le ho omella, ho boloka letlalo le phetse hantle, le hlakile, 'me le sa khone ho tšoaetsoa.Matla a eona a ho nchafatsa letlalo a bonahala a ntlafala ha a kopantsoe le vithamine E.Vithamine A ke karolo e ka sehloohong ea oli e kang sebete sa cod le shaka, le litlhapi tse ngata le oli ea meroho.Sheba hape retinol;retinoic acid;retinylpalmitate.
