Vitamine A Cas: 11103-57-4
| Umubare wa Cataloge | XD91861 |
| izina RY'IGICURUZWA | Vitamine A. |
| URUBANZA | 11103-57-4 |
| Imiterere ya molekularila | C20H30O |
| Uburemere bwa molekile | 286.46 |
| Ibisobanuro birambuye | -20 ° C. |
| Amategeko agenga ibiciro | 3004500000 |
Kugaragaza ibicuruzwa
| Kugaragara | Ibara ry'umuhondo |
| Assay | 99% min |
| gukemura | Estin zose za retinol ntizishobora gushonga mumazi, gushonga cyangwa gushonga igice muri Ethanol ya anhydrous kandi ntishobora gukoreshwa numuti wa organic.Vitamine A hamwe na est est yayo yunvikana cyane nigikorwa cyumwuka, imiti ya okiside, aside, urumuri nubushyuhe.Kora ubushakashatsi n'ibizamini byose byihuse bishoboka, wirinde guhura n'umucyo wa actinic n'umwuka, imiti ya okiside, catisale ya okiside (urugero: umuringa, icyuma), acide n'ubushyuhe;koresha ibisubizo bishya byateguwe. |
Vitamine A irashobora gukora nkigenzura rya keratinisation, ifasha kunoza imiterere yuruhu, gukomera, no koroha.Vitamine A esters, iyo imaze kuba muruhu, ihindura aside retinoque kandi itanga inyungu zo kurwanya gusaza.Vitamine A ikekwa ko ari ingenzi kubyara no gukora ingirangingo zuruhu.Gukomeza kubura vitamine A byerekana kwangirika kw'imitsi ya dermal, kandi uruhu ruba rwinshi kandi rwumye.Gushyira hejuru ya vitamine A bifasha kwirinda gukama uruhu nubunini, gutuma uruhu rugira ubuzima bwiza, rusobanutse, kandi rwanduza indwara.Imiterere yuruhu rwayo igaragara nkiyongereye iyo ihujwe na vitamine e.Vitamine A ni igice kinini cyamavuta nkumwijima wa cod na shark, hamwe n amafi menshi namavuta yibimera.Reba na retinol;aside aside;retinylpalmitate.
