Vitamin A Cas: 11103-57-4
| Nọmba katalọgụ | XD91861 |
| Aha ngwaahịa | Vitamin A |
| CAS | 11103-57-4 |
| Ụdị molekụlala | C20H30O |
| Ibu molekụla | 286.46 |
| Nkọwa nchekwa | -20°C |
| Koodu tarifu akwadoro | 3004500000 |
Nkọwapụta ngwaahịa
| Ọdịdị | kristal na-acha odo odo-acha odo odo |
| Asay | 99% nkeji |
| solubility | All retinol esters bụ ihe a na-adịghị ahụkebe na mmiri, soluble ma ọ bụ nke soluble soluble na ethanol anhydrous na miscible na organic solvents.Vitamin A na esters ya na-enwe mmetụta nke ukwuu maka ọrụ nke ikuku, ihe ndị na-emepụta ihe, acid, ìhè na okpomọkụ.Mee nyocha na ule niile dị ka ngwa ngwa o kwere mee, na-ezere ikpughe ọkụ na ikuku actinic, ihe ndị na-emepụta ihe na-emepụta ihe, ihe na-eme ka oxidation (dịka ọla kọpa, ígwè), acid na okpomọkụ;jiri ngwọta kwadebere ọhụrụ. |
Vitamin A nwere ike na-arụ ọrụ dị ka onye na-achịkwa keratinization, na-enyere aka melite ọdịdị akpụkpọ ahụ, nkwụsi ike, na ire ụtọ.Vitamin A esters, otu ugboro na akpụkpọ ahụ, na-agbanwe na retinoic acid ma na-enye uru mgbochi ịka nká.A kwenyere na vitamin A dị mkpa maka ọgbọ na ọrụ nke mkpụrụ ndụ akpụkpọ ahụ.Enweghị ụkọ vitamin A na-aga n'ihu na-egosi mbelata nke anụ ahụ dermal, akpụkpọ ahụ na-etolite ma kpọọ nkụ.Ntinye vitamin A n'elu na-enyere aka igbochi akọrọ na akpụkpọ anụ ahụ, na-eme ka akpụkpọ ahụ dị mma, dị ọcha, na-eguzogide ọrịa.Njirimara mmeghari akpụkpọ ahụ na-apụta na-emewanyewanye mgbe ejikọtara ya na vitamin e.Vitamin A bụ isi ihe mejupụtara mmanụ ndị dị ka imeju imeju na shark, na ọtụtụ azụ̀ na mmanụ ihe oriri.Hụkwa retinol;retinoic acid;retinylpalmitate.
