I-Vitamin a CAS: 68-26-8 Intengo Yomkhiqizi

I-Vitamin A ibalulekile emisebenzini ehlukahlukene yomzimba, okuhlanganisa:

Umbono: I-Vitamin A iyadingeka ekwakhekeni kwe-rhodopsin, i-molecule esweni esivumela ukuthi sibone ezimweni zokukhanya okuphansi.

Ukusekelwa kwesistimu yokuzivikela komzimba: Kudlala indima ebalulekile ekusebenzeni okuvamile kwesistimu yokuzivikela komzimba futhi kusiza ukugcina ubuqotho besikhumba kanye nolwelwesi lwamafinyila, okusebenza njengesithiyo ekuthelelekeni.

Ukukhula nokwehlukaniswa kwamaseli: I-Vitamin A ibalulekile ekukhuleni nasekuthuthukisweni kwamaseli, ikakhulukazi esikhumbeni nakwezinye izicubu ze-epithelial.

Ukusetshenziswa kwe-vitamin A kuhlanganisa:

Impilo yokubona: I-Vitamin A isetshenziswa ekwelapheni izimo ezahlukahlukene zamehlo, okuhlanganisa ubumpumputhe basebusuku kanye nezinye izinkinga zokubona.

Impilo yesikhumba: Kuyisithako esitholakala emikhiqizweni eminingi yokunakekelwa kwesikhumba ngenxa yendima yaso ekugcineni impilo nobuqotho besikhumba.

Ukwengezwa kokudla: Ezimweni lapho ukudla kunganele, izithasiselo zevithamini A zinganconywa ukuqinisekisa amazinga anele emzimbeni.