Vitamine A CAS: 11103-57-4

Vitamine A igira uruhare runini mu gushyigikira amaso, cyane cyane mu bihe by'urumuri ruto, mu gufasha mu gukora ibara ryihariye ry'urumuri muri retina. Byongeye kandi, ifasha kubungabunga uruhu rwiza, uturemangingo tw'umukara, n'imikorere y'ubudahangarwa bw'umubiri, ikagira uruhare runini mu kwirwanaho kw'umubiri no kurwanya ubwandu. Nk'umuti urwanya ogisijeni, ifasha kurinda uturemangingo guhangayika kwa ogisijeni kandi ishobora no kugira uruhare mu buzima bwiza n'imibereho myiza muri rusange. Mu rwego rw'imirire, vitamine A ikoreshwa mu nyongeramusaruro n'ibiribwa bikungahaye ku ntungamubiri kugira ngo ikemure ibibazo no gushyigikira ubuzima bwiza. Inyongeramusaruro ishobora kwitabwaho mu gihe abantu bafite ubushobozi buke bwo kubona ibiryo bitandukanye bikungahaye kuri vitamine A cyangwa bafite ibyago byo kubura bitewe n'ibibazo by'ubuzima cyangwa imirire mibi. Byongeye kandi, vitamine A ikoreshwa mu nganda zitunganya uruhu n'ubwiza kubera inyungu zayo mu guteza imbere ubuzima bw'uruhu, guhangana n'indwara nk'iz'ibiheri, no gushyigikira imiti irwanya gusaza. Uruhare rwayo mu kugenzura imikurire n'itandukaniro ry'uturemangingo bituma iba ikintu cy'agaciro mu bicuruzwa byo kwita ku ruhu byagenewe kongera imiterere y'uruhu, imiterere, n'ubuzima muri rusange. Byongeye kandi, ikoreshwa rya vitamine A rigera no ku mirire y'amatungo, aho ikoreshwa nk'inyongera ku biryo by'amatungo n'inkoko kugira ngo ishyigikire gukura, kororoka, n'imikorere y'ubudahangarwa bw'umubiri. Mu gushyira Vitamine A mu biryo by'amatungo, abahinzi bashobora kwemeza ko amatungo yabo afite imirire ikwiye, bityo bigatuma agira ubuzima bwiza n'umusaruro mu buhinzi. Muri rusange, uburyo butandukanye Vitamine A ikoreshwa mu mirire, ubuvuzi, kwita ku ruhu, no ku mirire y'amatungo bugaragaza akamaro kayo nk'intungamubiri nyinshi zifasha mu bintu bitandukanye by'ubuzima bw'abantu n'ubw'amatungo.