Amavithamini - isici esibalulekile ekusebenzeni okugcwele kwezitho nezinhlelo zomzimba. Enye yazo - i-vitamin A enamafutha amaningi, okwenzelwa umzimba wezingane nabantu abadala. Ukukhuluma ngokuqinile, lokhu akulona i-vitamin eyodwa, kodwa iqembu elibizwa ngokuthi i-carotenoids, ngoba okokuqala ngqangi into ekhishwe isanqante. Lezi amavithamini esesesibelethweni zinikeza ingane i-fetus ukwakha amazinyo, amathambo, ama-fat deposits kanye ne-epithelium. Ngenxa ye-vitamin A, amangqamuzana amasha akhula, futhi inqubo yokuguga iyancipha. Ngaphezu kwalokho, i-carotenoids inikezela umsebenzi wezingxenye zombono, ukukhiqizwa kwe-hormone, ukugcina izinga lokusetshenziswa kwe-insulini.
Izimpawu zokuntuleka kweVitamin A
Ukuntuleka kwevithamini A ezinganeni kulula ukucacisa. Owokuqala ukuphendula ukungapheleli kwakhe emehlweni. Ngakho-ke, ingane ikhononda ngokukhubazeka okubukwayo, ukuvuthwa okwandisiwe, ukuxubana emaceleni emisipha, "esihlabathini" emehlweni, amajwabu amehlo akhe angawayeka. Amazinyo asabela ngokuntuleka kwe-carotenoids ngokuzwela okukhulu koqweqwe lwawo koqweqwe lwawo, kanye nesikhumba - ukucubungula. Izingane, umzimba wazo awunayo i-vitamin A, zivame ukuthathwa izifo zokuphefumula, zibambe amakhaza futhi ziphethwe yi- anemia .
Ukuqeda ingane kulezi zinkinga kungenzeka futhi ngezimo zendlu, ukulungisa ukulinganisa kwayo. Kodwa-ke, ukudla ukudla okunevithamini A okwamanje akukona isiqinisekiso sokuphumelela. Iqiniso liwukuthi amafutha adingekayo ukuze afake i-carotenoids. Ngakho-ke, enikeza umntwana i-pure of izaqathe, engeza amaconsi ambalwa amafutha omnqumo, bese uzinika isaladi isanki nge ukhilimu omuncu noma i-sunflower. Khumbula ukuthi iningi lala mavithamini litholakala kwimikhiqizo ebomvu, i-orange nephuzi.
Usizo - ekhemisi?
Akunakwenzeka ngaso sonke isikhathi ukuhlinzeka ingane ngokudla okugcwele okuqinisekisiwe, futhi ngokudala isidingo se-carotenoids
Ngaphambi kokuba unikeze i-vitamin A kumntanakho, qiniseka ukuthi kuyadingeka ngempela ukuyithatha, ngoba izingane azikhuthazwa ngezinhloso zokuvimbela ngenxa yesongo se-hypervitaminosis. Iqiniso liwukuthi ukudlula ngokweqile kwe-vitamin A ezinganeni kuyingozi yobungqimba bomzimba, isikhumba esomile, ukuhlanza, isicanucanu, ukuphefumula nokubonakala kwe-yellowness esikhumbeni. Ngokuphathelene nokuphathwa kokwelapha, isilinganiso sevithamini A kuya kubantwana sinqunywa udokotela kuleso simo ngasinye.