Izimpawu zokushoda kukavithamini A

-Delile

• Lapho ingozi yokukhubazeka inkulu
• Inani elinconyiwe ngosuku

Izimpawu zokuqala zokushoda kukavithamini A kunzima ukuzivumelanisa nombono wasebusuku, isikhumba esomile, izinwele ezomile, izipikili ezinamafutha nokuncipha kwamasosha omzimba, ngokuvela kaningi komkhuhlane kanye nezifo.

UVitamin A utholakala ekudleni okufana namathanga, izaqathe, upopo, izikhupha zamaqanda kanye nesibindi, kanti umzimba womuntu omdala uyakwazi ukugcina unyaka owodwa wale vithamini esibindini, kanti ezinganeni lesi sitoko sihlala amasonto ambalwa kuphela.

Lapho ubhekene nokuntuleka, izimpawu zokushoda kukavithamini A zifaka:

• Ubumpumputhe basebusuku;
• Imikhuhlane nemikhuhlane njalo;
• Izinduna;
• Isikhumba esomile, izinwele nomlomo;
• Ikhanda;
• Izipikili ezinyinyithekayo nezixebuka kalula;
• Ukuntula ukudla;
• Ukushoda kwegazi;
• Ukwehla kokuzala

Ukushoda kukavithamini A kuvame kakhulu kubantu abanenkinga yokungondleki, asebekhulile nasezimweni zezifo ezingamahlalakhona, njengesifo samathumbu esivuthayo.

Lapho ingozi yokukhubazeka inkulu

Njengoba uvithamini A eyi-vitamin encibilikayo enamafutha, izifo ezithinta ukumuncwa kwamafutha emathunjini nazo zigcina zinciphisa ukumuncwa kukavithamini A. Ngakho-ke, izinkinga ezinjenge-cystic fibrosis, ukungasebenzi kahle kwe-pancreatic, isifo sokuvuvukala kwamathumbu, i-cholestasis noma amacala e-bariatric ukudlula ukuhlinzwa amathumbu amancane, kwandise ubungozi bokubangela ukuntuleka kukavithamini A.

Ngaphezu kwalokho, ukusetshenziswa ngokweqile kotshwala kunciphisa ukuguqulwa kwe-retinol kuya ku-retinoic acid, okuyindlela esebenzayo kavithamini A futhi eyenza imisebenzi yayo emzimbeni. Ngakho-ke, ukuphuza ngokweqile nakho kungaba yimbangela yokuvela kwezimpawu zokushoda kwaleli vithamini.

Inani elinconyiwe ngosuku

Inani levithamini A elinconywayo ngosuku liyahlukahluka kuye ngobudala, njengoba kukhonjisiwe ngezansi:

• Izingane ezingaphansi kwezinyanga eziyisithupha: 400 mcg
• Izingane ezisukela ezinyangeni eziyisikhombisa kuya kweziyi-12: 500 mcg
• Izingane ezineminyaka engu-1 kuya kwengu-3 ubudala: 300 mcg
• Izingane ezineminyaka engu-4 kuya kwengu-8 ubudala:400 mcg
• Izingane ezineminyaka emithathu kuya kwengu-13 ubudala: 600 mcg
• Abesilisa abaneminyaka engaphezu kwengu-13 ubudala:1000 mcg
• Abesifazane abangaphezu kweminyaka eyishumi: 800 mcg

Ngokuvamile, ukudla okunempilo nokuhlukahlukene kwanele ukuhlangabezana nezincomo zansuku zonke zikavithamini A, kubalulekile ukuthatha izithasiselo zale vithamini ngokuyalelwa ngudokotela noma isazi sokudla.