Kungani iVithamini A ibaluleke kangaka kithi? (Ake sifunde ngokushoda kweVithamini A)!

Ingabe nawe uzizwa sengathi unenkinga yokubona ebusuku? Noma ingabe isikhumba sakho ngezinye izikhathi sizizwa somile futhi siqhekekile? Uma unengane encane, ingabe iyagula ngaso sonke isikhathi? Lezi mhlawumbe yizinto ezingenzeka uma umzimba wakho ungenayo iVithamini A eyanele. Ngakho-ke namuhla, ake sixoxe ngokuthi kuyini ukuntuleka kweVithamini A, ukuthi kubangelwa yini, nokuthi singazivikela kanjani.

Iyini i-vitamin A? Kungani siyidinga?

Kalula nje, i-vitamin A iyisakhi esisebenza kakhulu emizimbeni yethu. Kufana nomsebenzi omncane emizimbeni yethu. I-Vitamin A ibalulekile ekugcineni amehlo ethu ebona kahle, isikhumba esinempilo, ukugcina amasosha omzimba ethu eqinile futhi esivikela ezifweni, kanye nokuthuthukiswa kwamaseli kanye nokusetshenziswa kwawo ngendlela efanele. Umzimba wethu awukwazi ukuzenzela i-vitamin A ngokwawo. Ngakho-ke, sidinga ukuyithola ekudleni esikudlayo.

Cabanga nje, ukuze amehlo ethu abone ebusuku, kudingeka enze imibala ekhethekile ngaphakathi kweso. I-Vitamin A iyasiza ekwenzeni imibala. Uma i-vitamin A ingekho eyanele, ukukhiqizwa kwale mibala kuncipha. Yilapho kwenzeka isimo esibizwa ngokuthi ubumpumputhe basebusuku . Okusho ukuthi, ukubona kuncipha ezindaweni ezinokukhanya okuncane ebusuku.

Ngokufanayo, i-vitamin A iyadingeka ukuze kugcinwe umswakama emehlweni ethu futhi kuvikelwe ingxenye engaphambili yeso esobala, i-cornea, ekomeni. Uma i-cornea yoma, ingonakalisa, mhlawumbe iholele nasekungabonini.

Akukhona lokhu kuphela, i-vitamin A iyasiza nasekugcineni ulwelwesi lwesikhumba sethu, amaphaphu, amathumbu kanye nomgudu womchamo uphilile. Ibaluleke kakhulu futhi ekulweni namagciwane nasekusivikeleni ezifweni.

Kunezinhlobo ezimbili zevithamini A, akunjalo?

Yebo, kunezinhlobo ezimbili eziyinhloko zevithamini A.

1. I-Vitamin A eyenziwe ngaphambilini (i-Retinol): Lokhu kungamuncwa ngqo emizimbeni yethu njenge-vitamin A. Ivame ukutholakala ekudleni kwezilwane. Isibonelo, inyama yenkomo, inkukhu, inhlanzi, ikakhulukazi isibindi namaqanda. Iphinde ifakwe kweminye imikhiqizo yobisi kanye nokusanhlamvu.

2. Ama-Carotenoid e-Provitamin A: Lawa atholakala ekudleni kwezitshalo. Lawa ma-carotenoid yiwo anika imifino nezithelo imibala ephuzi, e-orenji, nebomvu. Uma siwadla, imizimba yethu iyawaguqula abe yi-vitamin A. Edume kakhulu kulawa yi -beta-carotene . Lawa atholakala ngobuningi ekudleni okufana nezaqathi, amathanga, kanye namazambane amnandi.

Yiziphi izinkinga ezingaba khona uma ungenawo uvithamini A owanele?

Uma umzimba ungatholi i-vitamin A eyanele, kungavela izinkinga ezahlukahlukene. Ake sibone ukuthi ziyini:

• Izinkinga zamehlo: Njengoba sesixoxile kakade, i-vitamin A ibaluleke kakhulu ekuboneni. Ingaholela ekungaboni ebusuku, amehlo omile (i-xerophthalmia), ukwakheka kwamabala anegwebu endaweni emhlophe yeso (amabala e-Bitot), izilonda ze-cornea, futhi ekugcineni kube ubumpumputhe.
• Izinkinga zesikhumba:Isikhumba singase some, sibe nezikhwebu, futhi silume.
• Ukungazali: I-Vitamin A iyadingeka futhi ekusebenzeni kahle kwesimiso sokuzala. Uma inganele, kungase kube nezinkinga zokukhulelwa kwezingane.
• Ukukhubazeka kokukhula ezinganeni: Ukukhula nentuthuko ezinganeni ezincane kungase kubambezeleke.
• Ukutheleleka kwemigudu yokuphefumula: Ukutheleleka kwesifuba nomphimbo (ukutheleleka kwemigudu yokuphefumula) kungenzeka njalo ngenxa yokuncipha kokuzivikela komzimba.

Okubalulekile: Ukuntuleka kweVithamini A ezinganeni ezincane kuyimbangela ehamba phambili yobumpumputhe emhlabeni jikelele. Izigidi zezingane ziyaba yimpumputhe minyaka yonke ngenxa yalokhu. Ngakho-ke, kubaluleke kakhulu ukunakekela lokhu.

Yiziphi izimpawu zokuntuleka kwevithamini A? Uzibona kanjani?

Esinye sezibonakaliso zokuqala zokuntuleka kwevithamini A ubumpumputhe basebusuku (nyctalopia) . Lokhu kusho ukuthi kuba nzima ukubona ebumnyameni nasezindaweni ezikhanya kancane. Kodwa-ke, ukubona kuvamile ekukhanyeni okukhulu.

Njengoba isimo siba sibi kakhulu, amehlo angase ome futhi ukukhiqizwa kwezinyembezi kungase kume. Lokhu kubizwa ngokuthi 'i-xerophthalmia'. Amabala e-Bitot angavela kokumhlophe kweso. Ezimweni ezimbi kakhulu, izilonda ze-cornea zingase zivele, noma i-cornea ingase yome futhi ibe namafu (keratomalacia) bese kuba ubumpumputhe.

Ngaphezu kwalokho, njengoba kushiwo ngaphambili, izimpawu ezifana nesikhumba esomile, ukugula njalo, kanye nokukhula okungavamile ezinganeni nazo zingase zibe khona.

Kungani sintula i-vitamin A? Yiziphi izizathu?

Isizathu esiyinhloko ukuthi asitholi i-vitamin A eyanele ekudleni esikudlayo. Emazweni asathuthuka, abantu abampofu abatholi ukudla okwanele okunothe nge-vitamin A. Leyo yinkinga enkulu. Lesi simo singabonakala nakwezinye izingxenye zaseSri Lanka.

Ngaphezu kwalokho, kunezinye izizathu:

• Izinkinga zesibindi: Umzimba wethu ugcina iningi levithamini A esibindini. Ngakho-ke, uma kukhona isifo esibindini, lokhu kugcinwa kungaphazamiseka.
• Ukumuncwa Kwamafutha Kahle: I-Vitamin A iyi-vitamin encibilikayo emafutheni. Ngakho-ke, uma unesifo esivimbela amathumbu ekumunceni amafutha ngendlela efanele, ukumuncwa kwakho kwe-vitamin A nakho kuzoncipha. Izibonelo:
• Uma unesifo sohudo esingamahlalakhona
• Isifo se-Celiac
• I-cystic fibrosis
• Ezinye izifo ze-pancreas
• Ukuvaleka kwepayipi lenyongo
• Ukuntuleka kwe-zinc noma insimbi
• Ezinye izindlela zokuhlinzwa zokwehlisa isisindo (ukuhlinzwa kwe-small bowel bypass noma i-bariatric)
• Inkinga yokusebenzisa utshwala
• Uma uke wahlinzwa amathumbu akho noma i-pancreas.

Wazi kanjani ukuthi unakho lokhu? (Ukuxilongwa)

Uma udokotela esola ukuthi kukhona okungahambi kahle ngokusekelwe ezimpawini zakho, uzokuxilonga. Lokhu kuvame ukuhilela ukuhlolwa kwegazi.

• Ukuhlolwa kwe-serum retinol: Lokhu kungalinganisa inani levithamini A egazini. Kodwa-ke, njengoba imizimba yethu igcina ivithamini A eningi, amazinga evithamini A egazini ayancipha kuphela uma ukuntuleka kwayo kukhulu.
• Ukuhlolwa kwamehlo: Uma unezimpawu ezifana nokungaboni ebusuku, udokotela wakho angase futhi enze ukuhlolwa kwamehlo okukhethekile, njenge- electroretinography , okubheka ukuthi amangqamuzana azwela ukukhanya (ama-photoreceptor) ku-retina asebenza kanjani.

Ngezinye izikhathi, ukuntuleka kungaqinisekiswa ngokubona ukuthi izimpawu ziyathuthuka yini ngemva kokunikeza izithasiselo zevithamini A.

Indlela yokwelapha ukuntuleka kwevithamini A?

Uma udokotela ethola lesi simo, angakunika imithamo ephezulu yezithasiselo zeVitamin A izinsuku ezimbalwa. Bese wehlisa kancane kancane umthamo bese uqhubeka nokuwuthatha kuze kube yilapho umbono wakho nesimo sesikhumba sakho sithuthuka.

Lawa maphilisi e-vitamin A angelapha ubumpumputhe basebusuku futhi anciphise amehlo omile futhi abuyisele umswakama. Kodwa-ke, uma ukubona kulahleka ngenxa yezibazi ezibangelwa izilonda ze-cornea, kunzima ukuyelapha. Yingakho kubalulekile ukuqaphela lokhu kusenesikhathi bese uthola ukwelashwa.

Isexwayiso: Akukuhle ukunikeza izinsana imithamo emikhulu yevithamini A ngesikhathi esisodwa, ngoba ingaba yingozi kuzo. Kodwa-ke, izingane zinganikwa amaphilisi evithamini A ngemithamo efanele ngokweseluleko sezokwelapha. Imithamo inqunywa udokotela wezingane.

Futhi, udokotela uzokusiza ukuthi uhlele ukudla okulinganiselayo okuhlanganisa ukudla okunothe ngevithamini A.

Uma amazinga e-vitamin A egazini lakho engaphezu kwezinga elithile (isib., 30 mcg/dL), akukho nzuzo enkulu ekuthatheni izithasiselo. Uma kunjalo, kungcono ukudla ukudla okucebile nge-vitamin A. Ngoba, noma ngabe uthola i-vitamin A eningi kakhulu, ingaba yingozi.

Singazivikela kanjani ekushodeni kwe-vitamin A? (Ukuvimbela)

Indlela engcono kakhulu yokugwema lokhu ukudla ukudla okunempilo okuhlanganisa ukudla okunothe ngevithamini A. Yikuphi lokhu kudla okuqukethe ivithamini A?

• Imifino eluhlaza: isipinashi, i-kale, imifino eluhlaza, i-broccoli, njll.
• Imifino e-orange nephuzi: izaqathe, ithanga, ubhatata, u-squash.
• Izithelo eziphuzi neziphuzi: amawolintshi, ama-mango, ama-papaya, i-cantaloupe.
• Ubisi nemikhiqizo yobisi.
• Isibindi, inyama yenkomo, inkukhu.
• Ezinye izinhlobo zezinhlanzi ezifana ne-salmon.
• Amaqanda.
• I-Vitamin A okusanhlamvu okuqinisiwe, ilayisi, amazambane, isinkwa, ubhontshisi.

Cabanga nje, akusikho ngeze ukuthi omama bethu basiphoqelela ukuba sidle izaqathi nemifino kusukela sisebancane. Kungenxa yokuthi basinika izakhamzimba eziwusizo kangaka.

Uma kudingeka, ungathatha futhi isithasiselo sevithamini A ngokwelulekwa ngudokotela.

Yini ongayilindela uma unesifo se-vitamin A?

Uma wandisa ukudla kwakho i-vitamin A, eminye yemiphumela yokuntuleka izoqala ukubuyela emuva. Izinto ezifana nokungaboni ebusuku namehlo omile zizothuthuka. Kodwa-ke, njengoba kushiwo ngaphambili, izibazi ezibangelwa ukulimala kwe-cornea azikwazi ukulungiswa.

Ngakho-ke, kubaluleke kakhulu ukudla ukudla okwanele okuqukethe i-vitamin A. Uma kudingeka, thatha isithasiselo esiqukethe i-vitamin A. Ngoba ukungatholi i-vitamin A eyanele kungaba nemiphumela emibi kakhulu, yesikhathi eside, njengokulahlekelwa umbono.

Okokugcina, izinto okufanele uzikhumbule (Umyalezo Wokuya Ekhaya)

I-Vitamin A iyisakhi esibaluleke kakhulu ekuboneni kwethu, esikhumbeni, ekulweni nokukhubazeka komzimba kanye nokukhula. Uma ungakutholi okwanele, kungabangela izinkinga ezinkulu, kusukela ekungaboni ebusuku kuya ekungaboni.

• Nakekela ukudla kwakho. Faka ukudla okucebile ngevithamini A ekudleni kwakho kwansuku zonke, njengezaqathi, ithanga, ubhatata, imifino eluhlaza, izithelo, isibindi, amaqanda nobisi.
• Uma unezimpawu ezifana nokushintsha kombono wasebusuku noma isikhumba esomile, funa iseluleko sezokwelapha. Kungase kube ngenxa yokuntuleka kwevithamini A.
• Qaphela kakhulu izidingo zevithamini A zomama abakhulelwe, omama abancelisayo kanye nezingane ezincane.
• Ungaphuzi amaphilisi e-vitamin A ngokungadingekile ngaphandle kweseluleko sikadokotela. Ukuphuza kakhulu noma yini akwanele.

Impilo yakho isezandleni zakho. Ngokudla okunempilo, ungazivikela kulezi zinhlobo zokuntuleka.

` I-Vitamin A, ukuntuleka kwe-Vitamin A, ukudla okunomsoco, ukubona, izifo zesikhumba, amasosha omzimba, impilo yengane