Uvithamini A Palmitate

-Delile

• UVitamin A palmitate novithamini A
• Ukusetshenziswa okuvamile namafomu
• Izinzuzo zezempilo ezingaba khona
• I-retinitis pigmentosa
• Isikhumba esonakaliswe ilanga
• Izinduna
• Imiphumela emibi kanye nezingozi
• Umbono

Ukubuka konke

I-Vitamin A palmitate iyindlela kavithamini A. Itholakala kwimikhiqizo yezilwane, njengamaqanda, inkukhu, nenkomo. Ibizwa nangokuthi i-preformed vitamin A ne-retinyl palmitate. IVitamin A palmitate iyatholakala njengesengezo esenziwe. Ngokungafani nezinye izinhlobo zikavithamini A, i-vitamin A palmitate iyi-retinoid (retinol). Ama-retinoids yizinto ezingatholakali. Lokhu kusho ukuthi zingena kalula emzimbeni futhi zisetshenziswe kahle.

UVitamin A palmitate novithamini A

UVitamin A ubhekisa kuzakhamzimba ezihlukaniswe ngamaqembu amabili athile: ama-retinoid kanye ne-carotenoids.

AmaCarotenoids yizimbala ezinikeza imifino neminye imikhiqizo yezitshalo, imibala yazo ekhanyayo. Ngokungafani nama-retinoids, ama-carotenoids awatholakali. Ngaphambi kokuba umzimba wakho uzuze kuzo ngokudla, kufanele uwaguqule abe ama-retinoids. Le nqubo ingaba nzima kwabanye abantu ukuyenza, kufaka phakathi:

• Izinsana ezizalwe ngaphambi kwesikhathi
• izinsana ezisengozini yokudla, kanye nezingane (ezingakwazi ukufinyelela inani elanele lokudla okunomsoco)
• abesifazane abasengozini yokudla abakhulelwe, noma ukuncelisa (abangenakho ukuthola inani elanele lokudla okunomsoco
• abantu abane-cystic fibrosis

Kwezinye izimo, izakhi zofuzo nazo zingadlala indima.

Zombili lezi zinhlobo zikavithamini A zisiza ukuxhasa impilo yamehlo, impilo yesikhumba, ukusebenza kwamasosha omzimba, kanye nempilo yokuzala.

Ukusetshenziswa okuvamile namafomu

IVitamin A palmitate ingathathwa ifomu lokwengeza ukuxhasa nokugcina impilo yamehlo enhle, amasosha omzimba nempilo yokuzala. Iphinde itholakale ngomjovo, kulabo abangakwazi ukuyithatha ifomu lephilisi.

Kuvame ukusetshenziswa njengesithako kuma-multivitamin, futhi kutholakala njengesithako esisodwa kwifomu lokungezelela.Lezi zithasiselo zingabhalwa njenge-vitamin A eyenziwe ngaphambili noma njenge-retinyl palmitate. Inani levithamini A elinomkhiqizo noma isengezo eliqukethe lifakwe kuhlu kwilebula kuma-IUs (amayunithi aphesheya).

I-Vitamin A palmitate itholakala kwimikhiqizo yezilwane yazo zonke izinhlobo, njenge:

• isibindi
• izikhupha zamaqanda
• inhlanzi
• ubisi nemikhiqizo yobisi
• ushizi

I-U.S. Food and Drug Administration (FDA) incoma ukuthi abantu abangaphezu kweminyaka emine badle ama-IUs angu-5 000 ka-vitamin A ekudleni okutholakala kuzo zombili izilwane, nemithombo yezitshalo (ama-retinoids kanye ne-carotenoids).

Izinzuzo zezempilo ezingaba khona

IVitamin A palmitate ifundelwe izimo eziningi futhi ingaba nezinzuzo zezempilo ezindaweni eziningi, kufaka phakathi:

I-retinitis pigmentosa

Ucwaningo lomtholampilo olwenziwe eHarvard School of Medicine, eMassachusetts Eye and Ear Infirmary luthole ukuthi ukwelashwa okuhlanganiswe ne-vitamin A palmitate, inhlanzi enamafutha, kanye ne-lutein, kungeze iminyaka engama-20 yombono owusizo kubantu abatholakala benezifo ezinhlobonhlobo zamehlo, njenge-retinitis pigmentosa kanye Izinhlobo ze-Usher syndrome 2 no-3. Ababambiqhaza bathola isengezo esine-15,000 IUs yamavithamini A palmitate nsuku zonke.

Isikhumba esonakaliswe ilanga

Ucwaningo lubike ekuhlaziyweni kwemiphumela ye-vitamin A palmitate esetshenzisiwe, kanye ne-moisturizer esekwe ngamafutha equkethe ama-antioxidants, esikhunjeni esinezithombe. Izindawo zomzimba ezifundwe zifaka phakathi intamo, isifuba, izingalo nemilenze engezansi. Ababambiqhaza bocwaningo abanikezwe inhlanganisela ye-vitamin A palmitate, bakhombise ukuthuthuka kwekhwalithi yesikhumba isiyonke eqala emavikini e-2, ngokuthuthuka okwandayo okuqhubeka nokukhula ngamasonto e-12.

Izinduna

Ukusetshenziswa kwesihloko kwemikhiqizo kadokotela equkethe ama-retinoid ekunciphiseni induna. Ama-retinols akhonjisiwe ukuthi akhuthaza kunezinye izindlela zokwelapha izinduna, njenge-tretinoin.

Kukhona ikhono likavithamini A palmitate lokuxhasa ukuphulukiswa kwesilonda nokuvikela izivikeli mzimba, lapho lisetshenziswe ngokwezihloko. Ucwaningo oluningi luyadingeka kulezi zindawo.

Imiphumela emibi kanye nezingozi

I-Vitamin A palmitate iyancibilika emafutheni futhi ihlala igcinwe kuzicubu zomzimba ezinamafutha. Ngalesi sizathu, ingakhula ifinyelele emazingeni aphezulu kakhulu, ibangele ubuthi nesifo sesibindi. Lokhu kungenzeka kakhulu ukuthi kusetshenziswe ekusetshenzisweni kwesengezo kunokudla. Abantu abanesifo sesibindi akufanele bathathe izithasiselo ze-vitamin A palmitate.

Izithako ze-Vitamin A ngemithamo ephezulu kakhulu zixhunyaniswe nezinkinga zokuzalwa, kufaka phakathi ukungahambi kahle kwamehlo, amaphaphu, ugebhezi nenhliziyo. Akunconyelwa abesifazane abakhulelwe.

Abantu abanezinhlobo ezithile zezifo zamehlo akufanele bathathe izithasiselo eziqukethe i-vitamin A palpitate. Lokhu kufaka phakathi:

• Isifo se-Stargardt (i-Stargardt macular dystrophy)
• Isigaxa sezinduku
• Izifo ezihamba phambili
• Izifo ezibuyayo ezibangelwa ukuguquka kwezakhi zofuzo i-Abca4

Izithako ze-Vitamin A palpitate nazo zingaphazamisa imithi ethile. Xoxa ngokusetshenziswa kwayo nodokotela wakho, noma usokhemisi uma njengamanje uthatha imishanguzo kadokotela, njengaleyo esetshenziselwa i-psoriasis, noma yimuphi umuthi ocutshungulwa ngesibindi. Eminye imishanguzo engathengiswa ezitolo nayo ingaphikiswa, njenge-acetaminophen (iTylenol).

Umbono

Izithako ze-Vitamin A palpitate azifanele wonke umuntu, njengabesifazane abakhulelwe nalabo abanesifo sesibindi. Kodwa-ke, zibonakala zilusizo ezimweni ezithile, njenge-retinitis pigmentosa. Ukudla ukudla okuqukethe i-vitamin A palpitate kuphephile futhi kunempilo. Ukuthatha izithasiselo kungaba yinkinga kumanani aphezulu kakhulu. Khuluma nodokotela wakho mayelana nokusebenzisa kwakho lokhu noma yikuphi ukwengeza.