Vitamin A Palmitate

Umxholo

• Vitamin A palmitate vs. ivithamin A
• Ukusetyenziswa okuqhelekileyo kunye neefom
• Izibonelelo zempilo ezinokubakho
• I-Retinitis pigmentosa
• Ulusu olonakaliswe lilanga
• Amabala
• Iziphumo kunye neengozi
• Imbonakalo

Ushwankathelo

IVitamin A palmitate luhlobo lwevithamini A. Ifumaneka kwiimveliso zezilwanyana, ezinjengamaqanda, inkuku, kunye nenyama yenkomo. Ikwabizwa ngokuba yi-preformed vitamin A kunye ne-retinyl palmitate. I-Vitamin A palmitate iyafumaneka njengesongezelelo esenziwe. Ngokungafaniyo nezinye iintlobo zevithamini A, ivithamin A palmitate yi-retinoid (retinol). I-Retinoids zizinto ezingafumanekiyo. Oku kuthetha ukuba zingena ngokulula emzimbeni kwaye zisetyenziswe ngokufanelekileyo.

Vitamin A palmitate vs. ivithamin A

I-Vitamin A ibhekisa kwizakhamzimba ezihlelwe ngokwamaqela amabini athile: i-retinoids kunye ne-carotenoids.

IiCarotenoids zii-pigment ezinika imifuno kunye nezinye iimveliso zezityalo, imibala yazo eqaqambileyo. Ngokungafaniyo ne-retinoids, ii-carotenoids azifumaneki. Phambi kokuba umzimba wakho uxhamle kuzo isondlo, kufuneka uziguqulele kwii-retinoids. Le nkqubo inokuba nzima kwabanye abantu ukuyenza, kubandakanya:

• Iintsana ezizelwe ngaphambi kwexesha
• abantwana abasesichengeni sokutya, kunye nabantwana (abasweleyo ukufikelela kwinani elaneleyo lokutya okunesondlo)
• Abasetyhini abasesichengeni sokutya abakhulelweyo, okanye ukuncancisa (abangakwaziyo ukufikelela kwinani elaneleyo lokutya okunesondlo)
• abantu abane-cystic fibrosis

Kwezinye iimeko, i-genetics nayo ingadlala indima.

Zombini ezi ntlobo zevithamini A zinceda ukuxhasa impilo yamehlo, impilo yesikhumba, ukusebenza kwamajoni omzimba, kunye nempilo yokuzala.

Ukusetyenziswa okuqhelekileyo kunye neefom

I-Vitamin A palmitate inokuthathwa kwifom yokongeza ukuxhasa nokugcina impilo yamehlo, impilo yomzimba, kunye nokuzala. Ikwafumaneka ngenaliti, kwabo bangenako ukuyithatha kwifom yeepilisi.

Ihlala isetyenziswa njengesithako kwiimultivitamini, kwaye iyafumaneka njengesixhobo sodwa kwifom yokongeza.Ezi zongezelelo zingabhalwa njenge-vitamin A eyenziwe ngaphambili okanye njenge-retinyl palmitate. Inani levithamini A elinemveliso okanye isongezelelo linodweliso kwileyibhile kwii-IUs (iiyunithi zamanye amazwe).

I-Vitamin A palmitate ifumaneka kwiimveliso zezilwanyana zazo zonke iintlobo, ezinje:

• isibindi
• izikhupha zamaqanda
• intlanzi
• ubisi kunye neemveliso zobisi
• itshizi

Ukutya kunye noLawulo lweeDrug (i-FDA) icebisa ukuba abantu abangaphezulu kweminyaka emine badle i-IUs ezingama-5 000 ze-vitamin A kukutya okuvela kwizilwanyana, nakwimithombo yezityalo (i-retinoids kunye ne-carotenoids).

Izibonelelo zempilo ezinokubakho

I-Vitamin A palmitate ifundwe kwiimeko ezininzi kwaye inokuba nezibonelelo zempilo kwiindawo ezininzi, kubandakanya:

I-Retinitis pigmentosa

Izifundo zophando lwezonyango ezenziwa eHarvard School of Medicine, eMassachusetts Eye kunye neNdlebe Infirmary zichonge ukuba unyango oludityaniswe nevithamin A palmitate, intlanzi enamafutha, kunye ne-lutein, longeze iminyaka engama-20 yombono oluncedo kubantu abafunyaniswe benezifo ezininzi zamehlo, ezifana ne-retinitis pigmentosa kunye Iintlobo zesifo seswekile se-Usher 2 kunye no-3. Abathathi-nxaxheba bafumene isongezelelo esine-15,000 IUs zevithamini A palmitate mihla le.

Ulusu olonakaliswe lilanga

Isifundo esixeliweyo kuvavanyo lweziphumo zevithamini A palmitate, kunye nesithambisi esisekwe kwioyile esinee-antioxidants, kulusu olufotoweyo. Iindawo zomzimba ezifundwayo zibandakanya intamo, isifuba, iingalo kunye nemilenze esezantsi. Abathathi-nxaxheba abafundayo abanikwe umxube we-vitamin A, babonisa ukuphucuka komgangatho wolusu ngokubanzi kwiiveki ze-2, kunye nophuculo olonyukayo oluqhubeka ukwanda ngeeveki ezili-12.

Amabala

Ukusetyenziswa kwemixholo yeemveliso zonyango ezinama-retinoid ekunciphiseni induna. I-Retinols ikwabonakalisiwe ukuba inomdla kunezinye iindlela zonyango lwe-acne, njenge-tretinoin.

Kukho amandla e-vitamin A palmitate okuxhasa ukuphiliswa kwenxeba kunye nokuzikhusela komzimba, xa isetyenziswa ngokwezihloko. Uphando oluthe kratya luyafuneka kwezi ndawo.

Iziphumo kunye neengozi

IVitamin A palmitate inyibilika inyibilike kwaye ihlala igcinwe kwizicwili zomzimba ezinamafutha. Ngesi sizathu, inokuzakhela amanqanaba aphezulu kakhulu, ibangele ityhefu kunye nesifo sesibindi. Oku kunokwenzeka kakhulu ukuba kusetyenziswe isongezelelo kunasekutyeni. Abantu abanesifo sesibindi akufuneki bathathe izongezo zevitamin A palmitate.

Izongezelelo zeVitamin A kwiidosi eziphezulu kakhulu zinxulunyaniswe neziphene zokuzalwa, kubandakanya ukungalunganga kwamehlo, imiphunga, ukhakhayi kunye nentliziyo. Akukhuthazwa ngabasetyhini abakhulelweyo.

Abantu abaneentlobo ezithile zezifo zamehlo akufuneki bathathe izongezo ezinevithamini A palpitate. Oku kubandakanya:

• Isifo seStargardt (Stargardt macular dystrophy)
• Cone-intonga idystrophy
• Esona sifo
• Izifo ezibuyayo ezibangelwa luguquko lwe-Abca4

I-Vitamin A palpitate supplements nayo inokuphazamisa amayeza athile. Xoxa ngokusetyenziswa kwayo nogqirha wakho, okanye usokhemesti ukuba ngaba ngoku uthatha amayeza kagqirha, afana nalawo asetyenziselwa ukhwekhwe, okanye nawaphi na amayeza alungiswa esibindini. Amanye amayeza e-counter-counter anokuphikiswa, njenge-acetaminophen (iTylenol).

Imbonakalo

Izongezelelo zeVitamin A palpitate azilungelanga wonke umntu, ezinje ngabasetyhini abakhulelweyo kunye nabo banesifo sesibindi. Nangona kunjalo, zibonakala ziluncedo kwiimeko ezithile, ezinje nge-retinitis pigmentosa. Ukutya ukutya okuqukethe i-vitamin A palpitate kukhuselekile kwaye kusempilweni. Ukuthatha izongezo kunokuba yingxaki kwiidosi eziphezulu kakhulu. Thetha nogqirha wakho malunga nokusebenzisa le nto okanye naluphi na uncediso.