Vitamini A Palmitate

Zamkati

• Vitamini A palmitate vs. vitamini A
• Ntchito wamba ndi mawonekedwe
• Zopindulitsa zaumoyo
• Retinitis pigmentosa
• Khungu lowonongeka ndi dzuwa
• Ziphuphu
• Zotsatira zoyipa ndi zoopsa
• Chiwonetsero

Chidule

Vitamini A palmitate ndi mtundu wa vitamini A. Umapezeka muzogulitsa nyama, monga mazira, nkhuku, ndi ng'ombe. Amatchedwanso preformed vitamini A ndi retinyl palmitate. Vitamini A palmitate amapezeka ngati chowonjezera chopangidwa. Mosiyana ndi mitundu ina ya vitamini A, vitamini A palmitate ndi retinoid (retinol). Retinoids ndi zinthu zosapezeka. Izi zikutanthauza kuti amalowetsedwa mosavuta m'thupi ndipo amagwiritsidwa ntchito moyenera.

Vitamini A palmitate vs. vitamini A

Vitamini A amatanthauza michere yomwe imagawidwa m'magulu awiri: retinoids ndi carotenoids.

Carotenoids ndimitundu yomwe imapatsa masamba ndi zinthu zina zamasamba, mitundu yawo yowala. Mosiyana ndi ma retinoids, ma carotenoids sapezeka. Thupi lanu lisanapindule nawo, liyenera kuwasintha kukhala ma retinoid. Izi zitha kukhala zovuta kwa anthu ena kuchita, kuphatikiza:

• makanda asanakwane
• makanda omwe ali pachiwopsezo cha chakudya, ndi ana (omwe alibe chakudya chokwanira chokwanira)
• amayi omwe ali pachiwopsezo cha chakudya omwe ali ndi pakati, kapena akuyamwitsa (omwe alibe chakudya chokwanira chokwanira)
• anthu omwe ali ndi cystic fibrosis

Nthawi zina, chibadwa chimathandizanso.

Mitundu yonse iwiri ya vitamini A imathandizira kuthandizira thanzi la maso, khungu la khungu, chitetezo chamthupi, komanso uchembere wabwino.

Ntchito wamba ndi mawonekedwe

Vitamini A palmitate itha kutengedwa mu mawonekedwe owonjezera kuti athandizire ndikukhalabe ndi thanzi lamaso labwino, chitetezo chamthupi, komanso thanzi la kubereka. Ikupezekanso ndi jakisoni, kwa iwo omwe sangamwe kumwa mawonekedwe apiritsi.

Nthawi zambiri amagwiritsidwa ntchito ngati chosakaniza mu ma multivitamini, ndipo amapezeka ngati chokhacho chothandizira mu mawonekedwe owonjezera.Zowonjezera izi zitha kutchedwa kuti vitamini A yopangidwa kale kapena monga retinyl palmitate. Kuchuluka kwa vitamini A komwe kumapezeka mankhwala kapena chowonjezera kumalembedwa pama IUs (mayunitsi apadziko lonse lapansi).

Vitamini A palmitate amapezeka muzinthu zamtundu uliwonse, monga:

• chiwindi
• mazira a dzira
• nsomba
• mkaka ndi zopangira mkaka
• tchizi

US Food and Drug Administration (FDA) imalimbikitsa kuti anthu azaka zopitilira zinayi azidya vitamini A A 5,000 kuchokera kuzakudya zopangidwa kuchokera kuzinyama zonse ziwiri, komanso magwero azomera (retinoids ndi carotenoids).

Zopindulitsa zaumoyo

Vitamini A palmitate yaphunziridwa m'malo angapo ndipo itha kukhala ndi madera ambiri m'malo osiyanasiyana, kuphatikiza:

Retinitis pigmentosa

Kafukufuku wamankhwala omwe adachitika ku Harvard School of Medicine, Massachusetts Eye and Ear Infirmary adatsimikiza kuti mankhwala ophatikizidwa ndi vitamini A palmitate, nsomba zochulukirapo, ndi lutein, adawonjezera zaka 20 zamasomphenya othandiza kwa anthu omwe amapezeka ndi matenda amaso angapo, monga retinitis pigmentosa ndi Matenda a Usher mitundu 2 ndi 3. Ophunzirawo adalandira chowonjezera chomwe chili ndi 15,000 IUs ya vitamini A palmitate tsiku lililonse.

Khungu lowonongeka ndi dzuwa

Kafukufuku wina adanenanso kuti zotsatira za vitamini A palmitate, komanso mafuta opaka mafuta omwe amakhala ndi ma antioxidants, pakhungu lazithunzi. Malo amthupi omwe amaphunziridwa anali ndi khosi, chifuwa, mikono, ndi miyendo yakumunsi. Ophunzira nawo omwe adapatsidwa chisakanizo cha vitamini A palmitate, adawonetsa kusintha kwa khungu kuyambira masabata a 2, ndikuwonjezeranso kukulirakulira ndikupitilira kukulira ndi masabata a 12.

Ziphuphu

Kugwiritsa ntchito kwamankhwala kwa mankhwala okhala ndi ma retinoid kumachepetsa ziphuphu. Retinols awonetsedwanso kuti amachititsa kuposa mankhwala ena aziphuphu, monga tretinoin.

Muli vitamini A palmitate wokhoza kuthandizira kuchiritsa mabala ndi chitetezo chamthupi, akagwiritsa ntchito pamutu. Kafukufuku wochuluka amafunika m'malo awa.

Zotsatira zoyipa ndi zoopsa

Vitamini A palmitate ndi mafuta osungunuka ndipo amasungidwa m'matumba amthupi. Pachifukwa ichi, imatha kukula kwambiri, ndikupangitsa matenda a chiwindi ndi chiwindi. Izi zimachitika chifukwa chogwiritsa ntchito zowonjezera kuposa chakudya. Anthu omwe ali ndi matenda a chiwindi sayenera kumwa vitamini A palmitate.

Vitamini A wothandizila mu Mlingo wambiri walumikizidwa ndi zofooka zakubadwa, kuphatikiza kusokonekera kwa maso, mapapo, chigaza, ndi mtima. Sikoyenera kwa amayi apakati.

Anthu omwe ali ndi mitundu ina yamatenda am'maso sayenera kumwa zowonjezera mavitamini okhala ndi vitamini A palpitate. Izi zikuphatikiza:

• Matenda a Stargardt (Stargardt macular dystrophy)
• Chingwe cha ndodo
• Matenda abwino kwambiri
• Matenda am'maso obwera chifukwa cha kusintha kwa majini Abca4

Mavitamini A palpitate othandizira amathanso kusokoneza mankhwala ena. Kambiranani za kagwiritsidwe kake ndi dokotala wanu, kapena wamankhwala ngati mukumwa mankhwala akuchipatala, monga omwe amagwiritsidwa ntchito psoriasis, kapena mankhwala aliwonse omwe amapangidwira pachiwindi. Mankhwala ena ogulitsa amatha kutsutsidwa, monga acetaminophen (Tylenol).

Chiwonetsero

Vitamini A palpitate zowonjezera sizoyenera kwa aliyense, monga amayi apakati ndi omwe ali ndi matenda a chiwindi. Komabe, zimawoneka ngati zopindulitsa pazinthu zina, monga retinitis pigmentosa. Kudya zakudya zokhala ndi vitamini A palpitate ndikotetezeka komanso koyenera. Kutenga zowonjezera kumatha kukhala kovuta kwambiri. Lankhulani ndi dokotala wanu za momwe mumagwiritsira ntchito izi kapena zowonjezera.