Mlembi: Roger Morrison
Tsiku La Chilengedwe: 5 Sepitembala 2021
Sinthani Tsiku: 14 Novembala 2024
Anonim
Buenos Aires - mji mkuu wa Ajentina mkali na wa kusisimua. Mkarimu na rahisi kuhama
Kanema: Buenos Aires - mji mkuu wa Ajentina mkali na wa kusisimua. Mkarimu na rahisi kuhama

Zamkati

Kuperewera kwa vitamini A mthupi kumawonekera makamaka paumoyo wamaso, zomwe zimatha kubweretsa zovuta zamaso monga xerophthalmia kapena khungu lakhungu, popeza vitamini iyi ndiyofunikira kwambiri popanga mitundu ina yakhungu yomwe imakupatsani mwayi wowona mawonekedwe onse kuwala.

Komabe, komanso, kuchepa kwa vitamini A kungayambitsenso mavuto a khungu, kufooketsa chitetezo cha mthupi, kukula kwakanthawi komanso mavuto obereka. Kuwonongeka komwe kumadza chifukwa cha kuchepa kwa vitamini A kumasinthidwa nthawi zambiri, kumafuna chithandizo chakuwonjezera mavitamini ndikuwonjezera pazakudya zake.

Kulephera kwa Vitamini A kumatha kubweretsa mavuto monga:

1. Xerophthalmia

Ichi ndi matenda opita patsogolo pomwe pali kuwonjezeka kwa minofu yomwe imaphimba diso ndi kuwuma kwa mawonekedwe akunja kwa diso, zomwe zimatha kuyambitsa khungu. Zizindikiro zazikulu zimaphatikizapo kuyaka m'maso, kuvutika kuwona m'malo akuda komanso kumverera kwa maso owuma.


Pamene xerophthalmia ikupita, zotupa zam'mimba ndi zilonda zitha kuwoneka ngati tating'onoting'ono toyera pamaso, tomwe timadziwika kuti Malo a Bitot, omwe, ngati sangasamalidwe, amatha kupangitsa khungu. Dziwani zambiri zavutoli komanso momwe amathandizira.

2. khungu usiku

Khungu lakhungu ndi vuto la xerophthalmia, momwe munthu amavutikira kuwona m'malo ochepera, makamaka akamachoka pamalo okhala ndi kuwala kambiri kupita kumdima. Komabe, anthu omwe ali ndi vutoli amatha kukhala ndi masomphenya achilengedwe masana.

Vuto lomwe limakhalapo chifukwa chakhungu usiku nthawi zambiri limakhalapo pamene gawo limodzi mwa mitundu ya utoto yomwe imapezeka m'mitsempha yotchedwa retinal receptors, yotchedwa rhodopsin, imakhala yotsika kwambiri, zomwe zimakhudza mphamvu yakuthana ndi zinthu zakuthambo. Kupanga kwa Rhodopsin nthawi zambiri kumayendetsedwa ndi kuchuluka kwa vitamini A. Onani momwe mungadziwire khungu lakhungu.

3. Khungu lolimba komanso louma

Kuperewera kwa vitamini A kumatha kupanga follicular hyperkeratosis, ndipamene tsitsi la khungu limadzazana ndi mapulagi a keratin, kupangitsa khungu kukhala lolimba. Kusintha uku kumapangitsa khungu kuwoneka ngati "khungu la nkhuku", kuphatikiza pokhala louma, lofiirira komanso lowuma.


Hyperkeratosis nthawi zambiri imayamba m'manja ndi ntchafu, koma pakapita nthawi, imatha kufalikira mbali zonse za thupi.

4. Kukula pang'onopang'ono

Mavitamini A ochepa mthupi amatha kuyambitsa kukula kwa ana, chifukwa ndi vitamini wofunikira pakukula kwa mafupa. Kuphatikiza apo, kuchepa kwa vitamini A kumatha kupangitsanso kusintha kwa makomedwe ndi kununkhira, ndikupangitsa chakudya kutaya kununkhira kwake, zomwe zimapangitsa mwana kufuna kudya pang'ono, zomwe zimalepheretsa kukula.

5. Mavuto obereketsa

Vitamini A ndikofunikira kuti uberekane pamagulu onse amuna ndi akazi, komanso kukula koyenera kwa mwana panthawi yapakati. Kuphatikiza apo, kusowa kwa vitamini uyu kumawoneka kuti kumakhudzana ndikuwoneka kwa kutaya mimba kwadzidzidzi.

6. Kufooka kwa chitetezo cha mthupi

Chitetezo cha mthupi chimatha kufooka pakakhala kuchepa kwa vitamini A mthupi, popeza kusowa kwa vitamini iyi kumakhudza magwiridwe antchito a T cell, omwe ndi maselo ofunikira amthupi. Chifukwa chake, kusowa kwa vitamini A kumawonjezera chiopsezo chotenga matenda osiyanasiyana a bakiteriya, mavairasi kapena majeremusi, makamaka pamlingo wopumira.


Vitamini A imagwiranso ntchito popanga ma collagen, chifukwa chake, kuchepa kwake mthupi kumatha kusokoneza machiritso a mabala, mwachitsanzo.

Zomwe zingayambitse kuchepa kwa vitamini A

Choyambitsa chachikulu cha kuchepa kwa vitamini A ndikudya moperewera kwa zakudya zokhala ndi vitamini A, monga kaloti, mazira, broccoli kapena chiwindi, mwachitsanzo. Komabe, mavuto ena monga fibrosis, kumwa kwambiri mowa kapena matenda a chiwindi amathanso kuonjezera chiopsezo chakusowa kwa vitamini.

Kuphatikiza apo, popeza vitamini A imasungunuka mafuta, ngati mafuta amatha kusungunuka m'matumbo, ndizothekanso kuti vitaminiyo siyosakanizidwa bwino ndi chakudya. Mtundu wamtunduwu ndiofala kwambiri kwa anthu omwe adachitidwapo opaleshoni ya bariatric kapena omwe ali ndi matenda otupa m'matumbo.

Momwe mungatsimikizire kusowa kwa vitamini A

Kuperewera kwa Vitamini A nthawi zambiri kumakayikiridwa mwa ana ndi akulu omwe alibe chakudya chokwanira kapena mwa anthu omwe ali pachiwopsezo, koma zizindikilo ziyenera kuwunikidwa nthawi zonse ndi adotolo.

Dotolo amathanso kuyitanitsa kuyezetsa magazi a serum retinol, pomwe mitengo yochepera 20 mcg / dL imawonetsa kuchepa kwa vitamini A mthupi, ndipo mitengo yomwe ili pansi pa 10 mcg / dL imawonetsa kusowa kwakukulu.

Kodi mankhwalawa amachitika bwanji?

Chithandizo chakusowa kwa vitamini A chimazikidwa pakuwonjezera kudya kwa zakudya zomwe zili ndi vitamini ameneyu, komanso kuphatikizira pakamwa, kuti muchepetse chiopsezo cha anthu akufa. Ndikofunikira kuti, panthawi yachipatala, munthuyo atsatidwe ndi katswiri wazakudya kuti athe kuonetsetsa kuti ali ndi vitamini A wokwanira pazosowa zawo za tsiku ndi tsiku.

Chifukwa chake, chithandizo chimaphatikizapo:

1. Idyani zakudya zokhala ndi vitamini A wambiri

Vitamini wokonzedweratu amapezeka kokha mu zakudya za nyama, m'malo osungira, ndiye kuti, m'chiwindi komanso mafuta a mazira ndi mkaka. Mavitamini ambiri amapezekanso mumafuta a chiwindi.

Komabe, palinso zakudya zamtundu wazomera zomwe zimakhala ndi ma carotenoids, omwe amatsogolera vitamini A ndipo amapezeka makamaka m'masamba obiriwira obiriwira kapena zipatso zachikasu-lalanje, monga kaloti, sipinachi, madzi a lalanje, mbatata, pakati pa ena. Onani mndandanda wathunthu wazakudya zokhala ndi vitamini A.

2. Tengani zowonjezera vitamini A

Vitamini A supplementation iyenera kutsogozedwa ndi dokotala kapena wamankhwala, chifukwa mlingowo umadalira zaka, kulemera komanso thanzi la munthu wokhudzidwayo.

Mwambiri, mwa akulu, zimakhala zachilendo kuperekera Mlingo 3 wa 200,000 IU. Ana ochepera chaka chimodzi ayenera kulandira theka la mlingowo, ndipo ana ochepera miyezi isanu ndi umodzi ayenera kulandira kotala limodzi la mankhwalawo.

Nthawi zina, vitamini A supplementation imatha kuchitika ndi mafuta a chiwindi cha cod chifukwa, kuphatikiza pakuphatikiza kwa vitamini, imakhalanso ndi vitamini D, omega 3, ayodini ndi phosphorous, zomwe ndizofunikira pakukula kwa mwana.

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