6 hutano mhedzisiro yekushaiwa vhitamini A

Zvemukati

• 1. Xerophthalmia
• 2. Hupofu hweusiku
• 3. Rakaonda uye rakaoma ganda
• 4. Kukundikana kukura
• 5. Matambudziko ekubereka
• 6. Kuneta kwema immune system
• Chii chinogona kukonzera kushomeka kwevhitamini A
• Maitiro ekusimbisa kushomeka kwevhitamini A
• Kurapa kwacho kunoitwa sei?
• 1. Idya chikafu chakazara muvhitamini A
• 2. Tora vitamin A supplementation

Kushaikwa kwevhitamini A mumuviri kunonyanya kuratidzwa mune hutano hwemaziso, izvo zvinogona kukonzeresa kumatambudziko eziso senge xerophthalmia kana husiku hupofu, sezvo vhitamini iyi yakakosha mukugadzirwa kwemamwe mavara anoonekwa ayo anotendera iwe kuti uone iwo masekonzi ese e chiedza.

Nekudaro, uye nekuwedzera, kushomeka kwevhitamini A kunogona zvakare kukonzera matambudziko eganda, kushomeka kwemajoni emuviri, kudzikira kukura uye matambudziko ekubereka. Iko kukuvara kunokonzerwa nekushomeka kwevhitamini A kunogona kudzoreredzwa mune dzakawanda kesi, zvinoda kurapwa pamwe nekuwedzeredzwa kweiyo vhitamini uye kuwedzera mune kwayo kwekudya sosi.

Kushomeka kweVitamin A kunogona kukonzera mamwe matambudziko se:

1. Xerophthalmia

Ichi chirwere chinofambira mberi uko paine kuwedzera kwetishu inovhara ziso uye kuoma kwenzvimbo yekunze yeziso, izvo zvinogona kukonzera kupofomara. Zviratidzo zvikuru zvinosanganisira kupisa mumaziso, kunetsekana kuona munzvimbo dzine rima uye kunzwa kwemeso akaoma.

Sezvo xerophthalmia ichifambira mberi, maronda etsinga uye maronda anogona kuoneka kunge madiki machena machena paziso, anozivikanwa seMacotot spots, ayo, kana akasara asina kurapwa, anogona kukonzera hupofu. Dzidza zvakawanda nezve dambudziko iri uye marapirwo aro.

2. Hupofu hweusiku

Hupofu hweusiku kusangana kwe xerophthalmia, umo munhu wacho achinetseka kuona munzvimbo dzakaderera, kunyanya kana achifamba kubva kunzvimbo ine mwenje wakawanda kuenda kune rakasviba. Nekudaro, vanhu vane dambudziko iri vanogona kuve nemaonero akajairika masikati.

Iko kunetsekana kunokonzerwa nehusiku hupofu kunowanzo kumuka kana iwo mazinga eimwe ye pigment mune ye retinal receptors, inozivikanwa se rhodopsin, yakanyanya kuderera, ichikanganisa kugona kweziso kugadzirisa zvinhu muchiedza chidiki. Kugadzirwa kweRhodopsin kunowanzo regedzwa nehuwandu hwevhitamini A. Ona maitiro ekuziva husiku husiku.

3. Rakaonda uye rakaoma ganda

Kushaikwa kwevhitamini A kunogona kuburitsa follicular hyperkeratosis, inova nguva iyo bvudzi rebvudzi muganda rinozadzwa nemakeratin plugs, zvichiita kuti ganda rikobvu. Shanduko iyi inoita kuti ganda riite se "ganda rehuku", pamusoro pekuti rinosva, rinozara uye rougher.

Hyperkeratosis inowanzo kutanga mumawoko nepazvidya, asi nekufamba kwenguva, inogona kupararira kumativi ese emuviri.

4. Kukundikana kukura

Izvo zvakaderera mavitamini A mumuviri zvinogona kukonzera kukura kunonoka muvana, sezvo iri yakakosha vhitamini yekukura kwemabhonzo. Uye zvakare, kushomeka kwevhitamini A kunogona zvakare kukonzera shanduko mukuravira uye kunhuwidza, zvichikonzera chikafu kurasikirwa nekuravira, izvo zvinoita kuti mwana ade kudya zvishoma, pakupedzisira zvichitadzisa kukura.

5. Matambudziko ekubereka

Vitamini A inofanirwa kubereka pamatanho evarume nevakadzi, pamwe nekukura kwakanaka kwemwana panguva yekuzvitakura. Mukuwedzera, kushayikwa kwevhitamini iyi kunoratidzika kunge kunoenderana nekuonekwa kwekubvisa nhumbu.

6. Kuneta kwema immune system

Masoja ekudzivirira muviri anogona kushomeka kana pakashaikwa vhitamini A mumuviri, sezvo kushomeka kwevhitamini iyi kunokanganisa mashandiro emaT seli, ayo ari akakosha maseru ezvirwere zvemuviri. Nekudaro, kushomeka kwevhitamini A kunowedzera mukana wekubata hutachiona hwakasiyana, hutachiona kana hutachiona, kunyanya padanho rekufema.

Vitamin A inoshandawo mukugadzirwa kwecollagen uye, nekudaro, kushomeka kwayo mumuviri kunogona kukanganisa kupora kwemaronda, semuenzaniso.

Chii chinogona kukonzera kushomeka kwevhitamini A

Chikonzero chikuru chekushomeka kwevhitamini A kusadya kwakakwana kwezvikafu zvine vhitamini A, senge makarotsi, mazai, broccoli kana chiropa, semuenzaniso. Nekudaro, mamwe matambudziko senge fibrosis, kunyanyisa kunwa doro kana kusagadzikana kwechiropa kunogona zvakare kuwedzera njodzi yekushomeka kwevhitamini iyi.

Zvakare, sezvo vhitamini A ine mafuta-akanyungudika, kana paine malabsorption yemafuta padumbu remukati, zvinokwanisika kuti vhitamini haina kunyatso nyudzwa kubva muchikafu. Rudzi urwu rwechikonzero rwunowanzoitika kune vanhu vakambovhiyiwa bariatric kana vane hutachiona hwezvirwere.

Maitiro ekusimbisa kushomeka kwevhitamini A

Kushomeka kweVitamin A kunowanzo fungidzirwa muvana nevakuru vasina kudya zvinovaka muviri kana mune vanhu vane njodzi, asi zviratidzo nezviratidzo zvinofanirwa kuongororwa nachiremba nguva dzese.

Chiremba anogona zvakare kuraira serum retinol yeropa bvunzo, uko kukosha pazasi pe20 mcg / dL kunoratidza kushomeka kwevhitamini A mumuviri, uye hunhu pazasi pe10 mcg / dL zvinoratidza kushomeka kwakanyanya.

Kurapa kwacho kunoitwa sei?

Kurapa kwekushaiwa vhitamini A kunoenderana nekuwedzera kudya kwezvikafu zvakapfuma muvhitamini iyi, pamwe nekuwedzeredzwa kwemuromo, kuitira kudzikisa njodzi yekufa. Izvo zvakakosha kuti, panguva yekurapwa, munhu wacho anoteverwa neanodya kuti ave nechokwadi chekuwanika kwevhitamini A yezvavanoda zuva nezuva.

Nekudaro, kurapwa kunosanganisira:

1. Idya chikafu chakazara muvhitamini A

Iyo preformed vhitamini inowanikwa chete mune zvekudya zvemhuka mavambo, munzvimbo dzekuchengetera, ndiko kuti, muchiropa uye mumafuta emazai nemukaka. Huwandu hukuru hwevhitamini iyi inowanikwawo mukodhi yemafuta echiropa.

Nekudaro, zvakare kune chikafu chemavambo emichero chine carotenoids, ayo anotangira vhitamini A uye ayo anowanikwa zvakanyanya mune yakasvibira miriwo miriwo kana michero yero-orenji, senge macarrots, sipinashi, muto weorenji, mbatatisi, pakati pevamwe. Ona rondedzero yakazara yezvikafu zvine vithamini A.

2. Tora vitamin A supplementation

Vitamin A yekuwedzera inofanirwa kutungamirwa nachiremba kana anoona nezvehutano, sezvo iwo muyero unoenderana nezera, huremu uye huwandu hwehutano hwemunhu akabatwa.

Muzhinji, muvanhu vakuru, zvakajairika kupa matatu madhizaini e200,000 IU. Vana vari pasi pegore rimwe vanofanirwa kugamuchira hafu yedosi, uye vacheche vari pasi pemwedzi mitanhatu vanofanirwa kungowana chete chikamu chechina cheiyo dose.

Mune zvimwe zviitiko, vhitamini A yekuwedzera inogona kuitwa necod chiropa oiri nekuti, pamusoro pekuti iine huwandu hwakawanda hwevhitamini iyi, zvakare ine vhitamini D, omega 3, iodine uye phosphorus, izvo zvakakosha mukukura kwevana vese.