Vitamin A ioli: iipropati kunye izicelo. Indlela yokwenza isicelo vitamin A ngeoli?

elide Kuye iingqondo yabantu engcono baye bafunda ukukwazi yokutya ukuze ukunyanga izifo ezithile zabantu. Ukususela ezinde yamandulo baseYiputa zonyango kwaziwa ukuba ababingeleli ephucuke kakhulu ihlabathi balihlutha imfihlelo yonyango ziimfama ebusuku (umbono ilahleko ngongcwalazi) usebenzisa kwesibindi kwezilwanyana kunye nentlanzi, bengazi into vitamin A. Xa ibhotolo, cream, iqanda sac kunye nezinye iimveliso kuyinto material eyodwa iya kufumana kakhulu kamva.

A bit of imbali ...

Ekuveleni XIX-XX eminyaka baqala umsebenzi esisebenzayo ukufunda izinto ezithile, kubalulekile kunye nemixube ezinceda ukugcina impilo nokulondoloza ubomi babantu. Phakathi abaphandi kwakukho ugqirha Russian N. I. Lunin eziphilayo, ugqirha Dutch Christiaan Eijkman bacterium, eziphilayo IsiNgesi Frederick Hopkins kunye nezinye izazinzulu ezininzi Russian angaphandle. Ngowe-1911, umphandi yokuqala Polish Kazimirom Funkom kunyanga izifo kakhulu luvo kwafumaneka beriberi, kwalelo kwimvelaphi ukuswela vitamin B1. Ziikristale bodwa werayisi bran, ibizwa ngokuba "Vitamayn" okanye Vitamine. Iguqulwe ukusuka kwisiLatini. vita - elithetha "ubomi," yaye ukususela IsiNgesi. Mine - «Amen," nto leyo eyenza kube lula ukuba Cazulula neziyobisi nitrogen-sithako. Le Isazinzulu kwakhona wacebisa ukuba kuvela izigulo ezininzi ngenxa yokunqongophala kwezinto ezithile emzimbeni. Oku yayisisiqalo kwixesha kwafunyaniswa, ngolokuqala apho ekufunyanweni vitamin A okanye retinol. Ngowe-1913, amaqela ezimeleyo oosonzululwazi ezimbini (ikakhulu yakhiwe uElmer Verner McCollum noMargarita Devis, kwaye eyesibini - Thomas Osborne kunye noogxa) iye acatshulwe iziyobisi ibhotolo kunye chicken iqanda sac, hayi enyibilikayo emanzini, kodwa inkosi enkulu naye lipids. Yayibizwa ngokuba "inqatha-enyibilikayo factor A", igama edume "vitamin" Funk ngo "factor B» ngamanzi-emanzini. vitaminology, "vulindlela" eyaba retinol - kuseloko lasekwayo nenzululwazi iivithamini zadalwa.

iimpawu ezizodwa anenzuzo vitamin A

"Retinol acetate" okanye "Vitamin A ioli" - ichiza ukuba kulula ukufumana ekhemisi nganye. Yena kunempembelelo engummangaliso ngokwenene emzimbeni womntu. Eli candelo kubalulekile, njengoko antioxidant, kubandakanyeke kuzo zonke abasabela redox ngokuthembekileyo ukukhusela umzimba kwimpembelelo elibi radicals simahla. Kwakhona ludlala indima ebalulekileyo kwiinkqubo njini protein, normalizes ukutya kwaye ikhuthaza imisebenzi isithintelo kunye nezinye imifinya zeselula kunye intracellular.

Kuba inkqubo musculoskeletal, isikhumba neenwele

Vitamin A kuyimfuneko ukuyilwa ithambo, kuquka amazinyo, xa uhlaziya iiseli eluswini, unwele, izikhonkwane, azikhuli phantsi inkqubo yesikhumba abunayo kunye nokuguga ngokubanzi. uncedo Retinol olukhulu ekunyangeni amaqhakuva, kuphucula imeko kwezigulane ukhwekhwe, lukwakhuthaza ukuveliswa kwezinto ukuba ukukhawulezisa zokunyanga amanxeba kunye nezinye ukwenzakala le dermis. vitamin eyabelwe A izifo zezikhumba, iinwele kunye nezikhonkwane: dermatoses ezingapheliyo kunye xeroderma (isikhumba), nangokhwekhwe seborrhoeic, atopic dermatitis, urticaria, kwiintlobo ezahlukeneyo herpes, isikhumba hyperpigmentation, xa amacwecwe owomileyo kwaye aphuke nail, kunye alopecia kunye nezinye izifo zokukhula okuzenzela zenziwe ngekeratini, kwakunye Ukungaboni iinwele.

Ngokuba impilo amehlo

Malunga imiphumo eyingenelo iVitamin A kufakelelwa kwi acuity olubonakalayo kwi photoreception kwi kuqheleke le analyzer nokubona, kwakunye kwimbono yehlabathi ngamehlo ethu kuyaziwa oko elide. Zombala eziqulathe beta-carotene, ngokulula ingena ngalo retina iliso, ukukhusela kwi ubungozi seengxangxasi kunye notshintsho macular sisiba mandundu.

Udonga lokuzikhusela izifo

Vitamin A ioli, ukusetyenziswa apho kuyimfuneko ukuze normalizing inkqubo yomzimba yokuzikhusela, wabelwa gqirha kwi unyango lwezifo ezosulelayo. Retinol ugcina kuphela kwaye ibuyisela isakhiwo inyama epithelial kunye imifinya yangaphakathi, kodwa kwandisa umsebenzi wabo umqobo. Ngaloo ndlela kwamnceda kwi function wemiphunga kakuhle likwancedisa unyango lwezifo sisilonda le iphecana zesisu kunye nokudumba.

Vitamin A nga ukukhusela kusulelo okanye ukunciphisa kakhulu imeko yokuba njengomkhuhlane, umkhuhlane, izifo zemiphunga okanye womchamo, iphecana zesisu, ngokunjalo nezifo wentsholongwane egazini: imasisi, ingqakaqa nkqu AIDS.

Le retinol odumileyo ngakumbi?

Vitamin A ioli lisetyenziswa kwi ukukhulelwa xa zidityaniswe ne-vitamin E ukucutha ubungozi iingxaki kunye nokuthintela isenzeko ezingaqhelekanga kwi imveku. Retinol lukwakhuthaza Yindibanisela iihomoni steroid, normalizes spermatogenesis nokulawula umsebenzi lengqula. Beta-carotene, okanye pro-vitamin A - a antioxidant enamandla, inegalelo nothintelo nonyango ehlanganisiweyo umhlaza, kuthintela iphinde isifo emva kokuba ungenelelo yotyando. Siyinxalenye yeyona molecule vitamin A (citral, tsihol) zaziwa ngokuba neziphumo zazo antihistaminic abantu.

Ngaphandle retinol, baba esibindini, kwandisa izinga glycogen emzimbeni, intliziyo kwezihlunu, ukunyusa isandi ubomi babantu. IVitamin A ndzo efunekayo kwandisa yegazi, kwamnceda malunga nokusebenza kwenkqubo kunye namalungu ezidalwe kwamadlala yonyango.

Iimveliso - imithombo vitamin A

Iinkokeli kwi umxholo vitamin A zimveliso yezilwanyana, apho umzimba womntu wamkela kubo ngohlobo retinoids. I zakho iphambili kolu luhlu zithathwa cod oyile wesibindi kunye nentlanzi oyile. A lot of the nutrients kwi sac kwamaqanda yenkuku kunye izagwityi, cream, ubisi yonke, itshizi, iimveliso inyama, isibindi yezilwanyana kunye nentlanzi, Intlanzi caviar, iimveliso ezimuncu-ubisi. Le iivithamini fat-ezinyibilikayo kwi ibhotolo A, D, E no K wendele ngokugqibeleleyo yi umzimba womntu, ekubeni kwimeko efanelekileyo. A ezingama-50 grams (nangona zokudla bacebisa ukuba akukho ngaphezulu kwe-30 grams) le mveliso eyodwa kwifayili enye kwisithathu iimfuno zemihla ngemihla babantu retinol. Kodwa imveliso ibhotolo kakhulu eliphezulu-osidingayo, ngoko umda intsebenziso yabo ukuya umda nengqiqo, ungenza enze ukuba ukuswela vitamin A evela carotenoids. Ukususela molecule ye beta-carotene, okanye pro-vitamin A, umzimba womntu uyakwazi ukwenza nokulungelelanisa molekyuli ezimbini retinol. Carotenoid-rich imifuno, iziqhamo, imifuno kunye amaqunube eziqaqambileyo, "irobhothi" imibala: iminqathe, ithanga, iiapilkosi, isipinatshi, yeepesika, broccoli, iidiliya, celery parsley, lobulumko, oat, umba, burdock iingcambu, zetyeleba nabanye.

Yintoni ixabiso le vitamin wonder?

Namhlanje, xa Ulungiso lodidi naluphi ekhemesti uyakwazi ukufumana i 'lichiza yobutsha "- vitamin A ioli, ixabiso apho iipeni nje. Ukulungiselelwa abalimi Russian kumele njengezingxobo: 10-PC. - engange 7 nganye 30. - 25-40 engange, lo gama kwi-50-ml ezineengqayi retinol acetate yi 70-100 engange. iziyobisi izithambiso angaphandle kongezwe eli candelo ekhethekileyo abe ixabiso aphezulu - ukususela 1500 ukuya ku-2000 engange.

Indlela yokwenza isicelo vitamin A ngeoli?

Ifomu iqhelekileyo ukusetyenziswa retinol okanye retinol acetate, retinol palmitate kwi-oyile okanye njengezingxobo. UkuCima njengezingxobo ngenxa ubungakanani imvukelo iVitamin A, kwaye ukuba into esebenzayo ngenxa iqokobhe ayikho wadibana emoyeni. Njengoko yaziwa, retinol sengozini igcwala okukhawulezileyo wadibana mpilo, kunciphisa ukusebenza kwalo kakhulu. Amaninzi ezikhemisti zingafunyanwa ukulungiselela vitamin "Aevit" - "Kamnandi" iivithamini A no-E, apho tocopherol, kunye namandla komzimba ukukhusela retinol evela igcwala. Abantu abaphethwe zizifo ezahlukahlukeneyo, vitamin A ku ibhotolo okanye "Aevit" emiselwe ngugqirha. Kodwa njengenyathelo lokuthintela, oogqirha bathi: abantwana uthathe 0.5-1 mg kubantu abadala - 1.5 mg, yaye abafazi abakhulelweyo okanye oomama zokonga - 2.0-2.5 mg. Esi sixa ezinokuchaphazela inqanaba lomsebenzi ngokwasemzimbeni kunye nokusetyenziswa kweemveliso ezithile kunye namayeza. Ngoko ke, adibane nogqirha ngaphambi kokuba zibe vitamin A iyafuneka!

Vitamin A ku cosmetology

Kunzima ukuba zazi intsingiselo retinol ukuba ubuhle kunye nempilo yesikhumba, iinzipho kunye nemeko iinwele. Idibanisa amathontsi ambalwa umxube ngeoli retinol acetate okanye "Aevit" kweziyobisi imaski ngenxa imicu ebusweni, umzimba okanye zenziwe ngekeratini yenza kube ilikhubalo lenene, Kumiswe inkqubo ukuguga yesikhumba, kubuyisela bembonakalo yayo ukhazimle esempilweni kunye iinwele - bhetyebhetye, luthambe ukhanye zendalo.

Vitamin A ngendlela ioli ulusu - isipho esixabisekileyo endalo, nto leyo uyayondla aze moisturizes kuyo. ukusetyenziswa Cosmetology ebanzi retinol kumanyango anti-ukuguga: ngokuba smoothing imigca ecikizekileyo, ukuphucula isikhumba turgor, kunye hyperpigmentation kunye nezinye iziphene yobuhle. Ekhaya, amathontsi ambalwa Vitamin A kwi-oyile okanye "Aevitum" ukulungiselela kwi imaski yesiqhelo (umyinge we 2-3 kusithwa 50 g umxube) ibonelela isikhumba sakho abanembeko, inkangeleko esempilweni.

Vitamin A in an ioli umntu kungongezwa nawuphi na umxube ukungaqukathi Ukutya emuncu: lemon okanye ekalika juice, enegwele kweziselo ubisi, iziqhamo ezimuncu okanye amaqunube. Ukongeza, imaski nge retinol ayikwazi ukuba shushu kakhulu, kwaye kungcono ukongeza kwisininzi efudumeleyo. Iyamangalisa anti-ngokwaluphala ifuthe vitamin A imaski zingafumaneka ukuba isetyenziswe kubo ngokuhlwa, ngaphambi kokuba uye kulala ebusuku ngenxa yokuba inkqubo ngokutsha luvuliwe yi iiseli esikhumbeni.

Vitamin A eolini iinwele ku endla soft and silky. Ukuba ngo 20-40 ml (ngokuxhomekeke ubude kweentonga ngekeratini) burdock, yeminquma, amangile okanye oyile oningga dibanisa 7-15 ml ngokulandelelana iivithamini A no-E, okanye 5-10 "Aevitum" ukulungiselela njengezingxobo, ndinivuse izithako wazibeka phezu iinwele uze uyisongele cutha yakho intloko uze uyibambe libe iyure, ngoko emva kokuba unyango ezimbalwa nalunye unwele buthathaka ukuziyolisa kwenu ngamandla ayo, kukhanya yendalo esempilweni kunye nobuhle obumangalisayo.

Vitamin A ioli - i "lichiza" unique, nto leyo kokufanelekileyo ukuba unyango, ukomeleza uvuseleleke umzimba. Ile kunye neevithamini C, E & D, zinc, fluoride, calcium, nesinyithi, kubhetele kakhulu ako kwaye izisa nangokuyinzuzo epheleleyo ngumntu.