Vitamini A yowonongeka ndi madzi samaphula m'madzi. Kuti thupi lizigwirizana ndi thupi, thupi liyenera kukhala ndi mafuta oyenera, mapuloteni ndi mchere. Thupi lathu, chiwindi ndipo limaphatikizanso vitamini A, koma ngati kuli kofunikira, popanda vitamini iyi ikhoza kudya zakudya zomwe zili ndi vitamini.
Ziwalo zake zothandiza zingathe kutayika ndi kutuluka kwa nthawi yaitali kwa mankhwala kunja ndi pansi pa mankhwala osiyanasiyana: kumalongeza, kuphika. Mavitamini ambiri omwe angapulumutsidwe ndi chithandizochi amafikira 60-80%.
Zakudya ndi kufunikira kwa vitamini A
Ntchito ya vitamini A antioxidant ndi yaikulu kwambiri. Sangathe kufotokozedwa mwachidule. Zonse zomwe zimathandiza kuti tikhale ndi thanzi labwino.
Amalimbikitsa chikhalidwe cha mapuloteni m'thupi, amalimbikitsa thanzi labwino. Vitamini A ndi othandiza pa mano ndi mafupa. Icho chimapereka molondola mafuta omwe amachititsa mafuta ndipo zimathandiza kusintha maselo akale ndi zatsopano.
Phindu lake la maso omwe anadziwa kale. Madokotalawo ndi ochiritsa anagwiritsa ntchito chiwindi chophika ndi usiku, ndipo, monga momwe akudziwira, chiwindi chili ndi vitamini A. Vitamini A. Zambiri zimatengera thupi la retina ndi maso.
Ntchito yeniyeni ya chitetezo cha mthupi, komanso chitetezo cha thupi kuchokera ku matenda sichitha kutheka popanda vitamini A. Kuwonjezera kukanika kwa mavasiasiti, kumathandiza ntchito ya leukocytes, kumateteza chifuwa chachikulu, kachilombo ka urogenital, m'mimba. Mavuto ndi dongosolo la endocrine amadzimva ngati alibe vitamini A.
Matenda monga chimfine kapena nthomba amalekerera mosavuta m'mayiko amene moyo wawo uli wapamwamba, koma zakudya zoperewera, zomwe zimakhala ndi kusowa kwa vitamini A, zimatha kupangitsa kuti matendawa athe kufa. Ngakhale omwe ali ndi HIV, ali ndi mavitamini A antioxidant okwanira m'thupi, angakhale ndi moyo nthawi yaitali kuposa anthu wamba chifukwa chakuti amadya vitamini A mu zakudya ndi mavitamini okonzekera.
Khungu lathu limafunikira vitamini. Amalimbikitsa kuti maselo atsitsirenso, kubwezeretsa zinyama, mucous membranes. Ngakhale mungathe kupeza ma antigenidant ofanana ndi mavitamini A omwe amatsutsana ndi okalamba. Amachiza matenda a khungu, mavuto a nkhope, thupi, amathandiza kuchiza, zilonda. Amathandizira kaphatikizidwe wa collagen, amachititsa kuti mitundu yonse ikhale yatsopano. Pogwiritsa ntchito panthawi yoyembekezera, mayi amathandiza chitukuko cha mwana wake, kuchiyesa ndi vitamini A. Kusowa kwake kungawononge mwanayo - ndikotheka kukhala wopanda kulemera kwa mwana wakhanda. Zimathandizanso pakuchiza khansara mogwirizana ndi beta-keratatin komanso pochira thupi pambuyo pake.
Ngati vitamini A nthawi zambiri imagawidwa m'thupi, zigawo zake zothandiza zimateteza mtima ndi mitsempha. Ndi matenda a atherosclerosis ndi angina, zimathandiza kuchepetsa "zoipa" ndi kuwonjezera "kothandiza" mafuta m'thupi.
Mitundu yomwe ili ndi retinol (vitamini A)
Vitamini A akhoza kupezeka mu zakudya zobiriwira, zofiira, zachikasu. Mwachitsanzo: masamba, zipatso zosiyanasiyana ndi zipatso. Koma, komanso magwero olemera kwambiri omwe ali ndi vitamini ambiri ndi dzungu, parsley, sipinachi, apricots ndi kaloti. Zili ndizo zonsezi. Ndipo pambali pa ndiwo zamasamba ndi zipatso mwa iwo okha zimakhala zothandiza.
Koma kachilombo koyambitsa vitamini A ndi mafuta a chiwindi ndi chiwindi, ndipo zimapezeka kwambiri mu mafuta, mazira, mazira ndi mkaka. Mwachitsanzo, ng'ombe, tirigu ndi mavitamini A omwe ali otsika amakhalabe ochepa kwambiri.
Mukamadya ndiwo zamasamba ndi zipatso zomwe zili ndi beta-kerotin, zimayambitsa zowonjezera thupi lomwe limatulutsa vitamini A.
Koma asayansi asonyeza umboni kuti kugwiritsa ntchito zigawo zomwe zili ndi vitamini A ndi kusowa kwake m'thupi, simungazipange thupi. Ndikofunika kugwiritsa ntchito mavitamini okonzekera omwe ali ndi vitamini A. Samavulaza thupi, koma amapanga mavitamini.
Kuyanjana kwa vitamini A
Kodi vitamini A antioxidant imagwirizana bwanji ndi zinthu zina? Zimadziwika kuti vitamini A ikhoza kudyetsedwa ndi vitamini E, chifukwa chodziwika bwino ndi zamoyo zina. Komanso zimagwirizana ndi mavitamini B ndi D, calcium, zinc ndi phosphorous.
Kuperewera kwa zinki m'thupi kumakhudza thupi, ndipo beta-carotene silingathe kusintha vitamini A. Iyenso zimatsutsana ndi kuphatikiza beta-carotene ndi mowa, izi zimapha chiwindi.
Vitamini A mulimonsemo sayenera kugwiritsidwa ntchito pamodzi ndi retinoids - zikhoza kuvulaza thupi, zikhoza kuvulaza ziwalo ndi ziwalo za mkati.
M'dziko lamakono panthawiyi, mankhwala ambiri amapangidwa ndi anthu, pofuna chitetezo cha thupi ndikudzaza ndi mavitamini othandiza. Komanso, mankhwala ambiri omwe ali ndi vitamini A, omwe amathandiza thupi ndi kusowa kwawo, kapena kupewa.
Koma mankhwala ambiri amakhala okhudzana ndi mitundu yosiyanasiyana ya mavitamini, omwe amawononga ubwino wina ndi mzake.
Ndi bwino kukumbukira kuti ndibwino kugwiritsa ntchito mankhwala ochizira kuti abweretse vitamini A antioxidant, kuti adye zakudya zomwe zili ndi vitamini A. Ndizofunika kwambiri kutenga zakudya zachilengedwe kusiyana ndi mapiritsi. Ndikofunika pokhapokha ngati mukugwiritsa ntchito mankhwala osokoneza bongo, ndiyeno mogwirizana ndi lamulo la dokotala, kuti musayipitse thupi lanu.