{"id":48997,"date":"2018-04-17T10:39:21","date_gmt":"2018-04-17T10:39:21","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&p=48997"},"modified":"2018-04-17T10:40:12","modified_gmt":"2018-04-17T10:40:12","slug":"gvozde","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/sr\/wiki\/minerali\/gvozde\/","title":{"rendered":"Gvo\u017e\u0111e"},"content":{"rendered":"

\u0160ta je gvo\u017e\u0111e?<\/h2>\n

Gvo\u017e\u0111e spada u grupu makroelemenata, \u0161to zna\u010di da je ono jedan od najrasprostranjenijih minerala u ljudskom telu. Nalazi se u eritrocitima, odnosno crvenih krvnim zrncima, i slu\u017ei za preno\u0161enje krvi oboga\u0107ene kiseonikom u ostale delove tela. Gvo\u017e\u0111e tako\u0111e aktivno u\u010destvuje u procesu proizvodnje adenozin trifosfata, jednog od glavnih izvora energije u telu. Ovaj metal predstavlja klju\u010dni faktor u odr\u017eavanju normalne funkcije metabolizma kod skoro svih \u017eivih bi\u0107a.<\/p>\n

 <\/p>\n

Koja je funkcija gvo\u017e\u0111a?<\/h2>\n

Gvo\u017e\u0111e je jedan od glavnih sastojaka hemoglobina i mioglobina. Hemoglobin i mioglobin su dva proteina koji u\u010destvuju u preno\u0161enju i skladi\u0161tenju kiseonika u krvi. Hemoglobin prenosi kiseonik iz plu\u0107a u ostatak tela, dok mioglobin snabdeva mi\u0161i\u0107e i druga tkiva kiseonikom. Mioglobin tako\u0111e ima veoma bitnu ulogu u odr\u017eavanju normalne funkcije velikog broja enzima. Tako\u0111e je bitan i za proizvodnju odre\u0111enih vrsta hormona i vezivnih tkiva unutar tela. U ljudskom telu gvo\u017e\u0111e predstavlja jednu od glavnih komponenti stotine rali\u010ditih vrsta proteina i enzima.<\/p>\n

 <\/p>\n

Koje namirnice u sebi sadr\u017ee gvo\u017e\u0111e?<\/h2>\n

Neke od namirnica u kojima se mo\u017ee na\u0107i ve\u0107a koli\u010dina gvo\u017e\u0111a su jetra, meso i riba. Gvo\u017e\u0111e se tako\u0111e mo\u017ee na\u0107i i u velikom broju povr\u0107a, pogotovo u mahunarkama poput pasulja, gra\u0161ka i so\u010diva. Ve\u0107e koli\u010dine ovog minerala nalaze se i u \u017eitaricama, su\u0161enom vo\u0107u i lisnatom zelenom povr\u0107u poput spana\u0107a. Iako se velike koli\u010dine gvo\u017e\u0111a mogu na\u0107i u povr\u0107u, oblik u kome se ovaj mineral nalazi ne mo\u017ee se toliko efikasno razgraditi u telu. Zbog toga se najve\u0107a koli\u010dina gvo\u017e\u0111a dobija iz hrane \u017eivotinjskog porekla. Kako bi se osigurao dovoljan unos ovog minerala u telo, savetuje se ishrana bogata namirnicama koje pored gvo\u017e\u0111a sadr\u017ee i vitamin c (poput limuna i paprika). Vitamin C poma\u017ei pri absorpciji ovog minerala.<\/p>\n

 <\/p>\n

Koji je preporu\u010deni dnveni unos gvo\u017e\u0111a?<\/h2>\n

Preporu\u010deni dnevni unos gvo\u017e\u0111a kod odrasle osobe je 14 mg. Kolika je ta\u010dna dnevna potreba za gvo\u017e\u0111em zavisi od pola, starosti, stanja imunolo\u0161kog sistema, kao i posebnih situacija poput trudno\u0107e ili dojenja. \u017denama je uglavnom potrebna ve\u0107a koli\u010dina gvo\u017e\u0111a nego mu\u0161karcima.<\/p>\n

 <\/p>\n

Koje su posledice nedostatka gvo\u017e\u0111a u telu?<\/h2>\n

Nedostatak ovog minerala u telu mo\u017ee izazvati anemiju. Anemija je stanje koje dovodi do smanjivanja broja crvenih krvnih zrnaca u krvi. Smanjena koli\u010dina eritrocita umanjuje sposobnost krvi da prenosi kiseonik u tkiva i organe. Neki od simptoma koji se naj\u010de\u0161\u0107e javljaju kao posledica anemije su malaksalost, nedostatak energije, problemi sa digestivnim traktom, problemi sa pam\u0107enjem i koncentracijom, oslabljen imunitet i problemi sa kontrolisanjam telesne toplote. Pored toga, nedostatak gvo\u017e\u0111a u toku trudno\u0107e mo\u017ee nepovoljno uticati na razvoj nervnog sistema ploda i pove\u0107ati rizik od prevremenog poro\u0111aja i male telesne te\u017eine novoro\u0111en\u010deta.<\/p>\n

 <\/p>\n

Koje su posledice preteranog unosa gvo\u017e\u0111a?<\/h2>\n

Preterani unos ovog minerala u telo mo\u017ee dovesti do pojave problema u \u017eelucu, zatvora, mu\u010dnine, povra\u0107anja, bola u predelu abdomena i nesvestice. Povi\u0161en nivo gvo\u017e\u0111a u krvi mo\u017ee smanjiti sposobnost tela da apsorbuje cink. Izuzetno velike koli\u010dine gvo\u017e\u0111a (koli\u010dine od nekoliko stotina grama) mogu izazvati veoma ozbiljne probleme poput prestanka rada organa, kome, konvulzija i u nekim slu\u010dajevima smrti. Prevelika koli\u010dina gvo\u017e\u0111a u telu povezana je i sa stanjem koje se naziva hemokromatoza. Hemokromatoza je stanje koje izaziva sakupljanje toksi\u010dne koli\u010dine gvo\u017e\u0111a u telu. Ukoliko se ovo stanje ne le\u010di, mo\u017ee do\u0107i do ciroze jetre, raka jetre i pojave kardiovaskularnih bolesti.<\/p>\n

 <\/p>\n

Za\u0161to trudnice treba da unose ve\u0107u koli\u010dinu gvo\u017e\u0111a?<\/h2>\n

U toku trudno\u0107e pove\u0107ava se koli\u010dna krvi koja cirkuli\u0161e kroz telo, te se samim tim pove\u0107ava i potreba tela za gvo\u017e\u0111em.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[1630],"wiki-types":[],"yoast_head":"\nGvo\u017e\u0111e - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humanitas.net\/sr\/wiki\/minerali\/gvozde\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gvo\u017e\u0111e - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je gvo\u017e\u0111e? Gvo\u017e\u0111e spada u grupu makroelemenata, \u0161to zna\u010di da je ono jedan od najrasprostranjenijih minerala u ljudskom telu. Nalazi se u eritrocitima, odnosno crvenih krvnim zrncima, i slu\u017ei za preno\u0161enje krvi oboga\u0107ene kiseonikom u ostale delove tela. Gvo\u017e\u0111e tako\u0111e aktivno u\u010destvuje u procesu proizvodnje adenozin trifosfata, jednog od glavnih izvora energije u telu. 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Gvo\u017e\u0111e spada u grupu makroelemenata, \u0161to zna\u010di da je ono jedan od najrasprostranjenijih minerala u ljudskom telu. Nalazi se u eritrocitima, odnosno crvenih krvnim zrncima, i slu\u017ei za preno\u0161enje krvi oboga\u0107ene kiseonikom u ostale delove tela. Gvo\u017e\u0111e tako\u0111e aktivno u\u010destvuje u procesu proizvodnje adenozin trifosfata, jednog od glavnih izvora energije u telu. 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