{"id":62818,"date":"2020-06-12T08:27:05","date_gmt":"2020-06-12T08:27:05","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=disease&p=62818"},"modified":"2020-10-28T13:33:14","modified_gmt":"2020-10-28T13:33:14","slug":"cink","status":"publish","type":"disease","link":"https:\/\/www.humanitas.net\/sl\/diseases\/cink\/","title":{"rendered":"Cink"},"content":{"rendered":"

Kaj je cink?<\/h2>\n

Cink je pomemben element v sledeh, kar pomeni, da je v telesu prisoten v majhnih koli\u010dinah. Pri odrasli osebi ga je v telesu pribli\u017eno 2 gm. Poleg \u017eeleza je cink najpogostej\u0161i mineral v telesu in ga najdemo v vsaki celici. Ima pomembno vlogo pri rasti, razmno\u017eevanju, strjevanju krvi, vidu, delovanju \u0161\u010ditnice in pri delovanju imunskega sistema.<\/p>\n

 <\/p>\n

Kak\u0161na je funkcija cinka?<\/h2>\n

Cink je komponenta, ki sodeluje pri delovanju ve\u010d sto encimskih kompleksov, kot so presnova beljakovin, lipidov, ogljikovih hidratov in nukleinskih kislin. Poleg tega je potreben tudi za delovanje ve\u010d hormonov, vklju\u010dno s hormoni \u0161\u010ditnice, hormoni inzulina, spolnih hormonov in rastnega hormona. Njegova prisotnost je pomembna tako za stabilizacijo membran kot drugih celi\u010dnih komponent ter za zagotovitev ustrezne strukture in regulacije organov. Cink je nujen za delitev celic, pa tudi za rast in razvoj v nose\u010dnosti, otro\u0161tvu in mladostni\u0161tvu. Sodeluje tudi pri sintezi DNK, izra\u017eanju genov v imunskem odzivu, celjenju ran in obnavljanju tkiv. Sodeluje tudi pri zaznavanju okusa in vonja.<\/p>\n

 <\/p>\n

Katera \u017eivila so bogata s cinkom?<\/h2>\n

Cink najdemo predvsem v ostrigah, kvasu, jetrih, mesu, jajcih, ribah, \u017eitu, mleku in mle\u010dnih izdelkih. Vendar lahko telo absorbira le majhno koli\u010dino cinka, med 20 in 30% celotne koli\u010dine, ki jo najdemo v hrani. Njegova prisotnost v zelenjavi je v manj dostopni obliki in jo je te\u017eje absorbirati.<\/p>\n

 <\/p>\n

Kak\u0161na je priporo\u010dena dnevna potreba po cinku?<\/h2>\n

Priporo\u010deni dnevni vnos cinka je 15 mg. Pri \u017eenskah pa se potreba v \u010dasu dojenja pove\u010duje in dose\u017ee 19 mg na dan. Vsekakor je treba cink jemati z vodo ali sokom in z obroki.<\/p>\n

 <\/p>\n

Kak\u0161ne so posledice pomanjkanja cinka?<\/h2>\n

Pomanjkanje cinka, ki vodi do resnih posledic, je redko opaziti. Vendar pa nezadosten vnos tega hranila lahko povzro\u010di spremembe na ko\u017ei, izgubo las, drisko, ponavljajo\u010de se oku\u017ebe in psihi\u010dne te\u017eave. V hudih primerih lahko pomanjkanje povzro\u010di zamude pri razvoju in spolno zorenje, impotenco, izgubo te\u017ee, ogro\u017ea okus, vonj ali upo\u010dasni celjenje ran. Poleg tega pomanjkanje cinka lahko pove\u010da tveganje za pomanjkanje vitamina A.<\/p>\n

 <\/p>\n

Kak\u0161ne so posledice prekomernega vnosa cinka?<\/h2>\n

Prekomerni vnos cinka obi\u010dajno povzro\u010di bruhanje, slabost, drisko, razdra\u017eljivost, zaspanost, slabokrvnost in omotico. Prese\u017eek cinka, ki se nabere s\u010dasoma, lahko namesto tega spremeni presnovo bakra in \u017eeleza v telesu, moti zdravje rde\u010dih krvnih celic, zmanj\u0161a raven nekaterih belih krvnih celic in poslab\u0161a imunsko delovanje. Preve\u010d cinka lahko tudi zni\u017ea holesterol HDL, ki velja za “dober” holesterol, kar pa vpliva na delovanje srca in nekaterih encimov trebu\u0161ne slinavke.<\/p>\n

 <\/p>\n

Ali je res, da jemanje cinka lahko pomaga prepre\u010diti prehlad?<\/h2>\n

Nekatere \u0161tudije so pokazale, da lahko v primeru podhranjenosti jemanje cinka pove\u010da T-limfocite in tako skraj\u0161a trajanje in resnost oku\u017eb. Vendar se zdi, da blazinice in nosni geli iz cinka niso u\u010dinkoviti pri zdravljenju prehladov.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","yoast_head":"\nCink - 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\/sl\/diseases\/cink\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cink - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Kaj je cink? Cink je pomemben element v sledeh, kar pomeni, da je v telesu prisoten v majhnih koli\u010dinah. Pri odrasli osebi ga je v telesu pribli\u017eno 2 gm. Poleg \u017eeleza je cink najpogostej\u0161i mineral v telesu in ga najdemo v vsaki celici. 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