{"id":80656,"date":"2018-04-13T14:03:19","date_gmt":"2018-04-13T14:03:19","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/vitamina-c-acid-ascorbic\/"},"modified":"2018-04-13T14:03:19","modified_gmt":"2018-04-13T14:03:19","slug":"vitamina-c-acid-ascorbic","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/vitamina-c-acid-ascorbic\/","title":{"rendered":"Vitamina C (acid ascorbic)"},"content":{"rendered":"

Ce este vitamina C?<\/h2>\n

Vitamina C este parte din vitaminele solubile \u00een ap\u0103. Acestea nu sunt depozitate \u00een corp \u0219i trebuie luate regulat din alimente sau suplimente.<\/p>\n

Pe l\u00e2ng\u0103 faptul c\u0103 se tope\u0219te \u00een ap\u0103, vitamina C este sensibil\u0103 la temperaturi ridicate, f\u0103c\u00e2nd- s\u0103 se r\u0103sp\u00e2ndeasc\u0103 dac\u0103 este g\u0103tit\u0103 \u00een ap\u0103 fierbinte.<\/p>\n

Care este rolul vitaminei C?<\/h2>\n

Vitamina C ia parte la multe reac\u021bii metabolice \u0219i la biosinteza aminoacizilor, hormonilor \u0219i colagenului.<\/p>\n

Mul\u021bumit\u0103 capacit\u0103\u021bii antioxidante puternice, vitamina C poate pune o barier\u0103 pentru protejarea sistemului imunitar de posibile riscuri canceroase, \u00een special \u00een stomac. Contribu\u021bia este esen\u021bial\u0103 pentru neutralizarea radicalilor liberi.<\/p>\n

Ce alimente sunt bogate \u00een vitamina C?<\/h2>\n

Vitamina C este prezent\u0103 \u00een alimente proaspete, \u00een fructe \u0219i legume, cum ar fi portocale, c\u0103p\u0219uni, mandarine, kiwi, l\u0103m\u00e2ie, spanac, broccoli, ro\u0219i \u0219i ardei. Pentru a se bucura de beneficiile vitaminei C, aceste alimente ar trebui p\u0103strate \u0219i conservate pentru nu mai mult de 3 – 4 zile \u0219i m\u00e2ncate natural sau u\u0219or g\u0103tite.<\/p>\n

Care este cerin\u021ba zilnic\u0103 de vitamina C?<\/h2>\n

Cerin\u021ba zilnic\u0103 de vitamina C este de aproximativ 90 mg pentru b\u0103rba\u021bi \u0219i aproximativ 70 mg pentru femei (\u00een cazurile care implic\u0103 na\u0219terea, procentul poate cre\u0219te).<\/p>\n

Deficien\u021ba de vitamina C<\/h2>\n

Lipsa de vitamina C cauzeaz\u0103 prezen\u021ba scorbutului, o boal\u0103 care este foarte comun\u0103 la marinarii care tr\u0103iesc pe vase \u0219i nu au m\u00e2ncare proasp\u0103t\u0103. Simptomele scorbutului includ apatie, anemie \u0219i lipsa de apetit, dup\u0103 care urmeaz\u0103 alte semne, cum ar fi gingii s\u00e2nger\u00e2nde, pierderea din\u021bilor, durere muscular\u0103 \u0219i s\u00e2ngerare pe sub piele.<\/p>\n

Ingerarea excesiv\u0103 de vitamina C<\/h2>\n

Ingerarea excesiv\u0103 de vitamina C cauzat\u0103 de dieta neechilibrat\u0103 sau de utilizarea gre\u0219it\u0103 a suplimentelor poate duce la probleme de rinichi \u0219i la o supradoz\u0103 de absorb\u021bie de fier. Ingerarea excesiv\u0103 de vitamina C poate duce la simptome, cum ar fi dureri de cap, arsuri, vom\u0103, diaree, gastrit\u0103, crampe, sl\u0103biciune, ame\u021beal\u0103 \u0219i c\u0103lduri<\/p>\n

.<\/p>\n

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