{"id":1141,"date":"2016-03-04T02:15:43","date_gmt":"2016-03-04T01:15:43","guid":{"rendered":"https:\/\/eco-supplements.com\/pl\/?p=1141"},"modified":"2016-03-06T00:18:47","modified_gmt":"2016-03-05T23:18:47","slug":"ocena-potrzeb-i-mozliwosci-zwiekszenia-zawartosci-witaminy-b12-w-diecie","status":"publish","type":"post","link":"https:\/\/eco-supplements.com\/pl\/naukowe\/ocena-potrzeb-i-mozliwosci-zwiekszenia-zawartosci-witaminy-b12-w-diecie\/","title":{"rendered":"Ocena potrzeb i mo\u017cliwo\u015bci zwi\u0119kszenia zawarto\u015bci witaminy B12 w diecie"},"content":{"rendered":"<p>Witamina B12 to grupa zwi\u0105zk\u00f3w o aktywno\u015bci biologicznej zbli\u017conej do cyjanokobalaminy. Biodost\u0119pno\u015b\u0107 witaminy B12 z r\u00f3\u017cnych produkt\u00f3w r\u00f3\u017cni si\u0119 znacznie np. z mi\u0119sa kurcz\u0105t wynosi \u015brednio 61-66%, ryb 42%, natomiast z jaj &lt;9% Stosunkowo \u0142atwo uzupe\u0142nia\u0107 niedobory witaminy B12 spo\u017cywaj\u0105c regularnie produkty wzbogacone dost\u0119pne na rynku lub suplementy diety.<\/p>\n<p><!--more--><\/p>\n<h3>Cel bada\u0144<\/h3>\n<p>Celem bada\u0144 by\u0142a charakterystyka dost\u0119pnych na rynku produkt\u00f3w wzbogaconych witamin\u0105 B12 oraz ocena mo\u017cliwo\u015bci zwi\u0119kszenia pobrania tej witaminy poprzez w\u0142\u0105czanie takich produkt\u00f3w do codziennej diety.<\/p>\n<h3>Materia\u0142 i metoda<\/h3>\n<p>Badanie przeprowadzono zim\u0105 2011 roku, w 11 sieciach handlowych w Warszawie. Dane o produktach zaczerpni\u0119to z informacji zawartych na opakowaniach. W sprzeda\u017cy znaleziono 220 produkt\u00f3w z dodatkiem tej witaminy B12. Dodawana ona by\u0142a przede wszystkim do p\u0142atk\u00f3w \u015bniadaniowych, sok\u00f3w, napoj\u00f3w bezalkoholowych, baton\u00f3w zbo\u017cowych, cukierk\u00f3w, kakao i herbat granulowanych, margaryn, ale r\u00f3wnie\u017c do produkt\u00f3w sojowych. Najliczniejsz\u0105 grup\u0119 produkt\u00f3w stanowi\u0142y p\u0142atki \u015bniadaniowe (40%) oraz soki i napoje bezalkoholowe (30%).<\/p>\n<h3>Wyniki<\/h3>\n<p>Najwy\u017csz\u0105 zawarto\u015bci\u0105 witaminy B12 charakteryzowa\u0142y si\u0119 niekt\u00f3re cukierki (max. 4,5\u03bcg\/100g) i napoje herbaciane (max. 3,75\u03bcg\/100g), a najni\u017csz\u0105 napoje owocowe (min. 0,12\u03bcg\/100g). Szeroka oferta produkt\u00f3w z dodatkiem witaminy B12 umo\u017cliwia zwi\u0119kszenie spo\u017cycia tej witaminy, na przyk\u0142ad poprzez spo\u017cycie szklanki napoju sojowego (20,8% normy na poziomie RDA), kubka deseru sojowego (15%), napoju herbacianego (14%), szklanki soku jab\u0142kowego (12,5%), batonu zbo\u017cowego (10%), porcji p\u0142atk\u00f3w kukurydzianych (9,8%) czy kromki pieczywa z margaryn\u0105 (7,5%). Oszacowano, \u017ce jednorazowe spo\u017cycie \u015bredniej porcji produkt\u00f3w z dodatkiem witaminy B12 mo\u017ce dostarczy\u0107 jej 0,18-0,5 \u03bcg (7,5-20,8% normy RDA dla os\u00f3b doros\u0142ych).<\/p>\n<h3>Wnioski<\/h3>\n<p>Aby produkty spo\u017cywcze wzbogacone spe\u0142nia\u0142y pozytywn\u0105 rol\u0119 w \u017cywieniu potrzebna jest odpowiednia edukacja \u017cywieniowa spo\u0142ecze\u0144stwa, ze szczeg\u00f3lnym zwr\u00f3ceniem uwagi na osoby starsze oraz osoby stosuj\u0105ce diety wegetaria\u0144skie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Witamina B12 to grupa zwi\u0105zk\u00f3w o aktywno\u015bci biologicznej zbli\u017conej do cyjanokobalaminy. Biodost\u0119pno\u015b\u0107 witaminy B12 z r\u00f3\u017cnych produkt\u00f3w r\u00f3\u017cni si\u0119 znacznie np. z mi\u0119sa kurcz\u0105t wynosi \u015brednio 61-66%, ryb 42%, natomiast [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1142,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[257],"tags":[264,275,207,274],"class_list":["post-1141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-naukowe","tag-dieta","tag-ewa-sicinska","tag-witamina-b12","tag-wzbogacanie-zywnosci"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Witamina B12 to grupa zwi\u0105zk\u00f3w o aktywno\u015bci biologicznej zbli\u017conej do cyjanokobalaminy. 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