{"id":43146,"date":"2009-02-01T00:00:00","date_gmt":"2018-12-04T02:02:20","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/13c-natural-abundance-in-serum-retinol-acts-as-a-biomarker-for\/"},"modified":"2018-12-04T03:02:20","modified_gmt":"2018-12-04T02:02:20","slug":"13c-natural-abundance-in-serum-retinol-acts-as-a-biomarker-for","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/13c-natural-abundance-in-serum-retinol-acts-as-a-biomarker-for\/","title":{"rendered":"13C natural abundance in serum retinol acts as a biomarker for increases in dietary provitamin A."},"content":{"rendered":"

The natural isotopic composition of 13C and 12C in tissues is largely determined by the diet. Sources of provitamin A carotenoids (e.g., vegetables) typically have a lower 13C to 12C ratio (13C:12C) than preformed vitamin A sources (i.e., dairy and meat) from corn-fed animals, which are prevalent in the US. The 13C:12C of serum retinol (13C:12C-retinol) was evaluated as a biomarker for vegetable intake in a 3-mo dietary intervention designed to promote weight-loss by increased vegetable consumption or reduced calorie and fat intake. Subjects were 21-50 y of age with a BMI between 30-40 kg\/m² and were enrolled from one geographic area in the US. The high vegetable group (n=20) was encouraged to increase daily vegetable and fruit consumption to 0.95 liter vegetables and 0.24-0.35 liter fruits. The caloric reduction group (n=17) was encouraged to lower caloric intake by 500 kcal and consume<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-43146","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"University of Wisconsin-Madison, Department of Nutritional Sciences, 1415 Linden Drive, Madison, WI 53706, USA.","annee":"2009","mois":"2","numero":"234:2","page":"140-147","auteurs":[{"ID":43144,"post_author":"0","post_date":"2018-12-04 03:02:19","post_date_gmt":"2018-12-04 02:02:19","post_content":"","post_title":"Howe","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"howe-2","to_ping":"","pinged":"","post_modified":"2018-12-04 03:02:19","post_modified_gmt":"2018-12-04 02:02:19","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/howe-2\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":43029,"post_author":"0","post_date":"2018-12-04 03:00:17","post_date_gmt":"2018-12-04 02:00:17","post_content":"","post_title":"Valentine","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"valentine","to_ping":"","pinged":"","post_modified":"2018-12-04 03:00:17","post_modified_gmt":"2018-12-04 02:00:17","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/valentine\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":43145,"post_author":"0","post_date":"2018-12-04 03:02:20","post_date_gmt":"2018-12-04 02:02:20","post_content":"","post_title":"Hull","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"hull-2","to_ping":"","pinged":"","post_modified":"2018-12-04 03:02:20","post_modified_gmt":"2018-12-04 02:02:20","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/hull-2\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":43030,"post_author":"0","post_date":"2018-12-04 03:00:18","post_date_gmt":"2018-12-04 02:00:18","post_content":"","post_title":"Exp Biol Med (Maywood).","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"exp-biol-med-maywood","to_ping":"","pinged":"","post_modified":"2018-12-04 03:00:18","post_modified_gmt":"2018-12-04 02:00:18","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/exp-biol-med-maywood\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"\n13C natural abundance in serum retinol acts as a biomarker for increases in dietary provitamin A. - 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