{"id":46605,"date":"2007-04-01T00:00:00","date_gmt":"2018-12-04T03:03:10","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/carotene-rich-plant-foods-ingested-with-minimal-dietary-fat\/"},"modified":"2018-12-04T04:03:10","modified_gmt":"2018-12-04T03:03:10","slug":"carotene-rich-plant-foods-ingested-with-minimal-dietary-fat","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/carotene-rich-plant-foods-ingested-with-minimal-dietary-fat\/","title":{"rendered":"Carotene-rich plant foods ingested with minimal dietary fat enhance the total-body vitamin a pool size in filipino schoolchildren as assessed by stable-isotope-dilution methodology."},"content":{"rendered":"<p>BACKGROUND: Strategies for improving the vitamin A status of vulnerable populations are needed. OBJECTIVE: We studied the influence of the amounts of dietary fat on the effectiveness of carotene-rich plant foods in improving vitamin A status. DESIGN: Schoolchildren aged 9-12 y were fed standardized meals 3 times\/d, 5 d\/wk, for 9 wk. The meals provided 4.2 mg provitamin A carotenoids\/d (mainly beta-carotene) from yellow and green leafy vegetables [carrots, pechay (bok choy), squash, and kangkong (swamp cabbage)] and 7, 15, or 29 g fat\/d (2.4, 5, or 10 g fat\/meal) in groups A, B, and C (n = 39, 39, and 38, respectively). Other self-selected foods eaten were recorded daily. Before and after the intervention, total-body vitamin A pool sizes and liver vitamin A concentrations were measured with the deuterated-retinol-dilution method; serum retinol and carotenoid concentrations were measured by HPLC. RESULTS: Similar increases in mean serum beta-carotene (5-fold), alpha-carotene (19-fold), and beta-cryptoxanthin (2-fold) concentrations; total-body vitamin A pool size (2-fold); and liver vitamin A (2-fold) concentrations were observed after 9 wk in the 3 study groups; mean serum retinol concentrations did not change significantly. The total daily beta-carotene intake from study meals plus self-selected foods was similar between the 3 groups and was 14 times the usual intake; total fat intake was 0.9, 1.4, or 2.0 times the usual intake in groups A, B, and C, respectively. The overall prevalence of low liver vitamin A (&lt;0.07 mumol\/g) decreased from 35% to 7%. CONCLUSIONS: Carotene-rich yellow and green leafy vegetables, when ingested with minimal fat, enhance serum carotenoids and the total-body vitamin A pool size and can restore low liver vitamin A concentrations to normal concentrations.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-46605","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Jean Mayer US Department of Agriculture Human Nutrition Research Center at Tufts University, Boston, MA, USA. judy.ribaya-mercado@tufts.edu\r\n","annee":"2007","mois":"4","numero":"85:4","page":"1041-9","auteurs":[{"ID":18676,"post_author":"0","post_date":"2018-12-03 20:11:16","post_date_gmt":"2018-12-03 19:11:16","post_content":"","post_title":"Jeffrey B Blumberg","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"jeffrey-b-blumberg","to_ping":"","pinged":"","post_modified":"2018-12-03 20:11:16","post_modified_gmt":"2018-12-03 19:11:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/jeffrey-b-blumberg\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":41160,"post_author":"0","post_date":"2018-12-04 02:27:58","post_date_gmt":"2018-12-04 01:27:58","post_content":"","post_title":"Ribaya-mercado","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"ribaya-mercado","to_ping":"","pinged":"","post_modified":"2018-12-04 02:27:58","post_modified_gmt":"2018-12-04 01:27:58","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/ribaya-mercado\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46603,"post_author":"0","post_date":"2018-12-04 04:03:06","post_date_gmt":"2018-12-04 03:03:06","post_content":"","post_title":"Dolnikowski","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"dolnikowski","to_ping":"","pinged":"","post_modified":"2018-12-04 04:03:06","post_modified_gmt":"2018-12-04 03:03:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/dolnikowski\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":41161,"post_author":"0","post_date":"2018-12-04 02:27:58","post_date_gmt":"2018-12-04 01:27:58","post_content":"","post_title":"Maramag","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"maramag","to_ping":"","pinged":"","post_modified":"2018-12-04 02:27:58","post_modified_gmt":"2018-12-04 01:27:58","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/maramag\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46604,"post_author":"0","post_date":"2018-12-04 04:03:08","post_date_gmt":"2018-12-04 03:03:08","post_content":"","post_title":"Tengco","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"tengco","to_ping":"","pinged":"","post_modified":"2018-12-04 04:03:08","post_modified_gmt":"2018-12-04 03:03:08","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/tengco\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":39106,"post_author":"0","post_date":"2018-12-04 01:48:46","post_date_gmt":"2018-12-04 00:48:46","post_content":"","post_title":"Solon","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"solon","to_ping":"","pinged":"","post_modified":"2018-12-04 01:48:46","post_modified_gmt":"2018-12-04 00:48:46","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/solon\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":1720,"post_author":"0","post_date":"2018-12-03 16:01:56","post_date_gmt":"2018-12-03 15:01:56","post_content":"","post_title":"Am J Clin Nutr.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"am-j-clin-nutr","to_ping":"","pinged":"","post_modified":"2018-12-03 16:01:56","post_modified_gmt":"2018-12-03 15:01:56","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/am-j-clin-nutr\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - 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