{"id":54857,"date":"2002-12-01T00:00:00","date_gmt":"2018-12-04T05:51:19","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/effect-of-acute-ingestion-of-fresh-and-stored-lettuce-lactuca\/"},"modified":"2018-12-04T06:51:19","modified_gmt":"2018-12-04T05:51:19","slug":"effect-of-acute-ingestion-of-fresh-and-stored-lettuce-lactuca","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/effect-of-acute-ingestion-of-fresh-and-stored-lettuce-lactuca\/","title":{"rendered":"Effect of acute ingestion of fresh and stored-lettuce (Lactuca sativa) on plasma total antioxidant capacity and antioxidant levels in human subjects"},"content":{"rendered":"<p style=\"text-align: justify\">The present study investigated whether storage under modified-atmosphere packaging (MAP) affected the antioxidant properties of fresh lettuce (Lactuca sativa). Eleven healthy volunteers (six men, five women) consumed 250 g fresh lettuce, and blood was sampled before (0 h) and 2, 3 and 6 h after consumption. The protocol was repeated 3 d later with the same lettuce stored at 5degreesC under MAP conditions (O-2-N-2 (5:95, v\/v)). Results showed that after ingestion of fresh lettuce, plasma total radical-trapping antioxidant potential (TRAP), measured as area under the curve, was significantly higher (1.3 (SEM 0.3) mmol\/l per 6 h; P&lt;0.05) than the value obtained with MAP-stored lettuce (0.1 (SEM 0.2) mmol\/l per 6 h). Plasma TRAP, quercetin and p-coumaric acid were significantly different from baseline values (P:&amp;LE;0.05) 2 and 3 h after fresh lettuce ingestion. Caffeic acid increased significantly at 3 h (P&lt; 0.05). Plasma beta-carotene levels increased significantly at 6 h (P&lt; 0.05). Vitamin C concentrations (mg\/l) rose from 10.9 (SEM 2.0) to 12.7 (SEM 3.0) (P&lt;0.001), 12.7 (SEM 2.0) (P&lt;0.01) and 12.9 (SEM 3.0) (P&lt;0.05) at 0, 2, 3 and 6 h respectively. No changes were observed after ingestion of MAP-stored lettuce for all the measured markers. Our present results showed that ingestion of MAP-stored lettuce does not modify plasma redox status in healthy subjects. Further research is needed to develop post-harvesting techniques able to preserve the bioactive molecule content of plant food.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-54857","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"SERAFINI M,INRAN,ANTIOXIDANT RES LAB HUMAN NUTR UNIT; ITALY. serafini@inran.it","annee":"2002","mois":"12","numero":"88:6","page":"615-623","auteurs":[{"ID":15869,"post_author":"0","post_date":"2018-12-03 19:31:59","post_date_gmt":"2018-12-03 18:31:59","post_content":"","post_title":"Mauro Serafini","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"mauro-serafini","to_ping":"","pinged":"","post_modified":"2018-12-03 19:31:59","post_modified_gmt":"2018-12-03 18:31:59","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/mauro-serafini\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":54854,"post_author":"0","post_date":"2018-12-04 06:51:16","post_date_gmt":"2018-12-04 05:51:16","post_content":"","post_title":"Bugianesi","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bugianesi","to_ping":"","pinged":"","post_modified":"2018-12-04 06:51:16","post_modified_gmt":"2018-12-04 05:51:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/bugianesi\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":8455,"post_author":"0","post_date":"2018-12-03 18:00:25","post_date_gmt":"2018-12-03 17:00:25","post_content":"","post_title":"Giuseppe Maiani","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"giuseppe-maiani","to_ping":"","pinged":"","post_modified":"2018-12-03 18:00:25","post_modified_gmt":"2018-12-03 17:00:25","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/giuseppe-maiani\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":8459,"post_author":"0","post_date":"2018-12-03 18:00:27","post_date_gmt":"2018-12-03 17:00:27","post_content":"","post_title":"Elena Azzini","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"elena-azzini","to_ping":"","pinged":"","post_modified":"2018-12-03 18:00:27","post_modified_gmt":"2018-12-03 17:00:27","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/elena-azzini\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":54855,"post_author":"0","post_date":"2018-12-04 06:51:17","post_date_gmt":"2018-12-04 05:51:17","post_content":"","post_title":"Raguzzini","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"raguzzini","to_ping":"","pinged":"","post_modified":"2018-12-04 06:51:17","post_modified_gmt":"2018-12-04 05:51:17","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/raguzzini\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":54856,"post_author":"0","post_date":"2018-12-04 06:51:18","post_date_gmt":"2018-12-04 05:51:18","post_content":"","post_title":"Salucci","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"salucci","to_ping":"","pinged":"","post_modified":"2018-12-04 06:51:18","post_modified_gmt":"2018-12-04 05:51:18","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/salucci\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":41686,"post_author":"0","post_date":"2018-12-04 02:36:48","post_date_gmt":"2018-12-04 01:36:48","post_content":"","post_title":"BRITISH JOURNAL OF NUTRITION","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"british-journal-of-nutrition","to_ping":"","pinged":"","post_modified":"2018-12-04 02:36:48","post_modified_gmt":"2018-12-04 01:36:48","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/british-journal-of-nutrition\/","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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