{"id":46271,"date":"2007-04-01T00:00:00","date_gmt":"2018-12-04T02:54:33","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/orange-juice-vs-vitamin-c-effect-on-hydrogen-peroxide-induced\/"},"modified":"2018-12-04T03:54:33","modified_gmt":"2018-12-04T02:54:33","slug":"orange-juice-vs-vitamin-c-effect-on-hydrogen-peroxide-induced","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/orange-juice-vs-vitamin-c-effect-on-hydrogen-peroxide-induced\/","title":{"rendered":"Orange juice vs vitamin c: effect on hydrogen peroxide-induced dna damage in mononuclear blood cells."},"content":{"rendered":"<p style=\"text-align: justify\">The intake of fruits rich in vitamin C seems to increase the antioxidant defence of the organism. However, it is still not clear whether vitamin C alone is responsible for this effect. The aim of the present investigation was to study the effect of the intake of a single portion of blood orange juice (BOJ, 300 ml, providing 150 mg vitamin C) on mononuclear blood cell (MNBC) DNA damage, compared with a drink supplemented with the same amount of vitamin C (C-drink) or sugars (S-drink). Seven young healthy subjects were randomised in a repeated-measures design in which they received each drink on different occasions, 2 weeks apart. Blood samples were collected at baseline, every hour for 8 h, and at 24 h after the intake of each drink. Vitamin C was analysed at each time point by HPLC, whereas H2O2-induced MNBC DNA damage was evaluated at 0, 3 and 24 h by means of the comet assay. Plasma vitamin C concentration increased similarly following BOJ or C-drink intake and was not affected by the S-drink. DNA damage significantly decreased 3 h after BOJ intake (about 18 %; P &lt; 0.01) and remained constant at 24 h (about 16 %; P &lt; 0.01). No effect of the C-drink and S-drink was observed. In conclusion, the intake of a single portion of BOJ provided an early protection of MNBC against oxidative DNA damage; however, the protective effect of BOJ was not explained by vitamin C alone, thus other phytochemicals could be involved<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-46271","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Food Science and Microbiology, Division of Human Nutrition, University of Milan, 20133 Milan, Italy. serena.gaurnieri@unimi.it","annee":"2007","mois":"4","numero":"97:4","page":"639-43","auteurs":[{"ID":17351,"post_author":"0","post_date":"2018-12-03 19:50:18","post_date_gmt":"2018-12-03 18:50:18","post_content":"","post_title":"Patrizia Riso","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"patrizia-riso","to_ping":"","pinged":"","post_modified":"2018-12-03 19:50:18","post_modified_gmt":"2018-12-03 18:50:18","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/patrizia-riso\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":45883,"post_author":"0","post_date":"2018-12-04 03:48:09","post_date_gmt":"2018-12-04 02:48:09","post_content":"","post_title":"Marisa Porrini","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"marisa-porrini","to_ping":"","pinged":"","post_modified":"2018-12-04 03:48:09","post_modified_gmt":"2018-12-04 02:48:09","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/marisa-porrini\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":45885,"post_author":"0","post_date":"2018-12-04 03:48:10","post_date_gmt":"2018-12-04 02:48:10","post_content":"","post_title":"Guarnieri","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"guarnieri","to_ping":"","pinged":"","post_modified":"2018-12-04 03:48:10","post_modified_gmt":"2018-12-04 02:48:10","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/guarnieri\/","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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