{"id":53078,"date":"2003-12-01T00:00:00","date_gmt":"2018-12-04T05:13:27","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/orange-juice-ingestion-and-supplemental-vitamin-c-are-equally\/"},"modified":"2018-12-04T06:13:27","modified_gmt":"2018-12-04T05:13:27","slug":"orange-juice-ingestion-and-supplemental-vitamin-c-are-equally","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/orange-juice-ingestion-and-supplemental-vitamin-c-are-equally\/","title":{"rendered":"Orange juice ingestion and supplemental vitamin c are equally effective at reducing plasma lipid peroxidation in healthy adult women."},"content":{"rendered":"<p style=\"text-align: justify\"><strong>OBJECTIVE:<\/strong> To directly examine the contribution of vitamin C to the antioxidant potential of fruits and vegetables, the antioxidant effect of orange juice consumption (8 and 16 fl. oz.) was compared to the antioxidant effect of supplemental vitamin C (dosage equivalent to that supplied by 8 fl. oz. of orange juice).<\/p>\n<p style=\"text-align: justify\"><strong>METHODS: <\/strong>Subjects (n = 11; 28.6 +\/- 2.1 years) received each treatment in a 3 x 3 randomized crossover design, and each two-week treatment was preceded by a two-week washout. During the entire trial, subjects restricted fruit and vegetable consumption to &lt; or =3 servings per day except the vitamin C-rich foods (items containing &gt;20 mg\/serving), which were restricted to &lt; or =3 servings per week. A fasting blood sample was collected at the end of each washout and each treatment period.<\/p>\n<p style=\"text-align: justify\"><strong>RESULTS:<\/strong> Following washouts, plasma vitamin C and lipid peroxidation (plasma TBARS) were similar by treatment group and averaged 25.4 +\/- 3.6 micromol\/L and 3.82 +\/- 0.10 nmol\/mL respectively. Plasma vitamin C concentrations were similar following each treatment period, 37.9 +\/- 8.1, 45.8 +\/- 9.4, and 38.3 +\/- 12.4 micromol\/L for the 8 and 16 fl. oz. orange juice treatments and the supplement treatment, respectively. All intervention treatments reduced plasma TBARS as compared to pretreatment values: -47% (p = 0.013), -40% (p = 0.083), and -46% (p = 0.015) for the 8 and 16 fl. oz. orange juice treatments and supplement treatment respectively.<\/p>\n<p style=\"text-align: justify\"><strong>CONCLUSIONS:<\/strong> These data indicate that the regular consumption of 8 fl. oz. orange juice or supplemental vitamin C ( approximately 70 mg\/day) effectively reduced a marker of lipid peroxidation in plasma.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-53078","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Nutrition, Arizona State University East, 7001 E. Williams Field Road, Mesa, AZ 85212, USA. carol.johnston@asu.edu","annee":"2003","mois":"12","numero":"22:6","page":"519-523","auteurs":[{"ID":26695,"post_author":"0","post_date":"2018-12-03 22:42:23","post_date_gmt":"2018-12-03 21:42:23","post_content":"","post_title":"Carol S Johnston","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"carol-s-johnston","to_ping":"","pinged":"","post_modified":"2018-12-03 22:42:23","post_modified_gmt":"2018-12-03 21:42:23","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/carol-s-johnston\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":53076,"post_author":"0","post_date":"2018-12-04 06:13:26","post_date_gmt":"2018-12-04 05:13:26","post_content":"","post_title":"Dancho","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"dancho","to_ping":"","pinged":"","post_modified":"2018-12-04 06:13:26","post_modified_gmt":"2018-12-04 05:13:26","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/dancho\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":53077,"post_author":"0","post_date":"2018-12-04 06:13:27","post_date_gmt":"2018-12-04 05:13:27","post_content":"","post_title":"Strong","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"strong-2","to_ping":"","pinged":"","post_modified":"2018-12-04 06:13:27","post_modified_gmt":"2018-12-04 05:13:27","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/strong-2\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":46381,"post_author":"0","post_date":"2018-12-04 03:56:53","post_date_gmt":"2018-12-04 02:56:53","post_content":"","post_title":"JOURNAL OF AMERICAN COLLEGE OF NUTRITION","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"journal-of-american-college-of-nutrition","to_ping":"","pinged":"","post_modified":"2018-12-04 03:56:53","post_modified_gmt":"2018-12-04 02:56:53","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/journal-of-american-college-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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