{"id":57216,"date":"2000-09-01T00:00:00","date_gmt":"2018-12-04T06:35:57","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/moderate-intervention-with-carotenoid-rich-vegetable-products\/"},"modified":"2018-12-04T07:35:57","modified_gmt":"2018-12-04T06:35:57","slug":"moderate-intervention-with-carotenoid-rich-vegetable-products","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/moderate-intervention-with-carotenoid-rich-vegetable-products\/","title":{"rendered":"Moderate intervention with carotenoid-rich vegetable products reduces lipid peroxidation in men"},"content":{"rendered":"<p>Because of their antioxidant properties, carotenoids may have beneficial effects in preventing cancer and cardiovascular disease. However, in humans consuming carotenoid-rich vegetables, data concerning the antioxidant effects of carotenoids are rather scarce. A human intervention trial was conducted, therefore, to determine whether a moderately increased consumption of carotenoid-rich vegetables would influence the antioxidant status in 23 healthy men. This short-term feeding study lasted 8 wk during which the men consumed a low carotenoid diet. A 2-wk low carotenoid period was followed by daily consumption of 330 mL tomato juice, then by 330 mL carrot juice and then by 10 g of spinach powder, each for 2 wk. Antioxidant status [water-soluble antioxidants in serum, ferric reducing ability of plasma (FRAP) and antioxidant enzyme activities] and lipid peroxidation (plasma malondialdehyde and ex vivo oxidation of LDL) were determined. In a subgroup of 10 men, lipoprotein carotenoids were measured. The consumption of carotenoid-rich vegetables significantly increased selected carotenoids in lipoproteins but had only minor effects on their relative distribution pattern. Tomato juice consumption reduced plasma thiobarbituric acid reactive substances (TBARS) by 12% (P: &lt; 0.05) and lipoprotein oxidizability in terms of an increased lag time (18%, P: &lt; 0.05). Carrot juice and spinach powder had no effect on lipid peroxidation. Water-soluble antioxidants, FRAP, glutathione peroxidase and reductase activities did not change during any study period. In evaluating the low carotenoid diet, we conclude that the additional consumption of carotenoid-rich vegetable products enhanced lipoprotein carotenoid concentrations, but only tomato juice reduced LDL oxidation in healthy men.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-57216","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Institute of Nutritional Physiology, Federal Research Centre for Nutrition, D-76131 Karlsruhe, Germany","annee":"2000","mois":"9","numero":"130:9","page":"2200-2206","auteurs":[{"ID":2932,"post_author":"0","post_date":"2018-12-03 17:00:35","post_date_gmt":"2018-12-03 16:00:35","post_content":"","post_title":"Abdulai Abubakari","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"abdulai-abubakari","to_ping":"","pinged":"","post_modified":"2018-12-03 17:00:35","post_modified_gmt":"2018-12-03 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