{"id":53210,"date":"2003-11-01T00:00:00","date_gmt":"2018-12-04T05:15:37","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/tetrahydro-beta-carboline-alkaloids-occur-in-fruits-and\/"},"modified":"2018-12-04T06:15:37","modified_gmt":"2018-12-04T05:15:37","slug":"tetrahydro-beta-carboline-alkaloids-occur-in-fruits-and","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/tetrahydro-beta-carboline-alkaloids-occur-in-fruits-and\/","title":{"rendered":"Tetrahydro-beta-carboline alkaloids occur in fruits and fruit juices. activity as antioxidants and radical scavengers."},"content":{"rendered":"

\u00ab\u00a0Tetrahydro-beta-carbolines are biologically active alkaloids that occur and accumulate in mammalian tissues, fluids, and brain, but their ultimate origin or biological role is still uncertain. Four tetrahydro-beta-carboline alkaloids: 1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid, 1-methyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid, 1-methyl-1,2,3,4-tetrahydro-beta-carboline, and 6-hydroxy-1-methyl-1,2,3,4-tetrahydro-beta-carboline, are found as naturally occurring substances in some fruit and fruit juices. These compounds occur in the microg\/g level in those products, and a characteristic and distinct profile appears to exist depending on the type of fruit and juice involved. Thus, 1-methyl-1,2,3,4-tetrahydro-beta-carboline may appear in tomato, tomato juice, and kiwi; 6-hydroxy-1-methyl-1,2,3,4-tetrahydro-beta-carboline in bananas, pineapple, tomato, and their corresponding juices; and 1-methyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid in oranges and grapefruits, although it also occurred in most juices. Fruit-occurring tetrahydro-beta-carboline alkaloids acted as antioxidants and free radical scavengers in the ABTS assay when compared with ascorbic acid and Trolox. This suggests that tetrahydro-beta-carboline alkaloids might act as antioxidants when absorbed and accumulated in the body, contributing to the antioxidant effect of fruit products containing these compounds.\u00a0\u00bb<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-53210","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Spanish Council for Scientific Research, Instituto de Fermentaciones Industriales, CSIC, Juan de la Cierva, 3, 28006 Madrid, Spain. therraiz@ifi.csic.es","annee":"2003","mois":"11","numero":"51:24","page":"7156-7161","auteurs":[{"ID":53208,"post_author":"0","post_date":"2018-12-04 06:15:36","post_date_gmt":"2018-12-04 05:15:36","post_content":"","post_title":"Galisteo","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"galisteo","to_ping":"","pinged":"","post_modified":"2018-12-04 06:15:36","post_modified_gmt":"2018-12-04 05:15:36","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/galisteo\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":53209,"post_author":"0","post_date":"2018-12-04 06:15:36","post_date_gmt":"2018-12-04 05:15:36","post_content":"","post_title":"Herraiz","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"herraiz","to_ping":"","pinged":"","post_modified":"2018-12-04 06:15:36","post_modified_gmt":"2018-12-04 05:15:36","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/herraiz\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":1648,"post_author":"0","post_date":"2018-12-03 16:01:16","post_date_gmt":"2018-12-03 15:01:16","post_content":"","post_title":"Journal of agricultural and food chemistry","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"journal-of-agricultural-and-food-chemistry","to_ping":"","pinged":"","post_modified":"2018-12-03 16:01:16","post_modified_gmt":"2018-12-03 15:01:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/journal-of-agricultural-and-food-chemistry\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"\nTetrahydro-beta-carboline alkaloids occur in fruits and fruit juices. activity as antioxidants and radical scavengers. - 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