{"id":44668,"date":"2008-02-01T00:00:00","date_gmt":"2018-12-04T02:30:07","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/kinetics-of-changes-in-glucosinolate-concentrations-during\/"},"modified":"2018-12-04T03:30:07","modified_gmt":"2018-12-04T02:30:07","slug":"kinetics-of-changes-in-glucosinolate-concentrations-during","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/kinetics-of-changes-in-glucosinolate-concentrations-during\/","title":{"rendered":"Kinetics of changes in glucosinolate concentrations during long-term cooking of white cabbage (Brassica oleracea L. ssp. capitata f. alba)."},"content":{"rendered":"<p style=\"text-align: justify\">Brassica vegetables are the predominant dietary source of glucosinolates (GLS) that can be degraded in the intestinal tract into isothiocyanates, which have been shown to possess anticarcinogenic properties. The effects of pilot-scale long-term boiling on GLS in white cabbage (Brassica oleracea L. ssp. capitata f. alba cv. &#039;Bartolo&#039;) was experimentally determined and mathematically modeled. Cabbage was boiled, resulting in a dramatic decrease of 56% in the total GLS levels within the plant matrix during the first 2 min. After 8-12 min of boiling, the decrease progressed to over 70%. Progoitrin had an exceptionally higher decline rate in comparison to all other GLS. As boiling progressed the concentration of all GLS continued to decrease at a lower rate for the remaining cooking period. A mathematical model was used to describe the concentration profile of the GLS in the plant matrix, based on leaching of GLS to the water phase due to cell lysis and thermal degradation of the GLS both in the plant matrix and in the water phase. The model described the concentration profiles very well. Estimated lysis and degradation rate constants for white cabbage differed from those reported in the literature for red cabbage. The degradation rate constants found were significantly higher in the plant matrix when compared to those in the water phase for all GLS. Identification of the kinetics of decline of GLS during cooking can aid in designing processing and preparation methods and determining the conditions for the optimal effects of ingestion of Brassicaceae toward cancer prevention.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-44668","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Aas, Norway. jon.volden@umb.no","annee":"2008","mois":"2","numero":"56:6","page":"2068-73","auteurs":[{"ID":25865,"post_author":"0","post_date":"2018-12-03 22:29:08","post_date_gmt":"2018-12-03 21:29:08","post_content":"","post_title":"Jacqueline M Dekker","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"jacqueline-m-dekker","to_ping":"","pinged":"","post_modified":"2018-12-03 22:29:08","post_modified_gmt":"2018-12-03 21:29:08","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/jacqueline-m-dekker\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":39641,"post_author":"0","post_date":"2018-12-04 02:01:03","post_date_gmt":"2018-12-04 01:01:03","post_content":"","post_title":"Verkerk","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"verkerk","to_ping":"","pinged":"","post_modified":"2018-12-04 02:01:03","post_modified_gmt":"2018-12-04 01:01:03","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/verkerk\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":44666,"post_author":"0","post_date":"2018-12-04 03:30:06","post_date_gmt":"2018-12-04 02:30:06","post_content":"","post_title":"Wicklund,","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"wicklund","to_ping":"","pinged":"","post_modified":"2018-12-04 03:30:06","post_modified_gmt":"2018-12-04 02:30:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/wicklund\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":44667,"post_author":"0","post_date":"2018-12-04 03:30:06","post_date_gmt":"2018-12-04 02:30:06","post_content":"","post_title":"Volden","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"volden","to_ping":"","pinged":"","post_modified":"2018-12-04 03:30:06","post_modified_gmt":"2018-12-04 02:30:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/volden\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":34177,"post_author":"0","post_date":"2018-12-04 00:24:14","post_date_gmt":"2018-12-03 23:24:14","post_content":"","post_title":"J AGRIC FOOD CHEM","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"j-agric-food-chem-2","to_ping":"","pinged":"","post_modified":"2018-12-04 00:24:14","post_modified_gmt":"2018-12-03 23:24:14","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/j-agric-food-chem-2\/","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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