{"id":49215,"date":"2006-03-01T00:00:00","date_gmt":"2018-12-04T03:52:55","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/variation-in-the-content-of-glucosinolates-hydroxycinnamic\/"},"modified":"2018-12-04T04:52:55","modified_gmt":"2018-12-04T03:52:55","slug":"variation-in-the-content-of-glucosinolates-hydroxycinnamic","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/variation-in-the-content-of-glucosinolates-hydroxycinnamic\/","title":{"rendered":"Variation in the content of glucosinolates, hydroxycinnamic acids, carotenoids, total antioxidant capacity and low-molecular-weight carbohydrates in brassica vegetables"},"content":{"rendered":"<p>Bioactive compounds were investigated in genotypes (cauliflower 10, white cabbage 10, curly kale 1) and plant parts of the three crops. The content of most of the major glucosinolates glucobrassicin, sinigrin and glucoiberin differed significantly between cultivars. Samples harvested in 2000 had higher amounts of several glucosinolates than samples from 1999. Within cauliflower the buds of the floret had 1.5 to 2.5-fold higher concentration of glucobrassicin and 4-methoxyglucobrassicin than the stalk. In white cabbage several glucosinolates had their highest content in the outer leaves (up to 2-fold higher). Upper leaves of curly kale contained 5-fold more of total glucosinolates than lower leaves. Chlorogenic acid was the dominating hydroxycinnamate in curly kale, which also contained at least ten times more of carotenoids (mainly lutein) than white cabbage. Total antioxidant capacity (TAC) assayed with the FRAP method was 0.76 (0.06) mu mol\/g fw (mean (SD)) in water-soluble and 0.32 (0.04) in water-insoluble extracts of cauliflower which was 62-68% higher than in white cabbage. Curly kale contained 6.4 and 6.1 mu mol\/g fw TAC in water-soluble and water-insoluble extracts. TAC did not differ between plant parts. Progoitrin and 4-hydroxyglucobrassicin were correlated to water-soluble TAC in white cabbage, probably reflecting a variation in other compounds. Cauliflower contained less glucose, fructose and sorbitol but more sucrose than white cabbage. Curly kale had lower contents of glucose (similar to 2 times), fructose (similar to 4-S times) and sucrose (20 and 36 times, respectively) than cauliflower and white cabbage, while inositol was only found in curly kale. Storage of white cabbage reduced the amount of sorbitol and sucrose. The study shows that cultivar, plant part and storage affect the content of bioactive compounds in Brassica vegetables. The variation between years, as in cauliflower, is due to environmental factors. Since the cultivar ranking order was rather stable for several components the data could provide a basis for the selection of cultivars optimised for valuable health components for fresh market consumption. (c) 2005 Society of Chemical Industry.<br \/>\nAuthor Keywords: Brassica oleracea; cauliflower; white cabbage; curly kale; glucosinolates; carotenoids; hydroxycinnamic acids; total antioxidant capacity; FRAP; low-molecular-weight carbohydrates; cultivars; storage; plant part<br \/>\nKeyWords Plus: GAS-CHROMATOGRAPHY; COMMON VEGETABLES; PLANTS; METABOLISM; FRUCTOSE; OLERACEA; CANCER; CHAIN; FOOD; ABSORPTION <\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-49215","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Addresses: Akesson B (reprint author), Lund Univ, Inst Technol, Box 124, SE-22100 Lund Sweden\r\nLund Univ, Inst Technol, SE-22100 Lund Sweden\r\nSvalof Weibull AB, SE-26881 Svalov Sweden\r\nLund Univ, Lund Inst Technol, SE-22100 Lund Sweden\r\nSwedish Univ Agr Sci, Dept Crop Sci, SE-23053 Alnarp Sweden\r\nUniv Lund Hosp, Dept Clin Nutr, SE-22185 Lund Sweden \r\nE-mail Addresses: bjorn.akesson@kc.lu.se","annee":"2006","mois":"3","numero":"86:4","page":"528-538","auteurs":[{"ID":23391,"post_author":"0","post_date":"2018-12-03 21:25:16","post_date_gmt":"2018-12-03 20:25:16","post_content":"","post_title":"Jan Nilsson","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"jan-nilsson","to_ping":"","pinged":"","post_modified":"2018-12-03 21:25:16","post_modified_gmt":"2018-12-03 20:25:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/jan-nilsson\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":49211,"post_author":"0","post_date":"2018-12-04 04:52:52","post_date_gmt":"2018-12-04 03:52:52","post_content":"","post_title":"Engqvist","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"engqvist","to_ping":"","pinged":"","post_modified":"2018-12-04 04:52:52","post_modified_gmt":"2018-12-04 03:52:52","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/engqvist\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":49212,"post_author":"0","post_date":"2018-12-04 04:52:52","post_date_gmt":"2018-12-04 03:52:52","post_content":"","post_title":"Nyman","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"nyman","to_ping":"","pinged":"","post_modified":"2018-12-04 04:52:52","post_modified_gmt":"2018-12-04 03:52:52","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/nyman\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":49213,"post_author":"0","post_date":"2018-12-04 04:52:53","post_date_gmt":"2018-12-04 03:52:53","post_content":"","post_title":"Olsson","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"olsson-2","to_ping":"","pinged":"","post_modified":"2018-12-04 04:52:53","post_modified_gmt":"2018-12-04 03:52:53","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/olsson-2\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":49214,"post_author":"0","post_date":"2018-12-04 04:52:54","post_date_gmt":"2018-12-04 03:52:54","post_content":"","post_title":"Ekvall","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"ekvall","to_ping":"","pinged":"","post_modified":"2018-12-04 04:52:54","post_modified_gmt":"2018-12-04 03:52:54","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/ekvall\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46666,"post_author":"0","post_date":"2018-12-04 04:04:45","post_date_gmt":"2018-12-04 03:04:45","post_content":"","post_title":"Olsson","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"olsson","to_ping":"","pinged":"","post_modified":"2018-12-04 04:04:45","post_modified_gmt":"2018-12-04 03:04:45","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/olsson\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":21514,"post_author":"0","post_date":"2018-12-03 20:50:51","post_date_gmt":"2018-12-03 19:50:51","post_content":"","post_title":"Bj\u00f6rn Akesson","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bjorn-akesson","to_ping":"","pinged":"","post_modified":"2018-12-03 20:50:51","post_modified_gmt":"2018-12-03 19:50:51","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/bjorn-akesson\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":1390,"post_author":"0","post_date":"2018-12-03 15:58:56","post_date_gmt":"2018-12-03 14:58:56","post_content":"","post_title":"Journal of the 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