{"id":45423,"date":"2007-01-01T00:00:00","date_gmt":"2018-12-04T02:41:30","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/effects-of-high-intensity-pulsed-electric-field-processing\/"},"modified":"2018-12-04T03:41:30","modified_gmt":"2018-12-04T02:41:30","slug":"effects-of-high-intensity-pulsed-electric-field-processing","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/effects-of-high-intensity-pulsed-electric-field-processing\/","title":{"rendered":"Effects of high intensity pulsed electric field processing conditions on vitamin C and antioxidant capacity of orange juice and gazpacho, a cold vegetable soup"},"content":{"rendered":"<p style=\"text-align: justify\">Orange juice and gazpacho, a cold vegetable soup, were submitted to high intensity pulsed electric field (HIPEF). The effects of electric field strenght, treatment time, pulse frequency, width and polarity, as process parameters, on vitamine C retention and antioxidant capacity of both products were evaluated and compared to those in a heat pasteurization. Vitamin C was determined by HPLC and antioxidant capacity through the inhibition of the DPPH&deg; (1,1-diphenyl-2-picrylhydrazyl) radical. Orange juice and gazpacho retained a 87.5-98.2% and 84.3-97.1% of vitamin C, respectively, after HIPEF treatments. Pulses applied in bipolar mode, as well as lower electric field strength, treatment time, pulse frequency and width, led to higher levels of vitamin C retention (p&lt;0.05). HIPEF-treated orange juice and gazpacho always showed a vitamin C retention higher than that of the heat-pasteurized products. There were no differences (p&lt;0.05) in antioxidant capacity between HIPEF-treated and untreated products, whereas heat-treated foods showed lower values of antioxidant capacity.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-45423","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Food Technology, UTPV-CeRTA, Universitat de Lleida, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain","annee":"2007","mois":"0","numero":"102:1","page":"201-209","auteurs":[{"ID":45421,"post_author":"0","post_date":"2018-12-04 03:41:29","post_date_gmt":"2018-12-04 02:41:29","post_content":"","post_title":"Pedro Elez-martinez","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"pedro-elez-martinez","to_ping":"","pinged":"","post_modified":"2018-12-04 03:41:29","post_modified_gmt":"2018-12-04 02:41:29","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/pedro-elez-martinez\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":45422,"post_author":"0","post_date":"2018-12-04 03:41:30","post_date_gmt":"2018-12-04 02:41:30","post_content":"","post_title":"Olga Martin-belloso","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"olga-martin-belloso","to_ping":"","pinged":"","post_modified":"2018-12-04 03:41:30","post_modified_gmt":"2018-12-04 02:41:30","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/olga-martin-belloso\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":2399,"post_author":"0","post_date":"2018-12-03 16:55:16","post_date_gmt":"2018-12-03 15:55:16","post_content":"","post_title":"Food chemistry","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"food-chemistry","to_ping":"","pinged":"","post_modified":"2018-12-03 16:55:16","post_modified_gmt":"2018-12-03 15:55:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/food-chemistry\/","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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