{"id":24301,"date":"2015-10-01T00:00:00","date_gmt":"2018-12-03T20:50:41","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/structure-and-antioxidant-activities-of-proanthocyanidins\/"},"modified":"2018-12-03T21:50:41","modified_gmt":"2018-12-03T20:50:41","slug":"structure-and-antioxidant-activities-of-proanthocyanidins","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/structure-and-antioxidant-activities-of-proanthocyanidins\/","title":{"rendered":"Structure and Antioxidant Activities of Proanthocyanidins from Elephant Apple (Dillenia indica Linn.)."},"content":{"rendered":"<p style=\"text-align:justify\">Proanthocyanidins were isolated and purified from fruits of elephant apple (Dillenia indica Linn.) and their structural and bioactive properties were examined. Bate-Smith alcoholysis, FTIR, and (13) C NMR spectra revealed that elephant apple proanthocyanidins (EAPs) contained a dominant amount of B-type procyanidins (PC) with a minor amount of B-type prodelphinidins (PD) but no A-type interflavan linkage. (13) C NMR spectrum indicated that the cis isomer was dominant in EAPs. The electron spray ionization and matrix-assisted laser desorption ionization time of flight mass spectra of EAPs showed the clear ion peaks corresponding to B-type PC dimer to B-type PD with degree of polymerization of 11. EAPs had strong antioxidant activity, which was evidenced by the high oxygen radical scavenging capacity at 1.06 &Atilde;&mdash; 10(4) &Icirc;&frac14;mol TE\/g and ferric reducing antioxidant power of 2320 &Icirc;&frac14;mol Fe(II)\/g. The results suggest that EAPs could be extracted to be used as promising functional food materials.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-24301","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Food Science and Technology Programme, Dept. of Chemistry, National Univ. of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore.\r\nchmynghs@nus.edu.sg","annee":"2015","mois":"10","numero":"80:10","page":"C2191-9","auteurs":[{"ID":24296,"post_author":"0","post_date":"2018-12-03 21:50:35","post_date_gmt":"2018-12-03 20:50:35","post_content":"","post_title":"Caili Fu","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"caili-fu","to_ping":"","pinged":"","post_modified":"2018-12-03 21:50:35","post_modified_gmt":"2018-12-03 20:50:35","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/caili-fu\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":24297,"post_author":"0","post_date":"2018-12-03 21:50:36","post_date_gmt":"2018-12-03 20:50:36","post_content":"","post_title":"Dongying Yang","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"dongying-yang","to_ping":"","pinged":"","post_modified":"2018-12-03 21:50:36","post_modified_gmt":"2018-12-03 20:50:36","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/dongying-yang\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":24298,"post_author":"0","post_date":"2018-12-03 21:50:38","post_date_gmt":"2018-12-03 20:50:38","post_content":"","post_title":"Wan Yi Elaine Peh","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"wan-yi-elaine-peh","to_ping":"","pinged":"","post_modified":"2018-12-03 21:50:38","post_modified_gmt":"2018-12-03 20:50:38","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/wan-yi-elaine-peh\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":24299,"post_author":"0","post_date":"2018-12-03 21:50:39","post_date_gmt":"2018-12-03 20:50:39","post_content":"","post_title":"Shaojuan Lai","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"shaojuan-lai","to_ping":"","pinged":"","post_modified":"2018-12-03 21:50:39","post_modified_gmt":"2018-12-03 20:50:39","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/shaojuan-lai\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":9787,"post_author":"0","post_date":"2018-12-03 18:15:11","post_date_gmt":"2018-12-03 17:15:11","post_content":"","post_title":"Xiaoqi Feng","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"xiaoqi-feng","to_ping":"","pinged":"","post_modified":"2018-12-03 18:15:11","post_modified_gmt":"2018-12-03 17:15:11","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/xiaoqi-feng\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":24300,"post_author":"0","post_date":"2018-12-03 21:50:40","post_date_gmt":"2018-12-03 20:50:40","post_content":"","post_title":"Hongshun Yang","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"hongshun-yang","to_ping":"","pinged":"","post_modified":"2018-12-03 21:50:40","post_modified_gmt":"2018-12-03 20:50:40","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/hongshun-yang\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":8286,"post_author":"0","post_date":"2018-12-03 17:58:25","post_date_gmt":"2018-12-03 16:58:25","post_content":"","post_title":"Journal of food science","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"journal-of-food-science","to_ping":"","pinged":"","post_modified":"2018-12-03 17:58:25","post_modified_gmt":"2018-12-03 16:58:25","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/journal-of-food-science\/","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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