{"id":62056,"date":"2013-10-01T00:00:00","date_gmt":"2018-12-04T08:07:45","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/phytochemicals-in-fruits-of-hawaiian-wild-cranberry-relatives\/"},"modified":"2018-12-04T09:07:45","modified_gmt":"2018-12-04T08:07:45","slug":"phytochemicals-in-fruits-of-hawaiian-wild-cranberry-relatives","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/phytochemicals-in-fruits-of-hawaiian-wild-cranberry-relatives\/","title":{"rendered":"Phytochemicals in Fruits of Hawaiian Wild Cranberry Relatives."},"content":{"rendered":"

BACKGROUND<\/strong>
\nCranberries (Vaccinium macrocarpon Ait.) contain high levels of phytochemicals such as proanthocyanidins (PAC). These polymeric-condensations of flavan-3-ol monomers are associated with health benefits. Our objective was to evaluate phytochemicals in fruit from Hawaiian cranberry relatives, V. reticulatum Sm. and V. calycinum Sm. Normal-phase HPLC coupled with fluorescence and ESI-MS detected PAC; colorimetric DMAC assayed total PAC. Spectrophotometric tests and reverse-phase HPLC coupled to photodiode array and refractive index detectors evaluated phenolics, sugars, and organic acids. Antioxidant capacity was determined by ORAC and FRAP.<\/p>\n

RESULTS<\/strong>
\nAntioxidant capacities of Hawaiian berries were high. The FRAP measurement for V. calycinum was 454.7 ± 90.2 µM Trolox equivalents\/Kg for pressed fruit. Hawaiian berries had lower peonidin, quinic and citric acids amounts and invert (≈1) glucose\/fructose ratio compared with cranberry. Both Hawaiian Vaccinium species were good PAC sources; they contained phenolics and PAC monomers, A and B-type trimers, tetramers, and larger polymers. Vaccinium reticulatum and V. calycinum showed comparable or higher PAC levels than in cranberry. Cranberries had higher percentage of A-type dimers than did V. reticulatum. A and B-type dimers were not differentiated in V. calycinum. The total PACs (as measured by DMAC) for V. calycinum (24.3 ± 0.10 mg catechin equiv\/Kg) were about twice that in cranberry.<\/p>\n

CONCLUSIONS<\/strong>
\nBerries of V. reticulatum and V. calycinum could serve as a rich dietary source of PAC's, comparable to or greater than cranberries. These finding suggest that Hawaiian Vaccinium berries could be a functional food. Additional examination of the phytochemicals in other wild Vaccinium species is warranted.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-62056","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"US Department of Agriculture, ARS, National Clonal Germplasm Repository, 33447 Peoria Road, Corvallis, Oregon, 97333, USA.","annee":"2013","mois":"10","numero":"","page":"","auteurs":[{"ID":62051,"post_author":"0","post_date":"2018-12-04 09:07:42","post_date_gmt":"2018-12-04 08:07:42","post_content":"","post_title":"Kim Hummer","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"kim-hummer","to_ping":"","pinged":"","post_modified":"2018-12-04 09:07:42","post_modified_gmt":"2018-12-04 08:07:42","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/kim-hummer\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":62052,"post_author":"0","post_date":"2018-12-04 09:07:42","post_date_gmt":"2018-12-04 08:07:42","post_content":"","post_title":"Robert Durst","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"robert-durst","to_ping":"","pinged":"","post_modified":"2018-12-04 09:07:42","post_modified_gmt":"2018-12-04 08:07:42","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/robert-durst\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":62053,"post_author":"0","post_date":"2018-12-04 09:07:43","post_date_gmt":"2018-12-04 08:07:43","post_content":"","post_title":"Francis Zee","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"francis-zee","to_ping":"","pinged":"","post_modified":"2018-12-04 09:07:43","post_modified_gmt":"2018-12-04 08:07:43","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/francis-zee\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":62054,"post_author":"0","post_date":"2018-12-04 09:07:44","post_date_gmt":"2018-12-04 08:07:44","post_content":"","post_title":"Allison Atnip","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"allison-atnip","to_ping":"","pinged":"","post_modified":"2018-12-04 09:07:44","post_modified_gmt":"2018-12-04 08:07:44","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/allison-atnip\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":62055,"post_author":"0","post_date":"2018-12-04 09:07:44","post_date_gmt":"2018-12-04 08:07:44","post_content":"","post_title":"M Monica Giusti","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"m-monica-giusti","to_ping":"","pinged":"","post_modified":"2018-12-04 09:07:44","post_modified_gmt":"2018-12-04 08:07:44","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/m-monica-giusti\/","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 science of food and agriculture","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"journal-of-the-science-of-food-and-agriculture","to_ping":"","pinged":"","post_modified":"2018-12-03 15:58:56","post_modified_gmt":"2018-12-03 14:58:56","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/journal-of-the-science-of-food-and-agriculture\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":1391,"post_author":"0","post_date":"2018-12-03 15:58:56","post_date_gmt":"2018-12-03 14:58:56","post_content":"","post_title":"J Sci Food Agric","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"j-sci-food-agric","to_ping":"","pinged":"","post_modified":"2018-12-03 15:58:56","post_modified_gmt":"2018-12-03 14:58:56","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/j-sci-food-agric\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"\nPhytochemicals in Fruits of Hawaiian Wild Cranberry Relatives. - 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