{"id":55994,"date":"2001-11-01T00:00:00","date_gmt":"2018-12-04T06:09:06","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/antioxidant-activity-and-phenolic-compounds-in-selected-herbs\/"},"modified":"2018-12-04T07:09:06","modified_gmt":"2018-12-04T06:09:06","slug":"antioxidant-activity-and-phenolic-compounds-in-selected-herbs","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/antioxidant-activity-and-phenolic-compounds-in-selected-herbs\/","title":{"rendered":"Antioxidant activity and phenolic compounds in selected herbs"},"content":{"rendered":"<p style=\"text-align: justify\">The antioxidant capacities (oxygen radical absorbance capacity, ORAC) and total phenolic contents in extracts of 27 culinary herbs and 12 medicinal herbs were determined. The ORAC values and total phenolic contents for the medicinal herbs ranged from 1.88 to 22.30 &micro;mol of Trolox equivalents (TE)\/g of fresh weight and 0.23 to 2.85 mg of gallic acid equivalents (GAE)\/g of fresh weight, respectively. Origanum x majoricum, O. vulgare ssp. hirtum, and Poliomintha longiflora have higher ORAC and phenolic contents as compared to other culinary herbs. The ORAC values and total phenolic content for the culinary herbs ranged from 2.35 to 92.18 &micro;mol of TE\/g of fresh weight and 0.26 to 17.51 mg of GAE\/g of fresh weight, respectively. These also were much higher than values found in the medicinal herbs. The medicinal herbs with the highest ORAC values were Catharanthus roseus, Thymus vulgaris, Hypericum perforatum, and Artemisia annua. A linear relationship existed between ORAC values and total phenolic contents of the medicinal herbs (R = 0.919) and culinary herbs (R = 0.986). High-performance liquid chromatography (HPLC) coupled with diode-array detection was used to identify and quantify the phenolic compounds in selected herbs. Among the identified phenolic compounds, rosmarinic acid was the predominant phenolic compound in Salvia officinalis, Thymus vulgaris, Origanum x majoricum, and P. longiflora, whereas quercetin-3-O-rhamnosyl-(1 &#8211;&gt; 2)-rhamnosyl-(1 &#8211;&gt; 6)-glucoside and kaempferol-3-O-rhamnosyl-(1 &#8211;&gt; 2)-rhamnosyl-(1 &#8211;&gt; 6)-glucoside were predominant phenolic compounds in Ginkgo biloba leaves.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-55994","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"WANG SY,USDA ARS,BELTSVILLE AGR RES CTR FRUIT LAB; BELTSVILLE MD 20705, USA.wangs@ba.ars.usda.gov","annee":"2001","mois":"11","numero":"49:11","page":"5165-5170","auteurs":[{"ID":10972,"post_author":"0","post_date":"2018-12-03 18:29:39","post_date_gmt":"2018-12-03 17:29:39","post_content":"","post_title":"Weiran Zheng","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"weiran-zheng","to_ping":"","pinged":"","post_modified":"2018-12-03 18:29:39","post_modified_gmt":"2018-12-03 17:29:39","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/weiran-zheng\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":43769,"post_author":"0","post_date":"2018-12-04 03:12:12","post_date_gmt":"2018-12-04 02:12:12","post_content":"","post_title":"Wang","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"wang-6","to_ping":"","pinged":"","post_modified":"2018-12-04 03:12:12","post_modified_gmt":"2018-12-04 02:12:12","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/wang-6\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":1648,"post_author":"0","post_date":"2018-12-03 16:01:16","post_date_gmt":"2018-12-03 15:01:16","post_content":"","post_title":"Journal of agricultural and food chemistry","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"journal-of-agricultural-and-food-chemistry","to_ping":"","pinged":"","post_modified":"2018-12-03 16:01:16","post_modified_gmt":"2018-12-03 15:01:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/journal-of-agricultural-and-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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