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  • 标题:IMPACT OF HONEY COLOR FROM JORDANIAN FLORA ON TOTAL PHENOLIC AND FLAVONOIDS CONTENTS AND ANTIOXIDANT ACTIVITY
  • 本地全文:下载
  • 作者:Maher M Al-Dabbas ; Heba A Otoom ; Tawfiq M Al-Antary
  • 期刊名称:Fresenius Environmental Bulletin
  • 印刷版ISSN:1018-4619
  • 出版年度:2019
  • 卷号:28
  • 期号:9
  • 页码:6898-6907
  • 语种:English
  • 出版社:PSP Publishing
  • 摘要:The total phenolics and flavonoids contents and antioxidant activities of twenty different floral types of locally produced honey were determined and correlated with their colors. Dark multifloral honey showed the highest total phenolics, flavonoids contents and reducing power activity (15.84 mg GAE/100g , 5.74 mg QE/100g and 574.5% vitamin C equivalent, respectively), while light multifloral honey was the lowest in total phenolics and flavonoids contents (3.77 mg GAE/100g and 1.52 mg QE/100g, respectively). The antioxidant activities evaluated by DPPH free radical test were the highest (IC50 = 68.7 mg/ml) in the multiflora honey ,while the lowest (IC50=302.6 mg/ml) was in the multiflora honey sample 1. Strong correlation was found between honey's color redness and reducing power activities (r = 0.88), total phenolic content (r = 0.62) and total flavonoids content (r = 0.86), while yellowness was positively correlated with total flavonoids contents (r = 0.67).
  • 关键词:Phenolics;Honey color;Flavonoids;DPPH
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