The photostability of flavanones, flavonols and flavones and evolution of their antioxidant activity

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• 作者：Hind Chaaban^a ; ^{hind.chaaban@univ-lorraine.fr} ; Irina Ioannou^a ; ^{irina.ioannou@univ-loraine.fr} ; Cedric Paris^b ; ^{cedric.paris@univ-lorraine.fr} ; Cé ; line Charbonnel^a ; ^{celine.charbonnel@univ-lorraine.fr} ; Mohamed Ghoul^a ; ^{mohamed.ghoul@univ-lorraine.fr}
• 关键词：Photostability ; Oxidation ; Flavonoid ; Antioxidant activity
• 刊名：Journal of Photochemistry and Photobiology A: Chemistry
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：336
• 期：Complete
• 页码：131-139
• 全文大小：2110 K
• 卷排序：336

文摘

The flavonoid degradation kinetics are influenced by light intensity, oxygen amount and chemical structure. The presence of a 3OH group and a double bond C2-C3 decrease flavonoid stability. Flavanones are more stable during storage than flavonols and flavones. Antioxidant activity of rutin and mesquitol increases during a light exposure despite their total degradation. Different degradation pathways occur according to flavonoid structure.