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Antioxidant activity of flavonols
International Journal of Quantum Chemistry, 2003 AbstractIn this work we use a single new electronic index to describe the antioxidant activity of the flavonols, a special class of flavonoids. We also try to predict theoretically the antioxidant activity of some yet nonisolated flavonols. © 2003 Wiley Periodicals, Inc.
Ghiotto, Renato Carlos Tonin +2 more
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Health Effects and Bioavailability of Dietary Flavonols
Free Radical Research, 1999 Flavonoids are polyphenolic compounds that are ubiquitously present in foods of plant origin. Flavonoids are categorised into flavonols, flavones, catechins, flavanones, anthocyanidins, and isoflavonoids.
Peter C. Hollman +2 more
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Targeting Cardiovascular Diseases by Flavonols: An Update
Nutrients, 2022 Flavonols are one of the most plentiful flavonoid subclasses found in natural products and are extensively used as dietary supplements. Numerous in vitro and in vivo studies have shown the cardioprotective properties of flavonols, especially quercetin ...
Dorota Szostak-Wegierek +1 more
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Allium Flavonols: Health Benefits, Molecular Targets, and Bioavailability
Antioxidants, 2020 Allium species are revered worldwide as vegetables, condiments, and spices as well as the therapeutic agents in traditional medicine. The bioactive compounds in alliums mainly include organosulfur compounds, polyphenols, dietary fibers, and saponins ...
Soo-Ki Kim, Damini Kothari
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Manganese and iron flavonolates as flavonol 2,4-dioxygenase mimics
Chemical Communications, 2007Mononuclear manganese(II) and iron(III) flavonolates were synthesized as synthetic enzyme-substrate complexes, and their oxygenation reactions as biomimetic functional models with relevance to flavonol 2,4-dioxygenases are briefly described.
Kaizer, József +5 more
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Flavonols and cardiovascular disease
Molecular Aspects of Medicine, 2010Flavonols, and specially quercetin, are widely distributed in plants and are present in considerable amounts in fruits and vegetables. In addition to their anti-oxidant effect, flavonols interfere with a large number of biochemical signaling pathways and, therefore, physiological and pathological processes.
Francisco, Perez-Vizcaino, Juan, Duarte
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Flavonols: Direct new synthesis of 6-hydroxy-flavonols
Proceedings of the Indian Academy of Sciences - Section A, 1950The synthesis of 6-hydroxy-flavonols has been effected by the Algar and Flynn oxidation of 2∶5-dihydroxy-, 2∶5∶2′-trihydroxy-, 2∶5∶4′-trihydroxy-chalkones and 6∶3′-dihydroxy- and 6∶4′-dimethoxy-flavanones by means of alkaline hydrogen peroxide. The flavonols obtained have been characterised by preparing their acetyl or methoxy derivatives.
G. N. Vyas, N. M. Shah
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1982
Most reports on the identification of known flavonoids in new plant sources as well as those on novel flavonoids naturally deal with the two most abundant classes, the flavones and flavonols. For this chapter we have listed all references to the occurrence of flavone and flavonol aglycones which have appeared from 1975 to 1980, and also include such ...
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Most reports on the identification of known flavonoids in new plant sources as well as those on novel flavonoids naturally deal with the two most abundant classes, the flavones and flavonols. For this chapter we have listed all references to the occurrence of flavone and flavonol aglycones which have appeared from 1975 to 1980, and also include such ...
openaire +1 more source