Results 321 to 330 of about 74,405 (378)

Flavonols, leuco-anthocyanins, cinnamic acids, and alkaloids in dried leaves of some Asiatic and Malesian Simaroubaceae

, 1966
H.P. Nooteboom
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Unravelling the consecutive glycosylation and methylation of flavonols in peach in response to UV-B irradiation.

Plant, Cell and Environment, 2022
Flavonol glycosides are bioactive compounds important for plant defence and human nutrition. Glycosylation and methylation play an important role in enriching the diversity of flavonols in response to the environment.
Linfeng Xie, Yan Guo, Chuanhong Ren, Yunlin Cao, Jiajia Li, Jing Lin, D. Grierson, Xiaoyong Zhao, Bo Zhang, Chongde Sun, Kun-song Chen, Xian Li   +11 more
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Photophysical Behavior of Plant Flavonols Galangin, Kaempferol, Quercetin, and Myricetin in Homogeneous Media and the DMPC Model Membrane: Unveiling the Influence of the B-Ring Hydroxylation of Flavonols.

Journal of Physical Chemistry B, 2022
Flavonols have been studied extensively because of their interesting biological activities and excited-state intramolecular proton transfer (ESIPT) behavior.
A. Sahu, A. Mishra
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Manganese and iron flavonolates as flavonol 2,4-dioxygenase mimics

Chemical Communications, 2007
Mononuclear 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, Baráth, Gábor, Pap, József, Speier, Gábor, Giorgi, Michel, Réglier, M.   +5 more
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Flavonols from Bauhinia malabarica

Journal of Natural Medicines, 2008
Bauhinia malabarica Roxb. has been used in Thai traditional medicine for wound healing, as a diuretic, to fight dysentery and as an emmenagogue. Seven flavonols, including 6,8-di-C-methylkaempferol 3-methyl ether, kaempferol, afzelin, quercetin, isoquercitrin, quercitrin, and hyperoside were isolated from the methanol extract of leaves.
Rawiwun, Kaewamatawong, Mariko, Kitajima, Noriyuki, Kogure, Hiromitsu, Takayama   +3 more
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Flavonols and cardiovascular disease

Molecular Aspects of Medicine, 2010
Flavonols, 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, 1950
The 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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Flavonols regulate root hair development by modulating accumulation of reactive oxygen species in the root epidermis

Development, 2020
Reactive oxygen species (ROS) are signaling molecules produced by tissue-specific respiratory burst oxidase homolog (RBOH) enzymes to drive development. In Arabidopsis thaliana, ROS produced by RBOHC was previously reported to drive root hair elongation.
Sheena R Gayomba, G. Muday
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