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Yibin Wei et al.
Biological trace element research, 161(2), 223-230 (2014-08-16)
Flavonoids have attracted increased attention due to their broad bioactivities related to health and diseases. Modulating metal homeostasis may play an important role in their bioactivities. Recent studies have suggested that dietary flavonoids may affect zinc homeostasis, uptake, and transport.
D Stagos et al.
Journal of physiology and pharmacology : an official journal of the Polish Physiological Society, 65(6), 843-852 (2015-01-03)
The aim of the present study was to investigate the antiangiogenic potential of a grape stem extract against tube formation by human endothelial cells (EA.hy926). The results showed that at low and non-cytotoxic concentrations (50 and 100 μg/ml) the grape
John T Barr et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(1), 34-41 (2014-10-19)
The mechanistic understanding of interactions between diet-derived substances and conventional medications in humans is nascent. Most investigations have examined cytochrome P450-mediated interactions. Interactions mediated by other phase I enzymes are understudied. Aldehyde oxidase (AO) is a phase I hydroxylase that
Andreia R H da Silva et al.
Journal of ethnopharmacology, 153(3), 908-916 (2014-04-08)
Scutia buxifolia is a native tree of Southern Brazil, Uruguay, and Argentina, which is popularly known as "coronilha" and it is used as a cardiotonic, antihypertensive and diuretic substance. The aim of this study was to assess the acute and
Yuanqi Lu et al.
Pakistan journal of pharmaceutical sciences, 27(3), 487-490 (2014-05-09)
A method was proposed to determine kaempferol and quercetin in Hippophae rhamnoides L medicinal preparation xindakang tablet by β-cyclodextrin modified micellar electrokinetic capillary chromatography. Under the optimized conditions: buffer solution of 20 mmol/L Na(2)B(4)O(7)-KH(2)PO(4) (pH 9.0)-20mmol/L SDS-6mmol/L β-CD-5%(v/v) MeCN, applied
Irwin R A Menezes et al.
Pharmaceutical biology, 53(2), 185-191 (2014-09-27)
Murraya paniculata (Linn) JACK (Rutaceae) is used in traditional medicine in the treatment of diabetes, inflammation, and microbial disorders. This study determined the polyphenol composition and antimicrobial and acute toxicological activity of the hydroethanolic extract of M. paniculata leaves (EEMp).
Xiao-Juan Han et al.
FEBS letters, 588(14), 2307-2314 (2014-05-27)
FNS I is a 2-oxoglutarate dependent dioxygenase (2-ODD) found mainly in species of the Apiaceae family. Here, an FNS I cDNA sequence was isolated from the liverwort Plagiochasma appendiculatum (Aytoniaceae) and characterized. The recombinant protein exhibited high FNS I activity
Hartmut Glaeser et al.
Naunyn-Schmiedeberg's archives of pharmacology, 387(9), 883-891 (2014-06-21)
Flavonoids such as quercetin and kaempferol mediate several health protective effects, e.g., anticancer effects. They are inhibitors of organic anion transporting polypeptides (OATP) and organic cation transporters (e.g., OCT2). However, little is known whether such transporters contribute to the cellular
Uroš Gašić et al.
Journal of AOAC International, 97(5), 1259-1267 (2015-04-24)
Composition of phenolic compounds and the sugar content were determined as the basis for characterization of lime honey from Serbia. Particular attention was given to differences in phytochemical profiles of ripe and unripe lime honey and lime tree nectar. Melissopalynological
Shi Dong Wang et al.
Journal of digestive diseases, 13(10), 525-535 (2012-09-20)
To investigate the potential effect of Ginkgo biloba extract (GBE) on the prevention and treatment of nonalcoholic fatty liver disease (NAFLD). Male Wistar rats were divided into 4 groups (the control group, GBE group, high-fat diet [HFD] group and HFD + GBE
Chengying Ma et al.
Analytica chimica acta, 795, 15-24 (2013-09-04)
The O-methylation of active flavonoids can enhance their antiallergic, anticancerous, and cardioprotective effects depending on the methylation position. Thus, it is biologically and pharmacologically important to differentiate methylated flavonoid regioisomers. In this study, we examined the regioisomers of methylated kaempferol
Ui-Hyun Park et al.
Biological & pharmaceutical bulletin, 35(9), 1525-1533 (2012-09-15)
Rhizoma Polygonati falcatum (RPF) has been used as a traditional herbal medicine in Asia, because of its anti-hyperglycemic, anti-triglycemic, and anti-tumor activity. In this study, we determined the anti-adipogenic potential of RPF extract and its component kaempferol in 3T3-L1 adipocytes
George Kadakasseril Varghese et al.
Pharmaceutical biology, 51(3), 345-349 (2012-11-10)
Cassia alata Linn. [syn. Senna alata (L.) Roxb.] (Caesalpiniaceae) is used for treating various disease conditions including diabetes but its mechanism(s) of action and active principles remain to be elucidated. The antidiabetic principles were identified using an in vitro α-glucosidase
Garry Duthie et al.
Oxidative medicine and cellular longevity, 2012, 165127-165127 (2012-08-25)
Flavonoids are polyphenolic compounds with potential antioxidant activity via multiple reduction capacities. Oxidation of cellular lipids has been implicated in many diseases. Consequently, this study has assessed the ability of several dietary flavonoid aglycones to suppress lipid peroxidation of hepatic
Claudine Valérie Passo Tsamo et al.
Food chemistry, 167, 197-204 (2014-08-26)
The present study investigated the phenolic profiles of the pulp and peel of nine plantain cultivars and compared them to those of two dessert bananas of commercial interest (Grand Nain and Gros Michel), alongside a newly created hybrid, resistant to
Aarón de la Cerda-Carrasco et al.
Journal of the science of food and agriculture, 95(7), 1521-1527 (2014-08-02)
Phenolic compounds are widely distributed secondary metabolites in plants usually conferring them with unique taste, flavour and health-promoting properties. In fruits of Vitis vinifera L., phenolic composition is highly dependent on grape variety. Differential extraction of these compounds from grapes
Mohankumar Saraladevi Resmi et al.
FEBS letters, 589(3), 332-341 (2015-01-06)
Type III polyketide synthases (PKSs) catalyze the biosynthesis of various medicinally important secondary metabolites in plants, but their role in growth and stress response is unclear. Here, we overexpressed quinolone synthase (QNS) from bael in tobacco. QNS-overexpressing plants showed an
Mi Ja Chung et al.
International immunopharmacology, 25(2), 302-310 (2015-02-24)
The modification of natural flavonoid by glycosylation alters their physicochemical and pharmacokinetic properties, such as increased water solubility and stability, reduced toxicity, and sometimes enhanced or even new pharmacological activities. Kaempferol (KF), a plant flavonoid, and its glycosylated derivative, kaempferol-3-O-rhamnoside
Takuyu Hashiguchi et al.
Biochemical and biophysical research communications, 434(4), 829-835 (2013-04-25)
In plants, flavonoids have been shown to be subjected to conjugation modifications such as glycosylation, methylation, and sulfation. Among these modifications, sulfation is known as an important pathway in the regulation of the levels of endogenous compounds such as steroids.
Ting Wei et al.
Journal of biomedical science, 21, 87-87 (2014-09-04)
Lipid accumulation is the primary evidence of non-alcoholic fatty liver disease (NAFLD). Ginkgo biloba extract (GBE) and its flavonoid ingredients (quercetin, kaempferol, and isorhamnetin) could lessen the lipid accumulation associated with up-regulation of the rate-limiting enzyme, carnitine palmitoyltransferase 1A (CPT1A)
Yun Chao et al.
Chemical & pharmaceutical bulletin, 60(9), 1171-1175 (2012-09-15)
In this study, submicron emulsions have been employed as a carrier for the topical application of kaempferol. The effect of components of submicron emulsions on the physicochemical properties and permeation capability of drug were evaluated. In case of drug-loaded submicron
O Kenny et al.
Food chemistry, 161, 79-86 (2014-05-20)
Antimicrobial properties of ethanol and water extracts from eight Asteraceae species were investigated against three Gram positive (Staphylococcus aureus, MRSA and Bacillus cereus) and two Gram negative (Escherichia coli and Salmonella typhimurium) bacterial strains. Ethanol extracts from Centaurea scabiosa, Arctium
Avinash Kumar et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 82(3), 508-517 (2012-08-29)
A prototype formulation based on layer-by-layer (LbL) nano-matrix was developed to increase bioavailability of kaempferol with improved retention in bone marrow to achieve enhanced bone formation. The layer-by-layer nano-matrix was prepared by sequential adsorption of biocompatible polyelectrolytes over the preformed
Tuvshinjargal Gotovdorj et al.
Journal of Korean medical science, 29(9), 1188-1198 (2014-09-24)
2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) can induce drug transporter genes such as the ATP-binding cassette G member 2 (ABCG2), which contributes to multidrug resistance. We investigated the effect of TCDD pretreatment on drug transporters induction from cancer cells of various origins. Cell viabilities
Lois A Annab et al.
Differentiation; research in biological diversity, 84(4), 330-343 (2012-08-22)
The heterogeneous nature of stem cells is an important issue in both research and therapeutic use in terms of directing cell lineage differentiation pathways, as well as self-renewal properties. Using flow cytometry we have identified two distinct subpopulations by size
Partha Pratim Roy et al.
Bioorganic chemistry, 56, 1-7 (2014-06-03)
The objective of the present work was tantamount to explain the antiperoxidative potential and structural requirements of twenty-eight structurally diverse classes of antioxidants on docetaxel-induced lipid peroxidation. Both experimental and computational approaches were taken to the work. The experiments were
Laurian Vlase et al.
Molecules (Basel, Switzerland), 18(1), 114-127 (2013-01-25)
The aim of this work was to study the chemical composition of Allium obliquum L., A. senescens L. subsp. montanum (Fries) Holub, and A. schoenoprasum L. subsp. schoenoprasum. Sulphur-containing compounds analysis was performed by an LC-MS method, the identification and
Iulia Matei et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 96, 709-715 (2012-08-14)
The experimental induced circular dichroism (ICD) and absorption spectra of the achiral flavonoid kaempferol upon binding to human serum albumin (HSA) were correlated to electronic CD and UV-vis spectra theoretically predicted by time-dependent density functional theory (TDDFT). The neutral and
Xiao-Lan Lv et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 35(6), 917-919 (2012-12-15)
To study the chemical constituents of the roots of Vaccinium bracteatum. The constituents were separated and purified with chromatographic methods (including silica gel, Sephadex LH-20 and RP-18 column chromatography), and their structures were determined by spectroscopic methods (including MS, 1H-NMR
Claudio Inostroza-Blancheteau et al.
Plant physiology and biochemistry : PPB, 85, 85-95 (2014-11-15)
The effects of increased doses of UV-B radiation on anatomical, biochemical and molecular features of leaves of two highbush blueberry (Vaccinium corymbosum L. cv. Brigitta and Bluegold) genotypes were investigated. Plants were grown in a solid substrate and exposed to
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