Showing 1-30 of 197 results for "60010"
Ayokunle O Ademosun et al.
Journal of basic and clinical physiology and pharmacology, 26(5), 471-477 (2015-06-02)
Citrus peels are consumed in the form of infusions, candy or wine, based on their well-documented nutritional and medicinal properties. This study sought to investigate the effect of some citrus peels' [grapefruit (Citrus paradisii), orange (Citrus sinensis) and shaddock (Citrus...
Radka Václavíková et al.
Bioorganic & medicinal chemistry, 16(4), 2034-2042 (2007-11-21)
This study investigated the effect of naturally occurring flavonoids and synthetic aurone derivatives on the formation of cardiotoxic doxorubicinol and transport of doxorubicin in breast cancer cells. Quercetin significantly inhibited the formation of doxorubicinol. Quercetin and aurones did not significantly...
Nurcan Değirmencioğlu et al.
Food chemistry, 194, 587-594 (2015-10-17)
In this study, the changes in phenolic composition, total phenolic content, and antioxidant capacity of tarhanas supplemented with oat flour (OF) at the levels of 20-100% (w/w) after three drying treatments (sun-, oven-, and microwave drying) were investigated. A total...
Markus Trunzer et al.
Journal of medicinal chemistry, 52(2), 329-335 (2008-12-26)
Metabolic stability is a key property to enable drugs to reach therapeutic concentrations. Microsomal clearance assays are used to dial out labile compounds in early discovery phases. However, because they do not provide any information on soft spots, the rational...
Germán Günther et al.
PloS one, 10(6), e0129749-e0129749 (2015-06-23)
In this work, the relationship between the molecular structure of three flavonoids (kaempferol, quercetin and morin), their relative location in microheterogeneous media (liposomes and erythrocyte membranes) and their reactivity against singlet oxygen was studied. The changes observed in membrane fluidity...
Wioleta Jesionek et al.
Journal of AOAC International, 98(4), 1013-1020 (2015-08-14)
Fast high-throughput TLC-direct bioautography (DB) is an effect-directed analysis method that enables searching for biologically active (e.g., antimicrobial) substances in complex mixtures like plant extracts. The principle of the method is that separation and detection of biological properties of given...
Basavaraju G Sanganahalli et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 33(7), 1115-1126 (2013-04-18)
Local calcium (Ca(2+)) changes regulate central nervous system metabolism and communication integrated by subcellular processes including mitochondrial Ca(2+) uptake. Mitochondria take up Ca(2+) through the calcium uniporter (mCU) aided by cytoplasmic microdomains of high Ca(2+). Known only in vitro, the...
P Basabe et al.
European journal of medicinal chemistry, 45(9), 4258-4269 (2010-07-14)
Several prenylflavonoids have been synthesised and tested against human tumour cell lines. The prenyl unit has been geranyl or a labdane diterpene. These labdane-flavonoids have been synthesised for the first time. The antitumour activity increase with the prenylation at C-8...
Elías Atala et al.
Food chemistry, 234, 479-485 (2017-05-30)
Oxidation of a phenolic group in quercetin is assumed to compromise its antioxidant properties. To address this assumption, the ROS-scavenging, Folin-Ciocalteau- and Fe-reducing capacities of quercetin and thirteen structurally related flavonoids were assessed and compared with those of mixtures of...
Naiani Ferreira Marques et al.
Neurochemical research, 40(6), 1197-1210 (2015-04-24)
Oxidative stress has been implicated in several pathologies including neurological disorders. Centella asiatica is a popular medicinal plant which has long been used to treat neurological disturbances in Ayurvedic medicine. In the present study, we quantified of compounds by high...
Khalid S Al-Numair et al.
Redox report : communications in free radical research, 20(5), 198-209 (2014-12-17)
The aim of the present study was to evaluate the protective effect of kaempferol against oxidative stress in streptozotocin (STZ)-induced diabetic rats. Diabetes was induced in male, adult albino rats of the Wistar strain, by intraperitoneal administration of STZ (40...
Hisashi Matsuda et al.
Bioorganic & medicinal chemistry, 17(16), 6048-6053 (2009-07-21)
The 80% aqueous acetone extract from the rhizomes of Alpinia officinarum, a Chinese medicinal herb, were found to inhibit melanogenesis in theophylline-stimulated murine B16 melanoma 4A5 cells. Among the constituents isolated, four diarylheptanoids [5-hydroxy-1,7-diphenyl-3-heptanone, 7-(4('')-hydroxy-3('')-methoxyphenyl)-1-phenylhept-4-en-3-one, 5-hydroxy-7-(4('')-hydroxy-3('')-methoxyphenyl)-1-phenyl-3-heptanone, and 3,5-dihydroxy-1,7-diphenylheptane] and two...
Sheldon Holder et al.
Bioorganic & medicinal chemistry, 15(19), 6463-6473 (2007-07-20)
The PIM-1 protein, the product of the pim-1 oncogene, is a serine/threonine kinase. Dysregulation of the PIM-1 kinase has been implicated in the development of human malignancies including lymphomas, leukemias, and prostate cancer. Comparative molecular field analysis (CoMFA) is a...
Zhonghua Liu et al.
Electrophoresis, 36(17), 2002-2016 (2015-06-04)
Fuzhuan brick tea has received increasing attention in recent years owing to its benefits for nonalcoholic fatty liver disease (NAFLD) and associated metabolic syndrome. For exploring the ameliorative mechanism, the liver proteomes from three groups of rats fed either a...
L M Berger et al.
Journal of dairy science, 98(8), 5688-5698 (2015-06-22)
The aim of the present study was to investigate the ruminal degradation of the flavonol quercetin and to determine its potential antimicrobial effects on ruminal fermentation in cows. Ruminal degradation of quercetin (0 or 100μmol/L, respectively) as well as its...
Constance Lay Lay Saw et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 72, 303-311 (2014-08-12)
Quercetin, kaempferol, and pterostilbene are abundant in berries. The anti-oxidative properties of these constituents may contribute to cancer chemoprevention. However, their precise mechanisms of action and their combinatorial effects are not completely understood. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) regulates...
Kee Dong Yoon et al.
Journal of natural products, 70(12), 2029-2032 (2007-11-13)
Three new flavonoid glycosides ( 1- 3), 11-hydroxyhainanolidol ( 4), and a new dibenzylbutyrolactone lignan glycoside ( 5) were isolated from the aerial parts of Cephalotaxus koreana Nakai, along with 19 known flavonoids. The structures of the new compounds were...
Anna Vallverdú-Queralt et al.
Food science and technology international = Ciencia y tecnologia de los alimentos internacional, 19(4), 377-385 (2013-06-05)
Light gazpachos in comparison with conventional alternatives are interesting because of their low percentage of fat and high content of bioactive compounds that are beneficial for human health. An hybrid quadrupole time-of-flight mass spectrometer was used to identify those metabolites...
Elena Lo Piparo et al.
Journal of medicinal chemistry, 51(12), 3555-3561 (2008-05-30)
In this study we investigated the structural requirements for inhibition of human salivary alpha-amylase by flavonoids. Four flavonols and three flavones, out of the 19 flavonoids tested, exhibited IC50 values less than 100 microM against human salivary alpha-amylase activity. Structure-activity...
Jeannine Gruse et al.
The Journal of nutrition, 145(11), 2486-2495 (2015-09-25)
Inadequate colostrum supply results in insufficient intake of macronutrients and bioactive factors, thereby impairing gastrointestinal development and the maturation of glucose metabolism in neonatal calves. The flavonoid quercetin has been shown to have health-promoting properties, including effects in diabetic animals....
Burcu Bekdeşer et al.
Journal of agricultural and food chemistry, 62(46), 11109-11115 (2014-11-05)
Hypochlorous acid (HOCl) is an important reactive oxygen species (ROS) and non-radical and is taking part in physiological processes concerned with the defense of the organism, but there has been limited information regarding its scavenging by polyphenols. This study was...
Haixia Lin et al.
Toxicological sciences : an official journal of the Society of Toxicology, 139(2), 338-349 (2014-03-07)
Ginkgo biloba has been used for many thousand years as a traditional herbal remedy and its extract has been consumed for many decades as a dietary supplement. Ginkgo biloba leaf extract is a complex mixture with many constituents, including flavonol...
Vesna Rastija et al.
European journal of medicinal chemistry, 44(1), 400-408 (2008-04-12)
Quantitative structure activity relationships (QSAR) were obtained describing the antioxidant activity of the main pharmacologically active polyphenols of wine, using molecular properties and descriptors derived from the 2D and 3D representations of molecules. The best models for the prediction of...
Aina Ramsay et al.
Journal of agricultural and food chemistry, 63(43), 9471-9479 (2015-10-21)
Little information exists on the effects of ensiling on condensed tannins or proanthocyanidins. The acetone-butanol-HCl assay is suitable for measuring proanthocyanidin contents in a wide range of samples, silages included, but provides limited information on proanthocyanidin composition, which is of...
Sadaf Naeem et al.
Bioorganic & medicinal chemistry, 20(3), 1251-1258 (2012-01-21)
Data on phytochemical constituents of plants commonly used in traditional Indonesian medicine have been compiled as a computer database. This database (the Indonesian Herbal constituents database, IHD) currently contains details on ∼1,000 compounds found in 33 different plants. For each...
Nam Hee Yoo et al.
Journal of natural products, 71(4), 713-715 (2008-02-27)
A novel 2,3-dioxygenated flavanone, erigeroflavanone ( 1), as well as eight known flavonoids and two known gamma-pyranone derivatives, were isolated from an ethyl acetate-soluble extract of the flowers of Erigeron annuus. The structure of compound 1 was elucidated by interpretation...
Rafidah Lani et al.
Scientific reports, 5, 11421-11421 (2015-06-17)
The mosquito-borne chikungunya virus (CHIKV) causes chikungunya fever, with clinical presentations such as severe back and small joint pain, and debilitating arthritis associated with crippling pains that persist for weeks and even years. Although there are several studies to evaluate...
Eszter Riethmüller et al.
Journal of pharmaceutical and biomedical analysis, 107, 159-167 (2015-01-17)
Corylus maxima Mill. (Betulaceae) leaves have been used in traditional medicine both internally and externally, nevertheless phytochemical exploration of the plant remains incomplete. In this study, the in vitro antioxidant activity and polyphenolic composition of the ethyl acetate and methanolic...
Ryoko Takasawa et al.
Bioorganic & medicinal chemistry, 16(7), 3969-3975 (2008-02-09)
Glyoxalase I (GLO I) is the rate-limiting enzyme for detoxification of methylglyoxal (MG), a side product of glycolysis, which is able to induce apoptosis. Since GLO I is known to be highly expressed in the most tumor cells and little...
Hsin-Lun Huang et al.
Journal of medicinal food, 18(6), 663-676 (2015-02-05)
Intestinal microflora and inflammation are associated with the risk of inflammatory bowel diseases. Noni (Morinda citrifolia L.) has various bioactivities, but its effect on colon health remains unknown. This study focused on the effects of fermented noni fruit extracts on...

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