Academic literature on the topic 'Pentamethoxyflavone'

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Journal articles on the topic "Pentamethoxyflavone"

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Sookkhee, Siriwoot, Choompone Sakonwasun, Pitchaya Mungkornasawakul, Phadungkiat Khamnoi, Nitwara Wikan, and Wutigri Nimlamool. "Synergistic Effects of Some Methoxyflavones Extracted from Rhizome of Kaempferia parviflora Combined with Gentamicin against Carbapenem-Resistant Strains of Klebsiella pneumoniae, Pseudomonas aeruginosa, and Acinetobacter baumannii." Plants 11, no. 22 (2022): 3128. http://dx.doi.org/10.3390/plants11223128.

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The present study aimed to investigate the antibacterial activity of ethanolic Kaempferia parviflora extracts and the combined effects of the plant’s specific compounds with gentamicin against clinical strains of carbapenem-resistant Klebsiella pneumoniae, Pseudomonas aeruginosa, and Acinetobacter baumannii. The minimal inhibitory concentrations (MIC) of gentamicin and Kaempferia parviflora extracts against the tested bacterial strains were determined by using broth microdilution. The combined effects of Kaempferia parviflora extract and gentamicin were investigated by using a checkerboard ass
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Nakata, Asami, Yuka Koike, Hirofumi Matsui, Tsutomu Shimada, Masaki Aburada, and Jinwei Yang. "Potent SIRT1 Enzyme-stimulating and Anti-glycation Activities of Polymethoxyflavonoids from Kaempferia parviflora." Natural Product Communications 9, no. 9 (2014): 1934578X1400900. http://dx.doi.org/10.1177/1934578x1400900918.

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The SIRT1 enzyme-stimulating and anti-glycation activities of Kaempferia parviflora extract and its main polymethoxyflavonoids were evaluated in vitro. K. parviflora extract elevated SIRT1 catalytic activity by eight- and 17-fold at 20 μg/mL and 100 μg/mL, respectively, compared with vehicle only. Two major polymethoxyflavonoids, 3,5,7,3′,4′-pentamethoxyflavone (4) and 5,7,4′-trimethoxyflavone (5), were isolated from this extract and are four- and fivefold more potent than resveratrol, hitherto the strongest known natural SIRT1 activator. In addition, the anti-glycation activity of K. parviflo
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Ortega, Joseph T., María Luisa Serrano, Alírica I. Suárez, Jani Baptista, Flor H. Pujol, and Héctor R. Rangel. "Methoxyflavones from Marcetia taxifolia as HIV-1 Reverse Transcriptase Inhibitors." Natural Product Communications 12, no. 11 (2017): 1934578X1701201. http://dx.doi.org/10.1177/1934578x1701201104.

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Methoxyflavones are flavonoid widely distributed in plants and has been reported as potent antitumor agents and some of them have shown activity against HIV-1. In this work, two methoxyflavones isolated from Marcetia taxifolia were evaluated in vitro and in silico as HIV-1 inhibitors. Pentamethoxyflavone (5,3’-dihydroxy-3,6,7,8,4’-pentamethoxyflavone) (PMF) and Hexamethoxyflavone (5-Hydroxy-3,6,7,8,3’,4’-hexamethoxyflavone) (HMF) showed activity against HIV-1. The EC50 for HMF was 0.05 μM and 0.04 μM for PMF. The methoxyflavones also inhibited HIV-1 reverse transcriptase (RT), with an IC50 of
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Dachriyanus, Rizal Fahmi, Melvyn V. Sargent, Brian W. Skelton, and Allan H. White. "5-Hydroxy-3,3′,4′,5′,7-pentamethoxyflavone (combretol)." Acta Crystallographica Section E Structure Reports Online 60, no. 1 (2003): o86—o88. http://dx.doi.org/10.1107/s1600536803027880.

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Ahmad, Viqar Uddin, and Nargis Ismail. "5-Hydroxy-3,6,7,2′,5′-pentamethoxyflavone from Inula grantioides." Phytochemistry 30, no. 3 (1991): 1040–41. http://dx.doi.org/10.1016/0031-9422(91)85309-n.

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Zhang, Yuqin, Guohong Yan, Chengtao Sun, Huang Li, Yanhui Fu, and Wei Xu. "Apoptosis Effects of Dihydrokaempferol Isolated from Bauhinia championii on Synoviocytes." Evidence-Based Complementary and Alternative Medicine 2018 (December 2, 2018): 1–10. http://dx.doi.org/10.1155/2018/9806160.

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Bauhinia championii (Benth.) Benth. is a traditional medicinal plant used in China to treat rheumatoid arthritis (RA), especially in She ethnic minority group. This study focused on the active constituents from the rattan of B. championii (Benth.) Benth., which possess potential apoptosis effects. A conventional phytochemical separation method for the isolation of compounds from the ethyl acetate extract of B. championii was developed. The procedure involved extraction, liquid–liquid partitioning with ethyl acetate, and subsequent compound purification, respectively. Additionally, cell viabili
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Budzianowski, Jaromir, and Eckhard Wollenweber. "Rare Flavones from the Glandular Leaf Exudate of the Oxlip, Primula Elatior L." Natural Product Communications 2, no. 3 (2007): 1934578X0700200. http://dx.doi.org/10.1177/1934578x0700200308.

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5,6,2′,3′,6′-Pentamethoxyflavone (1), together with 3′,5′-dihydroxy-4′-methoxyflavone (2), 2′-methoxyflavone, 3′-methoxyflavone, 3′,4′-dimethoxyflavone, 2′,5′-methoxyflavone, 3′-hydroxy-4′,5′-dimethoxyflavone, 3′,4′,5′-trimethoxyflavone, and 3′-hydroxy-4′,5′-methylenedioxyflavone were found in the leaf exudate of the oxlip, Primula elatior (Primulaceae). The structures of flavones 1 and 2 were substantiated by 2D NMR spectroscopy.
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Menelaou, Marios A., Hidelisa P. Henandez, Francisco A. Macías, et al. "Constituents of Calamintha ashei: Effects on Florida Sandhill Species." Natural Product Communications 5, no. 5 (2010): 1934578X1000500. http://dx.doi.org/10.1177/1934578x1000500505.

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Chemical constituents of the perennial shrub Calamintha ashei have been characterized as part of our investigation of the allelopathic properties of this plant. Besides the known monoterpenes, (+)-evodone, (-)-calaminthone and (+)-desacetylcalaminthone, fresh aerial parts of C. ashei provided six new menthofurans, two new germacrane sesquiterpenes, and the six, known flavonoids: 5-desmethoxynobiletin, 5-hydroxy-6,7,8,4′-tetramethoxyflavone, 5,4′-dihydroxy-6,7,8,3′-tetra-methoxyflavone, thymonin, 5,4′-dihydroxy-6,7-dimethoxyflavone and 6-hydroxy-7,3′-dimethoxyluteolin. The structures of the new
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Abboud, K. A., S. H. Simonsen, T. J. Mabry, and N. Fang. "Structure of a non-planar flavonol, 5,7,2'-trihydroxy-3,6,8,4',5'-pentamethoxyflavone." Acta Crystallographica Section C Crystal Structure Communications 45, no. 11 (1989): 1788–92. http://dx.doi.org/10.1107/s0108270189003355.

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García-Argáez, Aída N., Nadia M. González-Lugo, Hortensia Parra-Delgado, and Mariano Martínez-Vázquez. "Casimiroin, zapoterin, zapotin and 5,6,2′,3′,4′-pentamethoxyflavone from Casimiroa pubescens." Biochemical Systematics and Ecology 33, no. 4 (2005): 441–43. http://dx.doi.org/10.1016/j.bse.2004.11.004.

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Dissertations / Theses on the topic "Pentamethoxyflavone"

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Fong, Isabel Lim. "An investigation into colorectal cancer chemopreventive mechanisms of 3', 4', 5', 5, 7-pentamethoxyflavone (PMF)." Thesis, University of Leicester, 2012. http://hdl.handle.net/2381/10376.

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3',4',5',5,7-Pentamethoxyflavone (PMF) is a naturally occurring flavone found in the leaves of Murraya paniculata and the fruits of Neoraputia magnifica. PMF has been shown to possess potential promise as a colorectal cancer (CRC) chemopreventive agent as it significantly inhibited adenoma development in the ApCMinl+ mouse, a model of gastrointestinal cancer. The chemopreventive activity of PMF was superior to that of two closely related flavone analogues apigenin and tricin. The aim of the work described in this thesis was to elucidate the mechanisms by which PMF can interfere with carcinogen
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Chiu, Szu-ping, and 邱思萍. "Molecular mechanisms underlying the 5-hydroxy-6,7,8,3',4'-pentamethoxyflavone and Gardenin A- induced neuronal differentiation in PC12 cells." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/82792496288558981741.

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碩士<br>慈濟大學<br>分子生物暨人類遺傳學系碩士班<br>100<br>Neurodegenerative diseases such as Alzheimer’s disease (AD) are characterized by the progressive degeneration, dysfunction and loss of neuronal cells in the nerve system. Patients with neuronal dysfunction in the brain accompanied losses of cognition and learning memory. Recently, several evidences suggest that the neurotrophic action of dietary flavonoids, such as citrus flavonoids, may transverse the blood-brain-barrier (BBB) and exert beneficial effects on neurogenesis, neuronal differentiation, neuronal survival, and may prevent cognitive losses assoc
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Book chapters on the topic "Pentamethoxyflavone"

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"5-Hydroxy-6,7,8,2′,6′-pentamethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_341.

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