Academic literature on the topic ''-trimethoxyflavonc'

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Journal articles on the topic "'-trimethoxyflavonc"

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Goutam, Brahmachari, Gangopadhyay Arindam, K. Jash Shyamal, and Chandra Mondal Lalan. "5-Hydroxy-3, 7 ,4' -trimethoxyflavone from Cheilanthes farinosa Kaulf. (Cheilanthaceae)." Journal of Indian Chemical Society Vol. 85, May 2008 (2008): 546–47. https://doi.org/10.5281/zenodo.5816500.

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Natural Products Laboratory. Department of Chemistry, Visva-Bharati University, Santiniketan-731 235, West Bengal, India <em>E-mail :</em> brahmg2001@yahoo.co.in <em>Manuscript received 10 August 2007, revised 18 January 2008, accepted 21 January 2008</em> Cheilauthes fariuosa Kaulr. (Cheilauthaceae) has been established as new source of the natural flavonoid. 5- hydroxy-3, 7 ,4&#39; -trimethoxyflavone, characterized on the basis of spectral studies.
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Krishnaiah, M., R. Ravi Kumar, N. Jagadeesh Kumar, D. Gunasekar, and B. Jayaprakasam. "5-Hydroxy-7,8,2′-trimethoxyflavone." Acta Crystallographica Section E Structure Reports Online 61, no. 9 (2005): o2862—o2864. http://dx.doi.org/10.1107/s1600536805024827.

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Gajhede, M., R. Encarnacion, G. C. Leal, J. C. Patino, C. Christophersen, and P. H. Nielsen. "5-Hydroxy-3,7,4'-trimethoxyflavone." Acta Crystallographica Section C Crystal Structure Communications 45, no. 12 (1989): 2012–14. http://dx.doi.org/10.1107/s0108270189008449.

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Xiong, Hui-Ping, Zhi-Jun Wu, Fa-Tang Chen, and Wan-Sheng Chen. "5,7-Dihydroxy-3,6,8-trimethoxyflavone." Acta Crystallographica Section E Structure Reports Online 65, no. 12 (2009): o3276—o3277. http://dx.doi.org/10.1107/s1600536809050715.

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Lee, Sullim, Taesu Jang, Ki Hyun Kim, and Ki Sung Kang. "Improvement of Damage in Human Dermal Fibroblasts by 3,5,7-Trimethoxyflavone from Black Ginger (Kaempferia parviflora)." Antioxidants 11, no. 2 (2022): 425. http://dx.doi.org/10.3390/antiox11020425.

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Reactive oxygen species (ROS) are generated during intrinsic (chronological aging) and extrinsic (photoaging) skin aging. Therefore, antioxidants that inhibit ROS production may be involved in delaying skin aging. In this study, we investigated the potential effects of compounds isolated from black ginger, Kaempferia parviflora, a traditional medicinal plant, on normal human dermal fibroblasts in the context of inflammation and oxidative stress. The isolated compounds were structurally characterized as 5-hydroxy-7-methoxyflavone (1), 3,7-dimethoxy-5-hydroxyflavone (2), 5-hydroxy-3,7,3,4-tetram
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Ahmad, Muhammad Afiffikri, Nurulfazlina Edayah Rasol, Nurunajah Ab Ghani, Kamsirah Jim Shamsudin, and Monica Suleiman. "Flavonoids from the Borneo Plant Species: Eusideroxylon zwageri Teijsm. & Binn." Journal of Science and Mathematics Letters 11, no. 1 (2023): 39–42. http://dx.doi.org/10.37134/jsml.vol11.1.5.2023.

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A new flavonoid, 7,3ˊ-dihydroxy-3,5,4ˊ-trimethoxyflavone, along with two known flavonoids,7-hydroxy-5,4ˊ-dimethoxyflavone and 7-hydroxy-3,5,4ˊ-trimethoxyflavone were isolated from the leaves ethyl acetate extract of Eusideroxylon zwageri Teijsm. &amp; Binn. (Lauraceae). Structures were elucidated by spectroscopic techniques such as NMR, IR, and Orbitrap Mass Spectrometry.
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Wang, Min, Guo-Bo Xu, Jun Liu, et al. "Buxusoside, a Flavonoid Disaccharide from Buxus sinica." Natural Product Communications 12, no. 4 (2017): 1934578X1701200. http://dx.doi.org/10.1177/1934578x1701200416.

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A new flavonoid diglycoside named buxusoside (1), together with its aglycone chrysosplenol-D (2), as well as 4’, 5-dihydroxy-3,6,7-trimethoxyflavone (3) and 3’,4’,5-trihydroxy-3,6,7-trimethoxyflavone (4), were isolated from the 70% EtOH extract of the air-dried plant of Buxus sinica. Its structure was elucidated mainly by 1D and 2D NMR spectra.
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Ali, M. Shaiq, Shamsher Ali, Shazia Anjum, and Waqar Ahmad. "5-Hydroxy-4′,6,7-trimethoxyflavone." Acta Crystallographica Section E Structure Reports Online 62, no. 3 (2006): o1107—o1109. http://dx.doi.org/10.1107/s1600536806005617.

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Legoale, Percival B., Mahlori J. Mashimbye, and Teunis van Ree. "Antiinflammatory and Antioxidant Flavonoids from Helichrysum Kraussii and H. odoratissimum Flowers." Natural Product Communications 8, no. 10 (2013): 1934578X1300801. http://dx.doi.org/10.1177/1934578x1300801015.

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Organic extracts of the flowers of Helichrysum kraussii and H. odoratissimum contain several bioactive flavonoids, characterized by 1H NMR, 13C NMR and mass spectrometry. Four flavonoids, 5,6-dihydroxy-3,7,8-trimethoxyflavone, 5,7-dihydroxy-3-methoxyflavone, 3′,4′,5,7-tetrahydroxy-3-methoxyflavone and 3′,4′,3,5-tetrahydroxy-7-methoxyflavone, have antioxidant activity by the DPPH free radical assay, while 5,6-dihydroxy-3,7,8-trimethoxyflavone and 3′,4′,3,5-tetrahydroxy-7-methoxyflavone have promising anti-inflammatory activity.
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Phan, Minh Giang, Thi Viet Huong Do, and Quoc Binh Nguyen. "Methylated Flavonols from Amomum koenigii J.F.Gmel. and Their Antimicrobial and Antioxidant Activities." Biochemistry Research International 2020 (February 18, 2020): 1–6. http://dx.doi.org/10.1155/2020/4812312.

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Methylated flavonols form a special group with modulating biological activities in comparison with kaempferol and quercetin. The present study isolated ten compounds including two kaempferol methyl ethers: 5-hydroxy-3,7,4′-trimethoxyflavone (1), 3-hydroxy-5,7,4′-trimethoxyflavone (6); four quercetin methyl ethers: retusin (5-hydroxy-3,7,3′,4′-tetramethoxyflavone) (4), 3,5-dihydroxy-7,3′,4′-trimethoxyflavone (5), 3,4′-dihydroxy-5,7,3′-trimethoxyflavone (7), and 3,5,7,3′,4′-pentamethoxyflavone (9); β-sitosterol (2); 5-hydroxy-1-(4′-hydroxyphenyl)eicosan-3-one (3); p-hydroquinone (8); and vanilli
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Dissertations / Theses on the topic "'-trimethoxyflavonc"

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Hill, Cordella Uleta Fiona Kelly. "Identification of potential mechanisms of action of 3ʹ,4ʹ,5ʹ-trimethoxyflavonol in the inhibition of prostate cancer". Thesis, University of Leicester, 2015. http://hdl.handle.net/2381/33357.

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3ʹ,4ʹ,5ʹ-Trimethoxyflavonol (TMFol), a synthetic analogue of the naturally occurring flavonols quercetin and fisetin, has demonstrated putative anti-cancer activity in the prostate. The mechanisms of action that are engaged are largely unknown. Therefore, the work presented in this thesis investigated the mechanisms used by TMFol to compromise cell proliferation in prostate cell lines 22Rv1, PC-3 and PNT2. Furthermore, it investigated the effect of TMFol on prostate cancer development and progression in two separate transgenic models, PBCre4p53floxRbflox and PBCre4Ptenflox mice. Apoptosis and
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Saad, Shaban Eljali Ali. "Preclinical studies of 3',4',5'-trimethoxyflavonol, a putative agent for the chemoprevention and the management of prostate cancer." Thesis, University of Leicester, 2011. http://hdl.handle.net/2381/10067.

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Flavonoids have shown much promise for the chemoprevention of PCa but their poor bioavailability is thought to hinder their chemopreventive efficacy in vivo. However, methoxylation of the flavonoid scaffold could improve bioavailability and efficacy. 3’,4’,5’-trimethoxyflavonol (TMFol) was identified as the most potent growth-inhibitory agent against the PCa cell lines tested. TMFol was 5-15 times more growth inhibitory than fisetin and quercetin, two widely studied flavonols. TMFol caused a G2/M arrest in androgen-dependent cells (LNCaP and TRAMP C2) whereas S phase arrest in the androgen-ind
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Oliveira, Filho Abrahão Alves de. "Avaliação dos efeitos farmacológicos e toxicológicos do estrato etanólico, fase clorofórmica e flavonoide de Praxelis clematidea (griseb.) R.M. King & H. Robinson (Asteraceae)." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/8054.

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Submitted by Clebson Anjos (clebson.leandro54@gmail.com) on 2016-03-29T17:10:43Z No. of bitstreams: 1 arquivototal.pdf: 2083408 bytes, checksum: 7c334abdd8d37a59afd17254476fe905 (MD5)<br>Made available in DSpace on 2016-03-29T17:10:43Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2083408 bytes, checksum: 7c334abdd8d37a59afd17254476fe905 (MD5) Previous issue date: 2015-02-06<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The increasing resistance of micro-oganismos pathogens to e
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Book chapters on the topic "'-trimethoxyflavonc"

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"5-Hydroxy-7,8,2′-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_329.

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"7-Hydroxy-5,8,2′-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_330.

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"5,7-Dihydroxy-8,2′,6′-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_331.

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"Rivularin (5,2′-Dihydroxy-7,8,6′-trimethoxyflavone)." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_332.

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"5,7,3′,6′-Tetrahydroxy-6,8,2′-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_334.

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"5,2′,6′-Trihydroxy-6,7,8-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_335.

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"5,2′,5′-Trihydroxy-6,7,8-trimethoxyflavone." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_336.

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"5,6,2′-Trihydroxy-7,8,6′-trimethoxyflavone (6-Hydroxyrivularin)." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_322.

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"Tenaxin I (5,2′-Dihydroxy-6,7,8-trimethoxyflavone)." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_333.

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"Rivularin 2′-O-glucuronide (5-Hydroxy-7,8,6′-trimethoxyflavone-2′-O-β-D-glucuronapyranoside)." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_453.

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Conference papers on the topic "'-trimethoxyflavonc"

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Wongcharu, Aoraya, Chanikan Sonklin, Cherdchai Laongtiparos, Siriporn Pranee, Samitthichai Seeyangnok, and Nisalak Trongsiriwat. "Chemical Constituents of Black Galingale Rhizome from Hexane Crude Extract and its Nanoemulsion Preparation." In 2024 8th International Conference on Materials Engineering and Nano Sciences & 2024 8th International Conference on Material Engineering and Manufacturing. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-p1fkxg.

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Kaempferia parviflora (Black Galingale) is a medicinal plant in the family Zingiberaceae. It has biological activities, but the bioactive compounds are easily decomposed and poorly soluble. This research has focused on the chemical constituents and bioactivities of the hexane crude extract from K. parviflora rhizomes for nanotechnology. The K. parviflora rhizomes were extracted with hexane by the maceration. The crude extract 39.99 g was obtained and purified using column chromatography to give four pure compounds, namely (1) 5-hydroxy-3,7-dimethoxyflavone, (2) 5-hydroxy-7-methoxyflavone, (3)
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Saad, Shaban, Lynne Howells, Robert G. Britton, et al. "Abstract A104: 3’, 4’, 5’-Trimethoxyflavonol (TMFol), a novel putative prostate cancer chemopreventive agent: In vitro and in vivo preclinical activity." In Abstracts: AACR International Conference on Frontiers in Cancer Prevention Research‐‐ Nov 7-10, 2010; Philadelphia, PA. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/1940-6207.prev-10-a104.

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Reports on the topic "'-trimethoxyflavonc"

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ทิพยางค์, สันติ, วรินทร ชวศิริ, ปรีชา ภูวไพรศิริศาล, พัฒทรา สวัสดี та ไพฑูรย์ รัชตะสาคร. สารสำคัญและการประกันคุณภาพอาหารเสริมจากกระชายดำ : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2008. https://doi.org/10.58837/chula.res.2008.51.

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สารฟลาโวนอยด์ 10 ชนิดที่แยกได้จากเหง้ากระชายดำ (KD) เมื่อทดสอบฤทธิ์ยับยั้ง เอนไซม์อะเซทิลโคลีนเอสเตอเรส ด้วยวิธี microplate assay พบว่า สาร 6 (5,7,4’-trimethoxy-flavone) และ 7 (5,7-dimethoxyflavone) มีฤทธิ์ยับยั้งเท่ากับ 56.20 และ 44.20% ตามลำดับ ที่ระดับความเข้มข้น 1 มก. ต่อ มล. นอกจากนี้ยังได้สังเคราะห์สารฟลาโวน (11), 2’3’4’-trimethoxyflavone (12), 3,3’-dimethoxyflavone (13) และ 3-benzyloxy-3’methoxyflavone (14) พบว่าสาร 11, 13 และ 14 มีฤทธิ์ยับยั้งเอนไซม์อะเซทิลโคลีนเอสเตอเรสน้อยกว่าสาร 6 และ 7 ในการวิเคราะห์หาปริมาณสารฟลาโวนอยด์ (6 และ 7) ในสิ่งสกัดและผลิตภัณฑ์กระชายดำ ได้นำวิธีทาง HPLC แล
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Elmann, Anat, Orly Lazarov, Joel Kashman, and Rivka Ofir. therapeutic potential of a desert plant and its active compounds for Alzheimer's Disease. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7597913.bard.

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We chose to focus our investigations on the effect of the active forms, TTF and AcA, rather than the whole (crude) extract. 1. To establish cultivation program designed to develop lead cultivar/s (which will be selected from the different Af accessions) with the highest yield of the active compounds TTF and/or achillolide A (AcA). These cultivar/s will be the source for the purification of large amounts of the active compounds when needed in the future for functional foods/drug development. This task was completed. 2. To determine the effect of the Af extract, TTF and AcA on neuronal vulnerabi
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