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Dissertations / Theses on the topic 'Flavonol glycoside'

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Published: 5 June 2025
Last updated: 1 August 2025

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1

Day, Andrea Jill. "Uptake and metabolism of dietary flavonoid glycosides." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327589.

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2

Powell, Christopher. "The polyphenolic pigments of black tea." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/843227/.

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The polyphenolic pigments of black tea include the theaflavins (TF), the flavonol glycosides (FG) and a group of uncharacterised brown pigments referred to as thearubigins (TR). The TR are shown to be a complex, heterogeneous group of compounds, the majority of which are unresolvable by reverse phase HPLC. Fractionation procedures have been modified, developed, combined and applied to black tea liquor, to improve the separation of black tea components and to allow fractions of less complexity be obtained. A degree of resolution has been achieved for TR fractions, unresolvable with reverse phas
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3

Velagapudi, Ravikanth. "Modulation of multiple neuroinflammatory signalling pathways by the dietary glycosidic flavonoid tiliroside." Thesis, University of Huddersfield, 2016. http://eprints.hud.ac.uk/id/eprint/31501/.

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Hyperactivated microglia plays a key role in regulating neuroinflammatory responses which propagate damage to neurons. In recent years, substantial attention has been paid in identifying new strategies to abrogate neuroinflammation. Tiliroside, a dietary glycosidic flavonoid found in several medicinal and dietary plants is known to possess anti-inflammatory and antioxidant activities. This study is aimed at investigating the molecular mechanisms involved in the inhibition of neuroinflammation by the tiliroside. Neuroinflammation inhibitory effects of tiliroside (2-6 μM) were investigated in BV
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4

Gossan, Apie Diane Patricia. "Etude phytochimique de plantes médicinales issues de la flore de la Côte d’Ivoire : Gouania longipetala, Ventilago africana (Rhamnaceae), Combretum racemosum (Combretaceae) et Glyphaea brevis (Malvaceae)." Thesis, Reims, 2013. http://www.theses.fr/2013REIMS040/document.

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L'étude phytochimique de plantes médicinales suscite depuis toujours beaucoup d'intérêt à cause de la variété de métabolites secondaires à activités biologiques intéressantes fabriqués par les plantes. Dans ce travail de thèse, notre contribution à l'amélioration de la connaissance de quelques plantes médicinales ivoiriennes par l'isolement et la caractérisation de leurs molécules a été rapportée. Les espèces Gouania longipetala, Ventilago africana (Rhamnaceae), Combretum racemosum (Combretaceae) et Glyphaea brevis (Malvaceae) ont été investiguées. Soixante métabolites secondaires ont été iden
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5

Barto, Eulondia Kathryn. "An assessment of the allelopathic potential of Alliaria petiolata." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1214946706.

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6

Michodjehoun-Mestres, Laetitia. "Etude des composés phénoliques de la pomme cajou (Anacardium occidentale L. )." Montpellier 2, 2009. http://www.theses.fr/2009MON20053.

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Les composés phénoliques [phénols simples et proanthocyanidines (tannins condensés)] de l'épiderme et la chair de la pomme cajou, faux-fruit de l'anacardier (Anacardium occidentale L. ), ont été étudiés sur quatre génotypes à maturité (2 clones du Brésil et 2 variétés du Bénin). Les composés phénoliques ont été extraits par l'acétone/eau (60:40). Les phénols simples ont été analysés par HPLC-DAD/ESI-MS et les tannins condensés ont été caractérisés par dégradation acide en présence de phloroglucinol et chromatographie d'exclusion stérique haute performance couplée à deux détecteurs de diffusion
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7

Medeiros, Karina Carla de Paula. "Efeito imunomodulador do Kanferol glicolisado em modelo de asma alérgica experimental." Universidade Federal da Paraí­ba, 2009. http://tede.biblioteca.ufpb.br:8080/handle/tede/6846.

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Made available in DSpace on 2015-05-14T13:00:11Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2644910 bytes, checksum: 94bc3ca3dd5252435423f525d32a2ea9 (MD5) Previous issue date: 2009-04-01<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Asthma is a chronic inflammatory disease characterized by cell migration and bronchial hyperreactivity (HRB). One strategy to treat allergic diseases is the development of new drugs with good efficacy and few side effects. Flavonoids are plant compounds known for its antioxidant, antiallergic and anti-inflammatory activities. Bas
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8

Pontes, Flávia Cevithereza. "Potencial fitotóxico, antifúngico e antioxidante de extratos foliares de Myrcia splendens (Sw) DC. (Myrtaceae)." Universidade Federal de São Carlos, 2015. https://repositorio.ufscar.br/handle/ufscar/7184.

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Submitted by Luciana Sebin (lusebin@ufscar.br) on 2016-09-14T12:16:38Z No. of bitstreams: 1 DissFCP.pdf: 4494134 bytes, checksum: 579efc0cd432aa20fa0626c57daa20b5 (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-15T13:58:27Z (GMT) No. of bitstreams: 1 DissFCP.pdf: 4494134 bytes, checksum: 579efc0cd432aa20fa0626c57daa20b5 (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-15T13:58:35Z (GMT) No. of bitstreams: 1 DissFCP.pdf: 4494134 bytes, checksum: 579efc0cd432aa20fa0626c57daa20b5 (MD5)<br>Made available in DS
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9

Lück, Lorna. "Intraspezifische Variabilität und Einflüsse von Anbaumaßnahmen auf den Inhaltsstoffgehalt und Ertrag von Solidago virgaurea L." Doctoral thesis, Humboldt-Universität zu Berlin, Landwirtschaftlich-Gärtnerische Fakultät, 2001. http://dx.doi.org/10.18452/14652.

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Mit den vorgestellten Untersuchungen sollten das Potential der in Europa vorkommenden Echten Goldrute für den Anbau evaluiert und der Einfluß von Erntetermin, Schnitthöhe und Düngungsmaßnahmen sowie der abiotischen Umweltfaktoren Licht und Wasser auf den Ertrag und den Inhaltsstoffgehalt von Solidago virgaurea L. geprüft werden. In vier Feldversuchen wurden Inhaltsstoffgehalte, Ertragsparameter, Entwicklungsstadien sowie morphologische Merkmale untersucht. Die Gehalte an Flavonolglycosiden, Phenolglucosiden und Kaffeesäurederivaten wurden mittels HPLC und nachfolgender DAD-Detektion bestimmt.
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10

Becker, Christine [Verfasser], Lothar [Akademischer Betreuer] Kroh, Hans-Peter [Akademischer Betreuer] Kläring, Angelika [Akademischer Betreuer] Krumbein, and Monika [Akademischer Betreuer] Schreiner. "Impact of radiation, temperature and growth stage on the concentration of flavonoid glycosides and caffeic acid derivatives in red leaf lettuce / Christine Becker. Gutachter: Lothar W. Kroh ; Monika Schreiner ; Angelika Krumbein. Betreuer: Lothar W. Kroh ; Hans-Peter Kläring ; Angelika Krumbein." Berlin : Technische Universität Berlin, 2014. http://d-nb.info/1067385622/34.

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11

Gourguillon, Lorène. "Etude de deux halophytes, Armeria maritima (Mill.) Willd. et Helichrysum stoechas (L.) Moench : exploration phytochimique, approche biotechnologique et valorisation dermo-cosmétique." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAF039.

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L'étude phytochimique d'Armeria maritima et d'Helichrysum stoechas a permis d'isoler pour la première fois 31 molécules dans le genre Armeria dont 4 nouveaux flavonols diglycosylés, ainsi que le développement d'une stratégie de déréplication pour l'étude d'H. stoechas. Dans les deux espèces, nous avons relevé une richesse en polyphénols, qui pourraient être extraits par des techniques respectueuses de l'environnement comme la SFE. En parallèle, ces deux halophytes ont montré un fort potentiel biologique avec des extraits et des molécules dotés d'activités anti-oxydante, anti-collagénase, anti-
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12

Ishihara, Hirofumi [Verfasser]. "Analysis of two single trait loci affecting flavonol glycoside accumulations in Arabidopsis thaliana natural variations / presented by Hirofumi Ishihara." 2007. http://d-nb.info/986621811/34.

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13

Bai, Shu-Ruei, and 白書睿. "Metabolic study on flavonol glycosides containing rhamnosyl moiety in rats." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/cznfg9.

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碩士<br>國立臺灣大學<br>藥學研究所<br>105<br>Rhamnosyl containing flavonol glycosides are widely distributed in the plant kingdom. Among them, rutin has been comprehensively studied including versatile bioactivities. The metabolic study, especially the metabolite identification of such group, however, is rarely reported. The aerial part of Curcuma longa L. and Sauropus androgynus (L.) Merr. have been reported to be rich in such flavonols rhamnoside. Ground juice from fresh S. androgynus was used as a diet for weight loss. In Taiwan, outbreak of 23-case bronchiolitis obliterans in 1995 after chronic digest
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14

Wo, Ruo-Hsuan, and 吳若玄. "Structural Determination of Acylated Flavonol Glycosides in Seven Taiwan Tea Cultivars." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/30371511658411200191.

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碩士<br>國立中興大學<br>生物科技學研究所<br>105<br>Taiwan has been well known as one of the regions to produce tea. Due to unique terrain and salubrious climate, Taiwan has a suitable environment for various cultivars. There are several tea cultivars in Taiwan, including Chin Shin Oolong, Shy Jih Chuen, Taiwan Tea Experiment Station (TTES) No.12, etc. According to previous study from our lab, we discovered unique acylated flavonol tetraglycosides in Chin Shin Oolong, which could improve gastrointestinal emptying and induce hunger. These compounds could bind to the ghrelin receptor and trigger physiological re
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15

Price, Steven F. "Sun exposure and flavonols in grapes." Thesis, 1994. http://hdl.handle.net/1957/35574.

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16

Chen, Jun-bin, and 陳俊斌. "Isolation and anaylsis of bioactive flavonol glycosides from Taiwan endemic plant Cinnamomum osmophloeum leaves." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/88594600406173446073.

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碩士<br>朝陽科技大學<br>應用化學系碩士班<br>96<br>Three kaempferol glycosides were isolated from the leaves of Cinnamomum osmophloeum Kaneh, a Taiwan endemic tree. These three compounds were determined to be kaempferitrin (compound 1), and kaempferol 3-O-β-D- glucopyranosyl-(1→4)-α-L-rhamnopyranosyl-7-O-α-L-rhamnopyranoside (compound 2), and kaempferol3-O-β-d-apiofuranosyl-(1→2)-α-L-arabin- ofuranosyl-7- O-α-l-rhamnopyranoside (compound 3). A simple, rapid procedure, using capillary electrophoresis (CE), that can efficiently measure added folic acid in fortified instant fried noodles has been developed and v
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17

Pitura, Karen. "Evaluation of the antioxidant activity of extracts and flavonol glycosides isolated from the seed coats of coloured beans (Phaseolus vulgaris L.)." 2011. http://hdl.handle.net/1993/4794.

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The seed coat of the common bean (Phaseolus vulgaris L.) can be considered an important source of flavonoids. Flavonoids are well known for their beneficial effects on health long before they were isolated as effective compounds. Dry beans are typically processed and the seed coats may be removed and discarded prior to consumption. Therefore, a better understanding of the antioxidant and anti-inflammatory activity of coloured dry bean seed coats would be beneficial in determining their potential use as an ingredient in the functional food and nutraceutical industry. Flavonol glycosides were id
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18

Chen, Ke-ru, and 陳科如. "Studies on the insulinomimetic activity of flavonol glycosides isolated from Taiwan endemic plant Cinnamomum osmophloeum." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/30738056155379442140.

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碩士<br>朝陽科技大學<br>生物技術研究所<br>95<br>Two kaempferol glycosides were isolated from the leaves of Cinnamomum osmophloeum Kaneh, a Taiwan endemic tree. These two compounds were determined to be kaempferitrin(compound 1), and kaempferol 3- O-β- D - glucopyranosyl - (1→4) -α-L-rhamnopyranosyl-7-O-α-L-rhamnopyranoside (compound 2). The isolated compound 1 and 2 were evaluated for insulin mimicking effects. Lipogenesis during maturation of 3T3-L1 preadipocyte were used to test for insulin acitivity. When compound 1 or 2 were administered alone, 3T3-L1 cells matured into adipogenic phenotype. 15uM compoun
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19

Husng, Wei-chien, and 黃偉健. "Study on isolation processes of bioactive flavonol glycosides from Taiwan endemic plant Cinnamomum osmophloeum leaves." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/80589205535402768747.

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碩士<br>朝陽科技大學<br>應用化學系碩士班<br>98<br>Cinnamomum osmophloeum Kaneh. (Lauraceae) is an indigenous tree that grows in Taiwan’s natural hart wood forest at an elevation between 400-1500 m. Traditionally, the leaves of C. osmophloeum are used in folk medicine for the treatment of inflammation, intestinal infections, astringent, diuretic and diabetic complications in Taiwan. Previously our research group have been reported the anti-inflammatory and anti-diabetic flavonoid (kaempferol glycosides) from the leaves of this species. In the present study, a capillary electrophoresis quantification method, us
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20

Davis, Barry D. 1976. "Structural characterization of isomeric flavonoid glycosides and metabolites by metal complexation and electrospray ionization tandem mass spectrometry." Thesis, 2007. http://hdl.handle.net/2152/3564.

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Flavonoids form a vast group of natural products that occur ubiquitously throughout the plant kingdom. These compounds play a significant role in the field of phytochemistry and are of nutritional interest due to numerous reports of their benefits to human health. Structural characterization of individual flavonoid derivatives is challenging because of widespread isomerism and a lack of sensitive and specific analytical techniques. The goal of this work is to present practical tandem mass spectrometry methods for systematic isomer differentiation of flavonoid glycosides and flavonoid glucur
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21

Wu, Mu-Yuan, and 吳木元. "Activity Assay and Structure Identification of Flavonoid Glycosides by LC-ECD-ESI-MS." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/23927204747347671268.

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碩士<br>國立嘉義大學<br>應用化學系研究所<br>98<br>Flavonoid glycosides of plants have multiple physiological activities. A lot of researchers have studied antioxidant activities and structures of flavonoids. Meanwhile, varieties of analytical methods were developed to meet the need of the activity and structure determination. Among which hyphenated devices for simultaneous antioxidant assay and structure identification are currently most promising for high throughput analyses. However, the application of the hyphenated devices in activity assay of flavonoid glycosides is still hindered by many problems. One o
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22

Chen, Chih-An, and 陳志安. "Synthesis of Flavonoid C-Glycosides as Antioxidants for Protection of Retinal Pigment Epithelial Cells." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/49190313271853512744.

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碩士<br>國立臺灣大學<br>化學研究所<br>96<br>A variety of C-glycosylflavonoids are found widely distributed in the plant kingdom. Dendrobium huoshanense is a well-known traditional Chinese medicine. Apigenin 6,8-di-C-glycosides have been suggested to exist in D. huoshanense to exhibit an activity for eye protection. Because the structure of the chemical constituent and the biological mechanism were unclear, we aim to synthesize a series of apigenin 6,8-di-C-glycosides and analogues for the structure–activity relationship study. A key reaction was carried out by using Sc(OTf)3 as the promoter to furnish the
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