Results 81 to 90 of about 6,787 (215)

Tablet Formulation Containing Chitosan-Alginate Microparticles: Characterization and Release Profile of Xanthones

International Journal of Technology, 2020
Mangosteen pericarp extract contains a high amount of xanthones, which are secondary plant metabolites that exhibit high antioxidant activities as well as beneficial pharmacological properties, but low bioavailabilities.
Elsa Anisa Krisanti, David Lazuardi, Kianti Kasya Kiresya, Kamarza Mulia   +3 more
doaj   +1 more source

DAYA HAMBAT XANTHONE TERHADAP ENZIM GLUKOSILTRANSFERASE treptococcus mutans [PDF]

, 2017
Latar Belakang:Streptococcus mutans adalah bakteri komensal dalam rongga mulut yang menjadi agen penyebab terjadinya karies gigi. Produk S. mutans yang dari proses fermentasi yang berupa asam laktat menjadi penyebab demineralisasi dari enamel gigi.
KHOLID KASTURI, 021411131123
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A pair of novel cytotoxic polyprenylated xanthone epimers from gamboges

, 2006
Two new polyprenylated xanthone epimers were isolated from gamboges of Garcillia hanburyi, and identified by detailed spectroscopic analysis as 30-hydroxygambogic acid (2a) and its (2S)-epimer 30-hydroxyepigambogic acid (2b).
Sun, HD, Han, QB, Song, JZ, Hong-Xi Xu, Yang, L, Qiao, CF, Wang, YL, Xu, HX   +7 more
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Studies toward the synthesis of anthraquinone-xanthone heterodimeric natural products [PDF]

, 2016
Anthraquinone-xanthone heterodimeric natural products are a diverse family of polyketides highlighted by a unique bicyclo [3.2.2] ring system which links both anthraquinone and xanthone moieties.
Little, Andrew John
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Synthesis, characterization, and computational evaluation of some synthesized xanthone derivatives: focus on kinase target network and biomedical properties

Frontiers in Pharmacology
BackgroundXanthones are dubbed as putative lead-like molecules for cancer drug design and discovery. This study was aimed at the synthesis, characterization, and in silico target fishing of novel xanthone derivatives.MethodsThe products of reactions of ...
Wisam Taher Muslim, Layth Jasim Mohammad, Munaf M. Naji, Isaac Karimi, Matheel D. Al-Sabti, Majid Jabir, Mazin A. A. Najm, Helgi B. Schiöth   +7 more
doaj   +1 more source

Structure analysis on complexes of xanthone glycosides and metal ions using Electrospray ionization tandem mass Spectrometry

, 2007
The structure and fragmentation mechanism of metal (Mn(II), Al(III) and Cu(II)) complexes of xanthone glycosides as well as metal coordination sites were investigated by electrospray ionization tandem mass spectrometry.
Sun, Y. G., Liang, X. M., Xue, X. Y., Xiao, H. B., 梁鑫淼, Zhang, X., Wang, L.   +6 more
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PREPARATION, CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF XANTHONE-LOADED MAKING (HODGSONIA HETEROCLITA) MICROEMULSIONS

, 2017
Objective: The aim of this study was to incorporate xanthone into Making (Hodgsonia heteroclita) microemulsions and to evaluate the antioxidant activity of the formulations.Methods: Making oil was obtained from the seed of Hodgsonia heteroclite by a ...
Panee Sirisa-ard, Ruttiros Khonkarn, Sunee Chansakaow   +2 more
core   +2 more sources

Determinação da constante de velocidade absoluta para a reação de abstração de hidrogênio fenólico pelo estado excitado triplete de xantona em acetonitrila e no líquido iônico hexafluorfosfato de 1-butil-3-metil-imidazólio [bmim.PF6]

Química Nova, 2013
The triplet excited state of xanthone was generated and characterized by laser flash photolysis in acetonitrile (λmax=620 nm; t=1.8 ms) and in ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate [bmim.PF6] (λmax=620 nm; t=3.0 ms). It reacts with
Ada Ruth Bertoti, José Carlos Netto-Ferreira   +1 more
doaj   +1 more source

Three new xanthone derivatives from an algicolous isolate of Aspergillus wentii [PDF]

, 2013
Three new xanthone derivatives, yicathin A (1), yicathin B (2), and yicathin C (3), and three known anthraquinone derivatives, alatinone (4), 1,5-dihydroxy-3-methoxy-7-methylanthraquinone (5), and 5-hydroxy-1,3-dimethoxy-7-methylanthraquinone (6), were ...
Zhang, Jing, Miao, Feng-Ping, Yin, Xiu-Li, Ji, Nai-Yun, Wang, Gang, Sun, Ran-Ran   +5 more
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Bioactive Xanthone C-glycoside Derivatives – QSAR Approach

, 2023
Introduction. Xanthone glycosides have unique structures and properties. Many efforts focus on the search for C-glycoside derivatives of mangiferin with higher bioavailability.
M. A. Morozova, V. N. Aksenova, A. V. Syroeshkin   +2 more
core   +1 more source