Results 81 to 90 of about 47,943 (166)

Exploring the therapeutic potential of xanthones in diabetes management: Current insights and future directions

European Journal of Medicinal Chemistry Reports
The search for effective antidiabetic agents, both synthetic and natural, has intensified over the years. This review provides a comprehensive examination of xanthone compounds as potential antidiabetic agents, exploring their sources, chemical ...
Riya Saikia, Kalyani Pathak, Pallab Pramanik, Md Ariful Islam, Shreyasi Karmakar, Saptasikha Gogoi, Manash Pratim Pathak, Dibyajyoti Das, Jon Jyoti Sahariah, Mohammad Zaki Ahmad, Aparoop Das   +10 more
doaj   +1 more source

Charakterisierung zweier neuer antioxidativer Tetrahydroxyxanthone in Hypericum-Samen und rasterelektronenmikroskopische Untersuchung der Testa

Julius-Kühn-Archiv, 2018
Hypericum seeds have recently been identified as a natural source of different xanthone derivatives. Two main constituents, the tetrahydroxyxanthones THX-1 and -2, were identified in methanolic extracts of H. perforatum and H.
Lorenz, Peter, Heller, Annerose, Bunse, Marek, Heinrich, Miriam, Berger, Melanie, Conrad, Jürgen, Stintzing, Florian C., Kammerer, Dietmar R.   +7 more
doaj   +1 more source

Xanthones from Swertia punctata

, 2002
Isolation of 1-O-primeverosyl-3,8-dihydroxy-5-methoxyxanthone and 1-O-gentiobiosyl- 3,7-dimethoxy-8-hydroxyxanthone, along with five known xanthones, isobellidifolin, methylbellidifolin, isoswertianin, methylswertianin and norswertianin-1-O-beta-D ...
Vajs, Vlatka, Macura, S, Menković, N., Macura, S., Juranic, N, Aljančić, Ivana, Savikin-Fodulovic, K, Juranić, N., Menkovic, N, Milosavljević, Slobodan, Bulatović, V., Milosavljevic, S   +11 more
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Anti-Tumor Xanthones from Garcinia nujiangensis Suppress Proliferation, and Induce Apoptosis via PARP, PI3K/AKT/mTOR, and MAPK/ERK Signaling Pathways in Human Ovarian Cancers Cells

Drug Design, Development and Therapy, 2020
Zhongyan Tang,1,* Lihua Lu,2,* Zhengxiang Xia3 1Department of Emergency and Critical Care Medicine, Jin Shan Hospital, Fudan University, Shanghai 201508, People’s Republic of China; 2Department of Neonatology, International Peace Maternity and ...
Tang Z, Lu L, Xia Z
doaj  

Three Novel Xanthones from Garcinia paucinervis and Their Anti-TMV Activity

Molecules, 2013
Phytochemical investigations of the leaves of Garcinia paucinervis resulted in the isolation of three new xanthones 1–3 and five known analogues 4–8. Structural elucidations of 1–3 were performed by spectral methods such as 1D and 2D (HMQC, HMBC, and ...
Qiu-Fen Hu, Xue-Mei Gao, Xiu-Ping Lu, Yu-Ping Wu, Wei Zhao, Guang-Hui Kong, Zhen-Yuan Xia   +6 more
doaj   +1 more source

Recent Insights into the Biosynthesis and Biological Activities of Natural Xanthones

, 2010
This review focuses on recent advances in our understanding of the complex biosynthetic pathways and diverse biological activities of naturally occurring xanthones.
Borg-Karlson, Anna-Karin, Goransson, U., Bohlin, Lars,, Göransson, Ulf,, El-Seedi, Hesham R.,, Borg-Karlson, Anna-Karin,, Verpoorte, R., El-Seedi, H. R., Bohlin, L., El-Ghorab, D. M. H., El-Barbary, M. A.   +10 more
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A new insight into cardiovascular protective potentials of hydroxylated xanthones

Natural products play important roles as origins of new cardiovascular drugs. Xanthones are polyphenolic compounds that carry a dibenzo-γ-pyrone skeleton and exhibit a broad range of pharmacological activities.
Ng, Chin Theng, Cheow, Hee Yang Derrick, Mah, Siau Hui, Fong, Lai Yen, Lim, Yang Mooi, Yong, Yoke Keong   +5 more
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Tetraoxygenated xanthones from centaurium erythraea

, 2000
Three tetraoxygenated xanthones, 1,6-dihydroxy-3,5-dimethoxyxanthone, 3-hydroxy-1,5,6-trimethoxyxanthone and 1,3,5-trihydroxy-2-methoxyxanthone, were isolated for the first time from the aerial parts of C. erythraea.
Amaral, Joana S., Valentão, Patrícia, Areias, Filipe M., Andrade, Paula B., Seabra, Rosa M.   +4 more
core   +1 more source

Xanthones of Garcinia mangostana Linn.

, 1971
Two new xanthones, gartanin and 8-desoxygartanin, have been isolated from very ripe fruits of Garcinia mangostana and their structures have been shown to be VIIa and X tespectively. Partially ripe fruits contain only mangostin and ß-mangostin.
N. Muthukumaraswamy, B.R. Pai, Govindachari, T. R., Pai, B. R., T.R. Govindachari, Muthukumaraswamy, N., Kalyanaraman, P. S., P.S. Kalyanaraman   +7 more
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Identification and characterization of mangosteen xanthones by HPLC-DAD and LC-ESI-QTOF-MS/MS

, 2021
Identification and characterization of mangosteen xanthones by HPLC-DAD and LC-ESI-QTOF-MS ...
Sudarshan Dhakal (13800571)
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