Results 71 to 80 of about 46,318 (209)

Natural Photosensitizers in Cancer Therapy: A Chemo‐Biodiversity Perspective on Light‐Activated Natural Compounds

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
Natural photosensitizers, shaped by chemo‐biodiversity and evolution, offer diverse photoactive scaffolds for PDT. This review highlights their structure–activity relationships, photophysical properties, and nanotechnology‐based strategies to enhance efficacy, while addressing translational challenges and demonstrating how nature's molecular diversity ...
Isaac Baidoo, Heidi Abrahamse, Blassan P. George   +2 more
wiley   +1 more source

SYNTHESIS AND BIOLOGICAL PROPERTIES OF PHARMACEUTICALLY IMPORTANT XANTHONES AND BENZOXANTHONE ANALOGS: A BRIEF REVIEW. [PDF]

, 2018
 Xanthones are one of the biggest classes of compounds in natural product chemistry. A number of xanthones have been isolated from natural sources of higher plants such as fungi, ferns, and lichens.
Gupta, Richa, Bedi, Pooja, Pramanik, Tanay   +2 more
core   +2 more sources

Structure–Activity Relationship and Prediction of the Electron‐Transfer Potential of the Xanthones Series

ChemistryOpen, 2018
The structure–activity relationships of 31 xanthones were analyzed by using the ferric reducing antioxidant power (FRAP) assay to determine their electron‐transfer (ET) potential.
Prof. Xican Li, Qian Jiang, Ban Chen, Xiaoling Luo, Prof. Dongfeng Chen   +4 more
doaj   +1 more source

Chemical Composition and Biological Activities of Geopropolis From Four Melipona Species From the Brazilian Atlantic Forest

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
Geopropolis from four Melipona species collected in the Brazilian Atlantic Forest during the dry and rainy seasons was chemically characterized by ESI(‐)‐FT‐ICR MS and evaluated for antioxidant, anti‐inflammatory, and antifungal activities, demonstrating species‐ and season‐dependent variation in its chemical composition and biological properties ...
Ariane Pinheiro Cruz Bergamini, Antônio Domingos de Sousa Júnior, Flavia Vitorino de Araújo Porto, Iana Soares Pessoa, Thiago Antonio de Sousa Cutrim, Victor Paulo Mesquita Aragão, Victor da Rocha Fonseca, Wanderson Romão, Denise Coutinho Endringer, Rodrigo Scherer, Marcio Fronza   +10 more
wiley   +1 more source

Antibacterial Xanthones from the Leaves of Garcinia nigrolineata

, 2016
Ten new 1,3,5-trioxygenated xanthones, nigrolineaxanthones J−S (1−10), one new quinone derivative, nigrolineaquinone A (11), and one new isoflavone-like compound, nigrolineaisoflavone A (12), were isolated from the leaves of Garcinia nigrolineata along ...
Souwalak Phongpaichit (446803), Prakart Sawangchote (2728162), Walter C. Taylor (2728168), Dusadee Sukavisit (2728165), Vatcharin Rukachaisirikul (446804), Mayuree Kamkaew (2728171)   +5 more
core   +1 more source

Molecular docking and ADMET profiling of xanthones from Securidaca longepedunculata targeting oxidative stress in hypertension

Discover Chemistry
Hypertension remains a major global health challenge, with oxidative stress playing a pivotal role in its pathogenesis and complications. In this study, six naturally-occurring xanthones isolated from Securidaca longepedunculata roots were evaluated for ...
Janvier Hinmara Tina, Cyrille Ngoufack Tagousop, Herve Landry Ketsemen, Jean Noël Nyemb, Syeda Abida Ejaz, Hafiz Muhammad Attaullah, Abel Joël Yaya Gbaweng, Céline Henoumont, Sophie Laurent, Emmanuel Talla   +9 more
doaj   +1 more source

Discovery of Virulence Attenuator of Chromobacterium violaceum CV026 From Marine‐Derived Fungus Aspergillus ochraceus LSD‐13 by Inhibiting Quorum Sensing and Destroying Biofilm

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
Targeted quorum‐sensing (QS) represents a promising approach to combat multidrug‐resistant infections. In this study, an undescribed pyrazine derivative 5‐isobutyryl‐1,4‐dihydropyrazine‐2,3‐dione (1) together with three known compounds (2–4) are isolated from the marine‐derived fungus Aspergillus ochraceus LSD‐13.
Xinyi Li, Hui Wang, Yibo Wu, Xiaohan Ding, Shurong Guo, Shuang Gao, Shiwei Sun, Wei Wang   +7 more
wiley   +1 more source

Advancing gambogic acid for translational oncology: Redox–proteostasis collapse, multidrug resistance reversal, nanodelivery and biomarker‐guided development

Clinical and Translational Discovery, Volume 6, Issue 4, August 2026.
Gambogic acid exerts anticancer effects through reactive oxygen species‐mediated apoptosis, suppression of nuclear factor kappa B and phosphatidylinositol‐3‐kinase–protein kinase B signalling, multidrug resistance modulation and tumour microenvironment effects.
Uttam Singh Baghel, Kajal Gurow, Geetanjali Mehara, Priyanka Kriplani, Neelam M. Patel, Abhay Sharma, Deeksha Singh, Atamjit Singh, Suchi Dave, Bhawani Singh, Lashyn N. Kiyekbayeva, William N. Setzer, Javad Sharifi‐Rad, Cheryl Grace Pratiwi Rumahorbo, Daniela Calina   +14 more
wiley   +1 more source

Cytotoxic polyprenylated xanthones from the resin of Garcinia hanburyi

, 2006
Thirteen xanthones (1-13) were isolated from the resin of Garcinia hanburyi. Among them, two new compounds (namely gaudichaudic acid, and isogambogenic acid, 1, 2), and one new natural product (deoxygaudichaudione A, 3) were identified on the basis of ...
Xu, LJ, Yang, DJ, Han, QB, Song, JZ, Hong-Xi XU, Yang, L, Qiao, CF, Chen, SL, Wang, YL, Xu, HX, Tso, TF   +10 more
core  

Sustainable Extraction of Mangiferin From Mango Leaves Using Taguchi and Box‐Behnken Optimization: Biochemical Characterization and Antioxidant Profiling

Journal of Separation Science, Volume 49, Issue 8, August 2026.
A sustainable aqueous‐ethanolic maceration process, sequentially optimized using Taguchi and Box‐Behnken designs, enabled efficient mangiferin recovery from M. indica leaves. The optimized extract exhibited high antioxidant activity and a favorable Analytical GREEnness score, demonstrating its potential as a scalable and environmentally responsible ...
Astrid Corrales, Vitor de Pádua Alves, Júlia Naelly Machado Silva, Felipe Rebello Lourenço, Massuo Jorge Kato, André Moreni Lopes   +5 more
wiley   +1 more source