Results 71 to 80 of about 108,126,505 (165)

Isolation, RP‐UHPLC‐ESI‐LIT‐Orbitrap‐MS/MS‐Based Metabolic Profiling and Anticandidal Activity of the Root and Leaf Secondary Metabolites of Monotes Kerstingii Gilg (Dipterocarpaceae)

Chemistry &Biodiversity, Volume 23, Issue 3, March 2026.
This paper describes the isolation and antifungal activity of secondary metabolites from the leaves and roots of Monotes kerstingii. The distribution of these metabolites in the roots and leaves was achieved through comprehensive RP‐UHPLC‐Orbitrap‐MS and MS/MS analysis.
Sorelle Kache Fotsing, Dominique Ngnintedo, Yanick Kevin Dongmo Melogmo, Alena Soboleva, Kevine Dongmo Jumeta, Bruno Ndjakou Lenta, Fabrice Fekam Boyom, Andrej Frolov, Norbert Arnold, Ludger A. Wessjohann, Norbert Sewald, Bonaventure Tchaleu Ngadjui, Ghislain Wabo Fotso   +12 more
wiley   +1 more source

A New Triglycosyl Flavonoid Isolated from Leaf Juice of (Crassulaceae)

Natural Product Communications, 2015
Kalanchoe gastonis-bonnieri R. Hamet & H. Perrier (Crassulaceae) is a succulent species empirically used as a vaginal contraceptive as well as to heal genitourinary infections.
Sônia Soares Costa, Maria Fernanda Paresqui Corrêa, Livia Marques Casanova   +2 more
doaj   +1 more source

Gene Expression, Docking and Machine Learning in Malaria Drug Discovery: A Systematic Review

Biochemistry Research International, Volume 2026, Issue 1, 2026.
Background Malaria remains a significant and worldwide health threat with increasing resistance to current treatments, stimulating the demand for innovative approaches in pursuing drug discovery. This systematic review integrates the progress made from 2014 through 2024 regarding molecular methods like gene expression profiling, molecular docking and ...
Reuben Samson Dangana, Israel Ehizuelen Ebhohimen, Samson Anjikwi Malgwi, Samuel Chima Ugbaja, Moses Okpeku, Harleen Khatra   +5 more
wiley   +1 more source

Sesquiterpenos e outros constituintes das folhas de Pterodon pubescens Benth (Leguminosae)

Química Nova, 2014
In addition to β-sitosterol, stigmasterol, phaeophitin A, luteolin, kaempferol, quercetin, (+)-catechin, quercetin-3-O-α-L-rhamnopyranoside, rutin, and p-hydroxy-benzoic acid, six known sesquiterpenes, namely (rel)-2β,6β-epoxy-5β-hydroxy-isodaucane ...
Mayker Lazaro Dantas Miranda, Fernanda Rodrigues Garcez, Alfredo Raúl Abot, Walmir Silva Garcez   +3 more
doaj   +1 more source

Health Benefits and Therapeutic Potential of Quercetin

Journal of Food Biochemistry, Volume 2026, Issue 1, 2026.
Quercetin, a polyphenolic compound prevalent in many fruits, vegetables, and other dietary sources, has attracted considerable interest due to its extensive health benefits. This review examines its diverse biological properties, particularly its antioxidant and anti‐inflammatory effects. The study integrates recent scientific findings to elucidate the
Mahendra Aryal, Kim Wei Chan
wiley   +1 more source

New flavonol glycosides from the leaves of Caragana brachyantha

, 2015
Two new flavonol glycosides, brachysides C and D, together with three known flavonol glycosides, were isolated from the leaves of Caragana brachyantha. The structures of brachysides C and D were elucidated on the basis of detailed spectroscopic analysis ...
Ghada Ahmed Fawzy (665562), Rashad Mehmood (665564), Areej Mohammad Al-Taweel (665560), Abdul Malik (319406), Afsar Khan (665563), Nawal Al-Musayeib (665561), Shagufta Perveen (665559)   +6 more
core   +1 more source

Nonclinical Safety Evaluation of Nonmutagenic Immunogrit Following Subacute 28‐Day Repeated Dose Oral Toxicity in Sprague–Dawley Rats With GLP Compliance

Journal of Toxicology, Volume 2026, Issue 1, 2026.
Immunogrit is a traditional Ayurvedic medicine prescribed to patients for their general well‐being. In this study, Immunogrit was evaluated for its subacute (28 days) repeated oral dose toxicity in male and female Sprague‐Dawley (SD) rats of similar age and body weight following OECD 407 guidelines under Good Laboratory Practices compliance.
Acharya Balkrishna, Kunal Bhattacharya, Sudeep Verma, Himanshu Jangid, Savita Lochab, Anurag Varshney, Lissinda H. Du Plessis   +6 more
wiley   +1 more source

Flavonoid Oligoglycosides from Ophioglossum vulgatum L. Having Wound Healing Properties

, 2012
Two new glycosylated and acylated flavonols, viz. quercetin-3-O-[(6-caffeoyl)-β-glucopyranosyl (1→3)α-rhamnopyranoside]-7-O-α-rhamnopyranoside (2), and kaempferol-3-O-[(6-caffeoyl)-β-glucopyranosyl (1→3)α-rhamnopyranoside]-7-O-α-rhamnopyranoside (3 ...
S. Martinotti, LA ROCCA, ARIANNA, E. Ranzato, S. Tinello, CORNARA, LAURA, M. Clericuzio, B. Burlando   +6 more
core   +1 more source

Chemical Composition, Antioxidant, and Antibacterial Activities of Mezilaurus duckei (Lauraceae)

Chemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Mezilaurus duckei, a Brazilian endemic tree species found exclusively in the Amazon Rainforest, is primarily exploited for timber in construction. Due to its endangered status, this study aimed to investigate the chemical profile and biological properties of the ethanolic extract and its phases derived from M. duckei leaves. Chemical profiling
Bruna S. Moroto, Valéria S. Gonçalves, David J. Machate, Talita V. Freire, Érica L. Santos, Flávio M. Alves, Ana C. Micheletti, Nídia C. Yoshida   +7 more
wiley   +1 more source

Special metabolites isolated from Urochloa humidicola (Poaceae)

Anais da Academia Brasileira de Ciências
This study aims to identify special metabolites in polar extracts from Urochloa humidicola (synonym Brachiaria humidicola) that have allelopathic effects and induce secondary photosensitization in ruminants. The compounds were isolated and identified via
DÉBORA R. DE OLIVEIRA, DELCI D. NEPOMUCENO, ROSANE N. CASTRO, RAIMUNDO BRAZ FILHO, MÁRIO G. DE CARVALHO   +4 more
doaj   +1 more source