Results 191 to 200 of about 705,688 (278)

Activity Against Pythium insidiosum and Isolated Constituents of Cordia insignis Roots

open access: yesChemistry &Biodiversity, EarlyView.
This study investigates the roots of Cordia insignis in search of novel treatments for pythiosis, caused by the oomycete Pythium insidiosum. Seven compounds are isolated, including steroids, a saponin, a coumarin, a fatty acid, and a glycoside, the latter two are reported for the first time in the genus.
Rennan Carlos de Oliveira   +8 more
wiley   +1 more source

Action of Betulinic Acid in the Inhibition of Efflux Pump NorA in Staphylococcus aureus Strains: In Vitro and In Silico Approaches

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Antibiotic resistance poses a serious challenge to public health, particularly in the case of Staphylococcus aureus, a Gram‐positive bacterium that employs multiple resistance mechanisms, including efflux pumps such as NorA, which extrude antimicrobial compounds from the cell and reduce antibiotic efficacy. Therefore, the search for substances
Camila Aparecida Pereira da Silva   +10 more
wiley   +1 more source

Chemical and Biological Properties of Hymenaea courbaril L.: A Review

open access: yesChemistry &Biodiversity, EarlyView.
PRISMA‐style flowchart showing the screening process of studies identified and selected in the review has been added to the attachments. ABSTRACT Hymenaea courbaril L., commonly known as jatobá, is a plant traditionally used by native populations for medicinal purposes, in addition to providing edible fruits and durable wood for construction.
Cicera Alane Coelho Gonçalves   +6 more
wiley   +1 more source

Phenolic Profile and Bioactive Prospects of Wild Annona Species From Angola

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Annona species (Annonaceae family) are valued for their nutritional and medicinal importance, especially in traditional medicine. This study investigated the phenolic profiles of the Angolan Annona muricata, Annona squamosa, and Annona senegalensis leaves, stem barks, and seeds hydroethanolic, infusion, and decoction extracts, also evaluating ...
Josefa Rangel   +9 more
wiley   +1 more source

Rubrolides A, D, P, T, U: Total Syntheses and Antibacterial Evaluation of Highly Brominated Marine Natural Products

open access: yesChemistryEurope, EarlyView.
Following the Danube Flow. The first total syntheses of highly brominated rubrolides T, U, and U‐analog, together with the efficient and divergent syntheses of rubrolides A, D, and P. The dibrominated key intermediate, obtained via a Suzuki‐Miyaura cross‐coupling reaction, is the centerpiece of the synthesis.
Jasmin Janneschütz   +7 more
wiley   +1 more source

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