Results 131 to 140 of about 92,534 (385)

Cytotoxic Activity of Opopanax hispidus (Friv.) Griseb.: Characterization of a New Chalcone‐type Compound

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT The present study aimed to investigate cytotoxic compounds of Opopanax hispidus (Friv.) Griseb. through in vitro, in silico, and phytochemical analyses. The cytotoxic activity of O. hispidus was evaluated against four different cancer cell lines – lung (A549), breast (MCF‐7), liver (HepG2), and cervix (HeLa) – as well as one healthy cell line (
Kevser Taban   +7 more
wiley   +1 more source

Anthoteibinenes F–Q: New Sesquiterpenes from the Irish Deep-Sea Coral Anthothela grandiflora

open access: yesMarine Drugs
New technology has opened opportunities for research and exploration of deep-water ecosystems, highlighting deep-sea coral reefs as a rich source of novel bioactive natural products.
Stine S. H. Olsen   +6 more
doaj   +1 more source

A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata

open access: yesMolecules, 2009
A sample of the marine brown alga D. divaricata collected off the coast of Yantai (P.R. China) was dried, powdered, and extracted with the mixture of CHCl3 and MeOH (1:1, v/v).
Qin-Zhao Xue   +8 more
doaj   +1 more source

DPPH‐based Antioxidant Screening and Cellulase‐assisted Hydrodistillation of Matourea azurea: Improved Essential Oil Yield and Density Functional Theory Insights Into a Rare Terpene

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Essential oils are rich in bioactive molecules like terpenes and phenolic compounds, but have low yields, making process efficiency crucial. Enzyme‐assisted hydrodistillation is a sustainable alternative, enhancing oil release by degrading the cell wall.
Júlio César Gonçalves de Souza   +7 more
wiley   +1 more source

Volatile organic compounds emitted from fungal-rotting beech (Fagus sylvatica) [PDF]

open access: yes, 2008
Chemo-communication is an important mode of interaction within ecosystem. The living organism in the ecosystem can deliver signals to conspecifics, to co-organisms, and unintentionally to their enemies, by emitting the volatile organic compounds (VOCs ...
Schütz, Stefan   +2 more
core  

Application of direct bioautography and SPME-GC-MS for the study of antibacterial chamomile ingredients [PDF]

open access: yes, 2012
The isolation and characterization of antibacterial chamomile components were performed by the use of direct bioautography and solid phase microextraction (SPME)-GC-MS.
Adams R.P.   +40 more
core   +1 more source

Targeted Screening and Quantification of Characteristic Sesquiterpene Lactones in Ambrosia artemisiifolia L. at Different Growth Stages

open access: yesPlants
Sesquiterpene lactones are specialized plant metabolites with promising pharmacological activities. These metabolites are characteristic marker compounds for the aerial parts of Ambrosia artemisiifolia.
Balázs Kovács   +6 more
doaj   +1 more source

Sesquiterpene lactones from Vernonia [PDF]

open access: yesMemórias do Instituto Oswaldo Cruz, 1991
Some informations about the sesquiterpene lactones isolated from Brazilian species of Vernonia are described, as well the results of tests developed with such compounds with respect to their anti-feedant, molluscicide, antimicrobial and analgesic properties.
openaire   +5 more sources

Efficacy of Essential Oil of Algrizea minor Sobral, Faria & Proença (Myrtaceae) in Combating Methicillin‐resistant Staphylococcus aureus: Antibacterial and Virulence Modulation Studies Conducted In Vitro and In Vivo

open access: yesChemistry &Biodiversity, EarlyView.
This study explored the antibacterial, antivirulence, and in vivo effects of Algrizea minor essential oil (EOAM), against MRSA isolates. Chemical analysis by GC‐MS has been performed. The oil exhibited synergistic effects when combined with amoxicillin and oxacillin, inhibiting biofilm formation and reducing S. aureus‐induced hemolysis.
Amanda Vieira de Barros   +14 more
wiley   +1 more source

Nothing New Under the Sun?: Sunflower Oil Shows No Cross-Reactivity With Nickel or Compositae Allergens. [PDF]

open access: yesContact Dermatitis
Contact Dermatitis, Volume 93, Issue 3, Page 267-268, September 2025.
Karels S   +4 more
europepmc   +2 more sources

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