Chloropinane and chloromenthene, synthesized from pinene limonene, respectively, were compared with their non-halogenated analogs n-hexane for ability to solubilize natural products of interest such as ?-carotenoids, vanillin, rosmarinic acid. was six times more efficient than hexane ?-carotene solubilization. Chloromenthene 15 better hexane. Vanillin 20 soluble in chloropinane chloromenthene 3...

A highly selective electrochemical sensor modified with CuFe2O4 nanoparticles and the ionic liquid was constructed for detection of vanillin. The could recognize vanillin from its analogs possible coexistent substances. response peak current concen­tration showed a good linear relationship in range 0.01 - 300.0 μM, sensitivity 0.0923 μA μM-1. limit 0.008 μM (S/N = 3). Besides, reproducibility s...

BACKGROUND Salix aegyptiaca is known for its medicinal properties mainly due to the presence of salicylate compounds. However, it also contains other beneficial phytochemicals such as gallic acid, quercetin, rutin and vanillin. The aim of the study was to examine the redox potential, antioxidant and anti-inflammatory activity of these phytochemicals along with acetylsalicylic acid. METHODS Th...

We studied the thermal decomposition of vanillin in a low-pressure pyrolysis microreactor by photoelectron photoion coincidence spectroscopy. The products were identified isomer-selectively mass-selected threshold spectra (ms-TPES) based on Franck–Condon simulations and reference spectra. Methyl loss homolytic C–O bond fission methoxy group is initial unimolecular step. primary intermediate, 2-...

HCHL (hydroxycinnamoyl-CoA hydratase-lyase) catalyses the biotransformation of feruloyl-CoA to acetyl-CoA and the important flavour-fragrance compound vanillin (4-hydroxy-3-methoxybenzaldehyde) and is exploited in whole-cell systems for the bioconversion of ferulic acid into natural equivalent vanillin. The reaction catalysed by HCHL has been thought to proceed by a two-step process involving f...

This work evaluated the cytotoxic effect of different EOCs-functionalised silica particle types. The in vitro toxicity eugenol and vanillin-immobilised SAS, MCM-41 microparticles nanoparticles was on HepG2 cells, compared to free EOCs pristine materials. results revealed that essential oil components bare had a mild cells. However, comparative study showed vanillin milder than equivalent concen...