233633

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Anaerobic activation of p-cymene in denitrifying betaproteobacteria: methyl group hydroxylation versus addition to fumarate.

Annemieke Strijkstra et al.

Applied and environmental microbiology, 80(24), 7592-7603 (2014-09-28)

The betaproteobacteria "Aromatoleum aromaticum" pCyN1 and "Thauera" sp. strain pCyN2 anaerobically degrade the plant-derived aromatic hydrocarbon p-cymene (4-isopropyltoluene) under nitrate-reducing conditions. Metabolite analysis of p-cymene-adapted "A. aromaticum" pCyN1 cells demonstrated the specific formation of 4-isopropylbenzyl alcohol and 4-isopropylbenzaldehyde, whereas with

Microwave-assisted synthesis of 4, 4'-diaminotriphenylmethanes.

Guzman-Lucero D, et al.

Tetrahedron Letters, 46(7), 1119-1122 (2005)

Competitive inhibition of mushroom tyrosinase by 4-substituted benzaldehydes.

M Jiménez et al.

Journal of agricultural and food chemistry, 49(8), 4060-4063 (2001-08-22)

A kinetic study of the inhibition of mushroom tyrosinase by 4-substituted benzaldehydes showed that these compounds behave as classical competitive inhibitors, inhibiting the oxidation of L-3,4-dihydroxyphenylalanine (L-DOPA) by mushroom tyrosinase (o-diphenolase activity). The kinetic parameter (K(I)) characterizing this inhibition was

Comparison of aroma-active compounds in broiler broth and native chicken broth by aroma extract dilution analysis (AEDA), odor activity value (OAV) and omission experiment.

Yunzi Feng et al.

Food chemistry, 265, 274-280 (2018-06-10)

Two types of chicken broth, broiler broth (BB) and native chicken broth (NCB), were used to analyse their differences in aroma by gas chromatography-olfactometry/mass spectrometry (GC-O/MS). NCB contained more complex volatiles and exhibited a richer aromatic profile compared with BB.

Subacute toxicity assessment of water disinfection byproducts on zebrafish.

Gergely Rácz et al.

Pathology oncology research : POR, 18(3), 579-584 (2011-12-14)

Disinfection of raw water is essential to the production of drinking water. However, by-products of disinfection may exert toxic effects. The potential toxic effects of two of these compounds, 4-ethylbenzaldehyde (EBA) and 2,4-difluoroaniline (DFA) were investigated using the zebrafish (Danio

Understanding wine sorption by oak wood: Modeling of wine uptake and characterization of volatile compounds retention.

Eduardo Coelho et al.

Food research international (Ottawa, Ont.), 116, 249-257 (2019-02-06)

Cooperage wood is a porous material and beverages exchange compounds with it by penetrating into its pores. This work demonstrates the enrichment of wood with wine during ageing. Three oak varieties were cut into different sized chips and immersed in

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