• Ethylphenol (4-EP) is an organic compound with the formula C2H5C6H4OH. It is one of three isomeric ethylphenols. A white solid, it occurs as an impurity...
    5 KB (391 words) - 22:27, 31 May 2023
  • Ethylphenol may refer to: 2-Ethylphenol 3-Ethylphenol 4-Ethylphenol Ethyl phenyl ether (O-ethylphenol) This set index article lists chemical compounds...
    451 bytes (49 words) - 20:31, 12 March 2018
  • Thumbnail for 4-Ethylguaiacol
    by pyrolysis of lignocellulosic biomass. It is produced along with 4-ethylphenol (4-EP) in wine and beer by the spoilage yeast Brettanomyces. When it is...
    4 KB (307 words) - 05:30, 9 June 2022
  • Thumbnail for P-Coumaric acid
    Chemistry. 110 (4): 997–9. doi:10.1016/j.foodchem.2008.02.088. PMID 26047292. "Brettanomyces Monitoring by Analysis of 4-ethylphenol and 4-ethylguaiacol"...
    10 KB (816 words) - 14:47, 23 October 2022
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    contributing certain sensory characters to wine are; 4-ethylphenol: Band-aids, barnyard, horse stable, antiseptic 4-ethylguaiacol: Bacon, spice, cloves, smoky isovaleric...
    9 KB (1,025 words) - 13:57, 23 April 2024
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    castoreum. Several of these have pheromonal activity, of which the phenols 4-ethylphenol and catechol and the ketones acetophenone and 3-hydroxyacetophenone...
    10 KB (1,017 words) - 07:14, 30 April 2024
  • volatile solid. Upon contact with iron oxide at 500 °C, 4-ethylphenol undergoes dehydrogenation to give 4-vinyllphenol: C2H5C6H4OH → C2H3C6H4OH + H2 It is found...
    5 KB (350 words) - 23:06, 13 September 2022
  • reductase is an enzyme that catalyses the reaction : 4-vinylphenol + NAD+ + 3 H+ ⇔ 4-ethylphenol + NADH It is found in Brettanomyces bruxellensis, a yeast...
    2 KB (135 words) - 04:57, 18 July 2023
  • 4-Hydroxycinnamate decarboxylase is an enzyme that uses p-coumaric acid to produce 4-ethylphenol. p-Coumaric acid is the precursor of 4-ethylphenol produced...
    3 KB (236 words) - 17:41, 5 January 2024
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    the wood. They help protect the wine from oxidation and reduction. 4-Ethylphenol and 4-ethylguaiacol are produced during ageing of red wine in oak barrels...
    47 KB (5,582 words) - 20:52, 19 May 2024
  • The molecular formula C8H10O may refer to: Ethylphenols 2-Ethylphenol 3-Ethylphenol 4-Ethylphenol Ethyl phenyl ether Methoxytoluenes (methylanisoles) Methylenomycin...
    505 bytes (75 words) - 16:58, 11 April 2019
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    are spoilage aromas such as "medicinal" or "Band-Aid" (4-ethylphenol), "spicy" or "smoky" (4-ethylguaiacol), and rotten egg (hydrogen sulfide). Some...
    120 KB (11,467 words) - 03:29, 7 May 2024
  • Thumbnail for 2-Ethylphenol
    2-Ethylphenol is an organic compound with the formula C2H5C6H4OH. It is one of three isomeric ethylphenols. A colorless liquid, it occurs as an impurity...
    2 KB (105 words) - 16:04, 16 December 2023
  • Thumbnail for 3-Methylbutanoic acid
    Other compounds produced by Brettanomyces yeasts include 4-ethylphenol, 4-vinylphenol, and 4-ethylguaiacol. An excess of isovaleric acid in wine is generally...
    12 KB (1,037 words) - 12:29, 26 November 2023
  • 5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone 2-Ethyl-3-methylpyrazine 3-Ethylpyridine 4-Ethylbenzaldehyde 4-Ethylguaiacol 4-Ethylphenol (para-ethylphenol) Eucalyptol...
    23 KB (2,244 words) - 19:09, 15 January 2024
  • Thumbnail for Benzoyl-CoA
    and aromatic carboxylic acids. Benzoate, vanillin, anthranilic acid, 4-ethylphenol, p-cresol, phenol, aniline, terephthalic acid, [3-hydroxybenzoic acid...
    5 KB (351 words) - 17:13, 22 January 2024
  • Thumbnail for Wine chemistry
    to 4-vinylphenol via the enzyme cinnamate decarboxylase. 4-Vinylphenol is further reduced to 4-ethylphenol by the enzyme vinyl phenol reductase. 4-Ethylphenol...
    12 KB (1,256 words) - 19:28, 18 May 2024
  • Thumbnail for 3-Ethylphenol
    3-Ethylphenol is an organic compound with the formula C2H5C6H4OH. It is one of three isomeric ethylphenols. A colorless liquid, it occurs as an impurity...
    3 KB (224 words) - 11:45, 13 January 2024
  • Thumbnail for Naturally occurring phenols
    major component in pig odor. 4-Ethylphenol, 1,2-dihydroxybenzene, 3-hydroxyacetophenone, 4-methyl-1,2-dihydroxybenzene, 4-methoxyacetophenone, 5-methoxysalicylic...
    78 KB (7,807 words) - 06:47, 15 April 2024
  • Thumbnail for Clarification and stabilization of wine
    and adding a diacetyl butterscotch aroma. Brettanomyces yeasts add 4-ethylphenol, 4-ethylguaiacol and isovaleric acid horse-sweat aromas. These phenomena...
    15 KB (1,930 words) - 17:29, 27 April 2024
  • threshold and common sensory descriptors: 4-ethylphenol (>140 μg/L): Band-aids, barnyard, horse stable, antiseptic 4-ethylguaiacol (>600 μg/L): Bacon, spice...
    29 KB (3,568 words) - 12:29, 3 May 2024
  • Thumbnail for Yeast in winemaking
    "Brett") produces very distinctive aroma compounds, 4-Ethylphenol (4-EP) and 4-Ethylguaiacol (4-EG), that can have a wine being described as smelling...
    48 KB (6,015 words) - 23:07, 13 December 2023
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    arrived had a fecal odor, thought to be caused by the chemicals (4-methylphenol and 4-ethylphenol) used to manufacture boxes from recycled materials. Those chemicals...
    287 KB (27,580 words) - 15:53, 17 May 2024
  • Thumbnail for Benzofuran
    extracted from coal tar. It is also obtained by dehydrogenation of 2-ethylphenol. Benzofurans can be prepared by various methods in the laboratory. Notable...
    7 KB (395 words) - 21:29, 13 March 2024
  • needed] C7H8O Cresols, others 108.057515 C7H6O2 4-Hydroxybenzaldehyde, others 122.036779 C8H10O 4-Ethylphenol, others 122.073164 C7H8O2 Gastrodigenin, others...
    19 KB (54 words) - 21:21, 23 November 2022
  • Thumbnail for Aluminium phenolate
    for the alkylation of phenols with various alkenes. For example, the ethylphenols are generated commercially by treating phenol with ethylene in the presence...
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    Applied and Environmental Microbiology. 53 (4): 710–716. Bibcode:1987ApEnM..53..710S. doi:10.1128/AEM.53.4.710-716.1987. PMC 203742. PMID 3579279. Speight...
    95 KB (10,396 words) - 14:11, 18 May 2024
  • catalysts: C6H5OH + 2 CH3OH → (CH3)2C6H3OH + 2 H2O Typically, xylenols also ethylphenols, which have very similar physical properties. The physical properties...
    4 KB (320 words) - 19:29, 27 October 2022
  • Thumbnail for STIM1
    adherens junctions. 2-Aminoethoxydiphenyl borate (2-APB) and 4-chloro-3-ethylphenol (4-CEP) cause STIM1 clustering in a cell and prevent STIM1 moving...
    7 KB (866 words) - 22:44, 13 November 2023