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2,4,6-Trichloroanisole (TCA) - WineFrog - Wine terms ...
    Oct 18, 2015 · 2,4,6-Trichloroanisole (TCA) is a chemical compound primarily responsible for cork taint. Naturally occurring in wood, wine, water, soil, vegetables, fruit and cork, TCA is produced when airborne fungi and bacteria combine with chlorinated phenolic compounds, creating an anisole derivative.

Citric Acid Viticulture and Enology
    Apr 03, 2018 · The most important significance associated with citrate fermentation is the production of diacetyl. The lactic acid bacteria, Oenococcus oeni is used during malolactic fermentation for the deacidification of wine during which the metabolism of diacetyl occurs. The biosynthesis of diacetyl is dependent on the citric acid metabolism.

Trichloroanisole (TCA) cork taint molecule. Produced by ...
    Produced by fungi and bacteria, responsible for cork taint in bottled wine. Trichloroanisole (TCA) cork taint molecule. Produced by fungi and bacteria, responsible for cork taint in bottled wine.

Everything You Ever Wanted to Know About Cork Taint Wine ...
    Aug 20, 2020 · TCA can also occur when sodium hypochlorite (bleach) reacts with lignin, a naturally occurring wood compound. This creates a compound called …

Wine Flaws: Cork Taint and TCA Wine Spectator
    Jan 09, 2007 · TCA stands for 2,4,6-trichloroanisole, a chemical so powerful that even in infinitesimal amounts it can cause musty aromas and flavors in wines. The compound forms through the interaction of plant phenols, chlorine and mold.

Trichloroanisole: Cork taint Podcast Chemistry World
    One of the two main causes of a wine being contaminated with cork taint is the chemical 2,4,6-trichloroanisole, or TCA for short. It’s created when airborne fungi and chlorinated phenolic compounds ...

TCA analysis - The Australian Wine Research Institute
    In most cases of cork taint investigated, TCA has been shown to be the compound responsible for the musty odour. When contamination in wines has been derived from contaminated oak products (both barrels and chips), both TCA and TeCA, sometimes in combination, have …

Winery Cleaning and Sanitation - Texas A&M AgriLife
    TCA can become systemic in a winery by accumulating in wooden structures (beams, barrels, etc), drain pipes, rubber hoses and exposed bentonite. Affected rubber hoses and bentonite then become a means of “inoculating” wine or water that contacts it.

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