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A wine fault is a sensory-associated (organoleptic [1]) characteristic of a wine that is unpleasant, and may include elements of taste, smell, or appearance, elements that may arise from a "chemical or a microbial origin", where particular sensory experiences (e.g., an off-odor) might arise from more than one wine fault. [2] Wine faults may ...
Chemical structure of 2,4,6-trichloroanisole (TCA), the compound primarily responsible for cork taint. Cork taint is a broad term referring to an off-odor and off-flavor wine fault [1] arising from the presence of 2,4,6-trichloroanisole (TCA), a chemical compound that represents one of the strongest off-flavors, and one "generated naturally in foods/beverages", in particular wines, that ...
Most techniques of manipulation arose from need. Early wine had many wine faults that caused a wine to spoil quickly. Classical writings from the Greeks and Romans detailed recipes that could cure "sick wines". These include adding various items like milk, ground mustard, ashes, nettles, and lead.
It is a common fault in incompetently made natural wines, and usually detected on the finish, as it needs a drinker’s saliva to raise the pH and activate the aromas “retro-nasally.”
Kilju intended for direct consumption is usually clarified and stabilized to avoid wine faults. It is a flax -colored alcoholic beverage with no discernible taste other than that of ethanol . It can be used as an ethanol base for drink mixers .
Alternative wine closures are substitute closures used in the wine industry for sealing wine bottles in place of traditional cork closures. The emergence of these alternatives has grown in response to quality control efforts by winemakers to protect against " cork taint " caused by the presence of the chemical trichloroanisole (TCA).
2,4,6-trichloroanisole, the chemical primarily responsible for cork taint in wines. A wine fault or defect is an unpleasant characteristic of a wine often resulting from poor winemaking practices or storage conditions, and leading to wine spoilage. Many of the compounds that cause wine faults are already naturally present in wine but at ...
Malolactic fermentation can aid in making a wine "microbiologically stable" in that the lactic acid bacteria consume many of the leftover nutrients that other spoilage microbes could use to develop wine faults. However, it can also make the wine slightly "unstable" due to the rise in pH, especially if the wine already was at the high end of ...