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In wine and beer, 4-EP is produced by the yeast Brettanomyces. At concentrations greater than 140 μg/L (typical sensory threshold) it gives the wine aromas described as barnyard, medicinal, band-aids, and mousy. In certain Belgian beer styles, a high 4-EP level may be desirable; however, very high levels of the compound in wine can render it ...
A wine with too much suspended matter will appear cloudy and dull, even if its aroma and flavor are unaffected; wines therefore generally undergo some kind of clarification. [ 1 ] Before fermentation , pectin -splitting enzymes and, for white wine, fining agents such as bentonite may be added to the must in order to promote the eventual ...
Proteins are present in wine. The most common proteins include thaumatin-like proteins and chitinases and have a role in the formation of turbidity (haze) [1] especially visible in white wine. [2] The quantity of haze forming is dependent on the quantity of phenolics in the wine. [3] Some of those proteins are considered nuisance.
The quality of wine that gives it its crispiness and vitality. A proper balance of acidity must be struck with the other elements of a wine, or else the wine may be said to be too sharp – having disproportionately high levels of acidity – or too flat – having disproportionately low levels of acidity.
High-elevation wines “High-altitude vineyards and low-altitude vineyards…produce wines with distinctly different characteristics, shaped by their unique terroir,” says winemaker Jamie Kutch ...
First, a word about cause versus risk. On a cellular level, alcohol is carcinogenic due to the ways it damages cells. When it comes to a whole person, alcohol is one of many factors — which also ...
Most adults in the United States drink alcohol, but there is steadily growing public concern about the health effects of moderate drinking. The latest science supports those concerns, but two ...
Wine is a complex mixture of chemical compounds in a hydro-alcoholic solution with a pH around 4. The chemistry of wine and its resultant quality depend on achieving a balance between three aspects of the berries used to make the wine: their sugar content, acidity and the presence of secondary compounds.