Noah Sinclair
Many people have noticed that certain alcoholic drinks can have a taste or smell that is reminiscent of nail polish remover. This is due to the presence of ethyl acetate, which is a byproduct of ethanol reacting with acetic acid. Young or poorly distilled spirits tend to have more volatile alcohol forms like ethanol, which can give off a nail polish-like taste. Fermenting wine or beer at too high a temperature can also cause stressed yeast, resulting in off-flavors like ethyl acetate. While it may not be harmful to consume, the strong chemical smell and taste are usually considered undesirable and can ruin the drinking experience.
| Characteristics | Values |
|---|---|
| Alcohol types | Spirits, beer, wine |
| Alcohol quality | Cheap or poorly distilled spirits, beer, wine |
| Taste | Ethanol, acetone, acetic acid, aldehyde, ethyl acetate |
| Cause | Fermenting at too high a temperature, bacterial infection, yeast stress |
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What You'll Learn
- Ethanol in alcohol turns into acetic acid and aldehyde, which is toxic
- Poorly distilled or cheap alcohol contains more ethanol, leading to a nail polish taste
- Fermenting beer at too high a temperature can cause ethyl acetate to form, which smells like nail polish remover
- Wine can smell like nail polish remover due to vinegar fermentation caused by acetobacter
- Wine can also smell like nail polish remover due to high levels of volatile acidity
Ethanol in alcohol turns into acetic acid and aldehyde, which is toxic
Ethanol (CH3CH2OH) is the primary alcohol found in alcoholic drinks. When ethanol is broken down in the body, it turns into acetaldehyde (CH3CHO, ethanal), a toxic compound that can cause nausea and headaches, which is further oxidised into acetic acid (CH3COOH, ethanoic acid). This process is known as ethanol dehydrogenation and is catalysed by enzymes such as alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH).
Ethanol dehydrogenation occurs in two steps. Firstly, ethanol is adsorbed as ethoxy and then dehydrogenated to form acetyl species via aldehyde. Secondly, the acetyl species combine with another ethoxy species to produce ethyl acetate, which further breaks down into ethanoic acid or acetic acid. This process is essential for detoxifying the body by converting toxic acetaldehyde into non-toxic acetic acid.
The presence of ethanol and its breakdown products can contribute to the taste and smell of alcoholic beverages. Some people may perceive the taste of ethanol in alcohol as similar to nail polish remover, which often contains chemicals like acetone, ethyl acetate, or other types of alcohol. Young or poorly distilled spirits tend to have more volatile alcohol forms, like ethanol, which can give them a "turpentine/varnish/nail polish" taste. Higher-end alcoholic beverages tend to have a milder taste, as they are more refined and have fewer impurities.
The oxidation of ethanol to acetic acid also occurs naturally when bottles of wine or other alcoholic drinks are left open for an extended period. This process results in the formation of vinegar, which has a sharp smell and taste due to the presence of acetic acid.
While ethanol itself is not toxic, its breakdown product, acetaldehyde, is toxic and can cause adverse effects such as flushing syndrome, characterised by a red face and hangover-like symptoms. Additionally, the accumulation of acetaldehyde in the body can lead to hangover symptoms, including nausea and headaches. Therefore, it is crucial for the body to quickly metabolise acetaldehyde into the non-toxic compound acetic acid.
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Poorly distilled or cheap alcohol contains more ethanol, leading to a nail polish taste
The taste of nail polish remover in alcohol is due to the presence of ethanol, a type of alcohol distinct from the ethanol in alcoholic drinks. Poorly distilled or cheap alcohol tends to have higher levels of ethanol and other volatile alcohol compounds, resulting in a nail polish remover-like taste. This is especially true for young spirits, which can have a stronger concentration of ethanol.
Ethanol, when broken down by the body, turns into acetic acid and an aldehyde, both of which are toxic. This process may contribute to the association of the nail polish remover taste with poisoning or harsh effects. Additionally, the type of yeast and fermentation process can impact the ethanol content and, consequently, the taste of the alcohol.
Fermentation at too high a temperature can stress the yeast, leading to the production of ethyl acetate, a byproduct of yeast fermentation. This compound is commonly found in nail polish removers and can impart a similar taste to the alcohol. The smell and taste of ethyl acetate are more noticeable during fermentation and may diminish over time as the wine is racked and treated.
The presence of acetobacter, or vinegar-making bacteria, during wine fermentation can also lead to the formation of acetic acid, resulting in a nail polish remover-like smell and taste. This is more likely to occur when fermenting wine at warmer temperatures, as the bacteria thrive in these conditions.
It is worth noting that while the taste of nail polish remover in alcohol may be off-putting to some, it is not necessarily harmful. However, consuming alcohol with higher levels of ethanol and other volatile compounds can lead to a more intense drinking experience, which some may find unpleasant.
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Fermenting beer at too high a temperature can cause ethyl acetate to form, which smells like nail polish remover
The taste of alcohol varies depending on the type of alcoholic drink. Some people associate the taste of alcohol with that of nail polish remover. While this is not a typical comparison, it is not uncommon.
Nail polish removers contain acetone or, in some cases, ethyl acetate. Ethyl acetate is a byproduct of yeast during fermentation, which is usually cleaned up. However, if fermentation occurs at too high a temperature, ethyl acetate can form and intensify, resulting in a "solventy" or "perfumy" smell and taste. This off-flavor is undesirable and can negatively impact the drinking experience.
Fermentation temperatures play a crucial role in the formation of ethyl acetate. An increase in temperature from 50°F to 77°F (10°C–25°C) has been found to increase the concentration of ethyl acetate from 12.5 to 21.5 mg/L. This temperature range is commonly used for brewing and can heighten the production of ethyl acetate.
It is important to note that the perfect fermentation temperature depends on the type of yeast used. Some yeasts, such as US05, have a broad working range, while others may be more sensitive to temperature variations. Controlling the fermentation process, especially in the initial days, is essential to managing the concentration of ethyl acetate and preventing off-flavors.
While the formation of ethyl acetate due to high fermentation temperatures is a common issue, there are other potential causes as well. These include the use of non-food grade plastic and vinyl, which can leech into the beer, as well as contamination or bacterial infections during the fermentation process.
In summary, fermenting beer at too high a temperature can promote the formation of ethyl acetate, resulting in an unpleasant nail polish remover taste. Brewers aim to control ethyl acetate levels to ensure a positive drinking experience for consumers.
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Wine can smell like nail polish remover due to vinegar fermentation caused by acetobacter
Wine can sometimes smell like nail polish remover, which is primarily composed of acetone. This smell is caused by the presence of ethyl acetate, which is produced when ethanol reacts with acetic acid. This reaction is catalysed by the bacteria acetobacter, which is commonly found in the environment, including on grapes and wine-making equipment, and can contaminate wine during the fermentation process.
Acetobacter bacteria can convert ethanol in wine into acetic acid, leading to an increase in the wine's acidity and the formation of ethyl acetate, resulting in a nail polish remover-like odour. This process is known as vinegar fermentation, and it occurs more frequently when wine is fermented at elevated temperatures above 75°F (24°C). During fermentation, stressed yeast can also produce ethyl acetate, contributing to the undesirable nail polish remover aroma.
The smell of nail polish remover in wine is indicative of a high level of volatile acidity, which is generally considered a fault. However, at lower concentrations, volatile acidity can impart pleasant fruity aromas, such as raspberry, passion fruit, or cherry, to the wine.
It is important to note that while the presence of ethyl acetate may make the wine unpalatable, it is typically safe to consume. However, if the wine has been contaminated with acetobacter, it may be challenging to salvage the batch and prevent vinegar formation.
To summarise, wine can occasionally exhibit a nail polish remover-like odour due to vinegar fermentation caused by acetobacter bacteria, which convert ethanol to acetic acid, producing ethyl acetate as a byproduct and resulting in an unpleasant aroma.
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Wine can also smell like nail polish remover due to high levels of volatile acidity
Wine, beer, and spirits can sometimes taste or smell like nail polish remover. This is caused by the presence of ethyl acetate, which is produced when yeast undergoes stressful fermentation due to high temperatures. This compound is the ester result of ethanol reacting with acetic acid.
Acetic acid builds up in wine when there is excessive exposure to oxygen during the winemaking process, usually due to contamination by acetobacter, or vinegar-making bacteria. This bacteria can come from various sources, including the grapes, equipment, or the surrounding environment. While high levels of volatile acidity can be off-putting to most people, some individuals are more sensitive and will detect even smaller amounts in wine.
It is important to note that while the smell of nail polish remover in wine may indicate the presence of volatile acidity, it can also be a sign of other issues, such as improper fermentation temperatures or bacterial infections.
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Frequently asked questions
The ethanol in alcohol turns into acetic acid and aldehyde when broken down, which is toxic and similar to nail polish remover.
Younger or poorly distilled spirits tend to have more volatile alcohol forms like ethanol, which can give a nail polish taste. Vodka, tequila, and other spirits will likely have this taste.
Wine that has been exposed to too much oxygen during the winemaking process can accumulate acetic acid, which can smell like nail polish remover. Wine that has been fermented at too high a temperature can also cause this smell.
Higher-end alcohols tend to have a milder taste. If you want to drink for the inebriating effect, you can try a higher-end spirit like Grey Goose or Kraken rum and mix it with something sweet like Coke.
