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Wine Making & Grape Growing Forum > Wine Making > General Wine Making Forum > For the experts "fusel" alcohol

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Old 07-02-2012, 08:39 AM   #1
Sammyk
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What do the experts know about "fusel" alcohol? How likely is the wine to have off tastes?

 
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Old 07-02-2012, 12:45 PM   #2
Geronimo
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Fusel alcohol has more than 2 carbon atoms attached (ethanol has 2). It's thought to contribute to hangovers, and has been described to taste like kerosene. Typically, a warmer fermentation increases the production of fusels but lots of other things might cause fusels. Maintaining an optimal fermentation temp is the only way to control fusels in wine and beer. For clear liquors, the fusels are discarded as part of the "tails" of the distillation run. Certain whiskeys require some fusels as part of the flavor profile.

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Old 07-02-2012, 03:57 PM   #3
seth8530
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Some one please fact check me on this one. But isnt ester production also temperature dependent?

 
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Old 07-03-2012, 05:47 AM   #4
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Quote:
Originally Posted by seth8530 View Post
Some one please fact check me on this one. But isnt ester production also temperature dependent?
Yes, and very dependent on the yeast strain as well. When a kit has a recommended temp, they are mainly targeting low fusels and an ester profile from the supplied yeast.

 
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Old 07-03-2012, 02:21 PM   #5
MalvinaScordaad
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In the 80's we did see some fusels in red wine as a result using commercial yeasts and little or no nutrition with low LANC grapes.
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Old 07-03-2012, 02:38 PM   #6
Sammyk
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Did/does it effect the taste?

 
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Old 07-03-2012, 03:51 PM   #7
MalvinaScordaad
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Quote:
Originally Posted by Sammyk View Post
Did/does it effect the taste?
To me it is poorly made wine that is undrinkable. However based on some of the posters here they will drink anything. So your question is hard to answer. For example one fellow wanted to know if his batch was ruined because it smelled like nail polish. Seriously would you drink a wine that smelled like nail polish?
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Old 07-03-2012, 04:00 PM   #8
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Quote:
Originally Posted by MalvinaScordaad View Post
To me it is poorly made wine that is undrinkable. However based on some of the posters here they will drink anything. So your question is hard to answer. For example one fellow wanted to know if his batch was ruined because it smelled like nail polish. Seriously would you drink a wine that smelled like nail polish?
Malvina
Well, if a wine that smells like rotten eggs and (to the inexperienced) seemingly undrinkable can be "fixed", what is so bad about an inexperienced person asking if a wine that smells like nail polish might also be fixed?

Key words here are "inexperienced person".
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Old 07-03-2012, 04:09 PM   #9
Sammyk
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It does not smell like nail polish or rotten eggs. It smells and tastes like young wine with a lot of alcohol, really no different then the many others I have made. ABV from SG and FG is 12%. Time will tell.

 
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Old 07-03-2012, 04:11 PM   #10
Deezil
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What causes the nail polish smells? Is that one of the fusels you're all conversing about?
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