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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which phenolic is responsible for giving red wine its color? |
Anthocyanins |
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Which Phenolics are astringent, bitter compounds found in skins, seeds, and stems? |
Tannins |
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What is An aromatic phenolic compound found in oak that imparts a vanilla scent to barrel aged wines? |
Vanillin |
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Name the 5 phenolic compounds |
Anthocyanins Flavonols Tannins Vanillin Resveratrol |
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Are Flavonals responsible for pigments in white or red wines? |
White |
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Which compound is formed when wine is exposed to air? |
Aldehydes |
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What is the most common aldehyde in wine? |
Acetaldehyde |
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At low concentrates I impart a fruity, flowery aroma; at high concentrates I burn the nostrils with the smell of nail polish remover. What compound am I? |
Ethyl acetate |
It's an ester! |
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Wine makers try to avoid air exposure by adding what to absorb any free oxygen in wine? |
Sulfer |
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Which is not a preservative: Sulfer Tannins Aldehydes |
Aldehydes |
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In the U.S. If a wine contains more than ______ parts per million of sulfur dioxide, it must be displayed on the label. |
10 |
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The chemical that is generated by A mold that can grow on and in bark of the cork oak tree, on wine making tools, or in the winery is what? |
Trichloroanisole (TCA) |
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True or false: White wines from sunnier climates will have a more muted color |
False |
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I process an acrid smell, or burnt matches to those less educated. What compound am I? |
Sulfur dioxide |
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I will bath in your wine for as long as I want, so when you drink the wine it smells of rotten eggs. What compound am I? |
Hydrogen sulfide |
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Hydrogen sulfide is a problem with wine with which closure type? |
Screw caps |
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As a result of a combination of sulfur and ethanol, an unpleasant aroma of garlic or onions prevails. Which compound is it? |
Mercaptan |
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Which bacteria smells like vinegar? |
Acetic acid |
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Which 2 bacterial can survive in the acid environment of of wine? |
Lactic bacteria Acetobacter |
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The smell of rancid butter or bad cheese come from which acid? |
Butyric acid |
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Lactic acid smells which animal? Wet dog Pig Cow Goat |
Goat |
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The smell of geraniums is caused by what? |
Incomplete malolactic fermentation |
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