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33 Cards in this Set
- Front
- Back
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Which alcohol has bonafide sweetness?
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glycerol
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Which of the following is NOT a true statement?
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Sugar, in the form of sussreserve, is added to stuck fermentations to insure that the finished wine has some residual sugar.
Correct! This is a false statement. If the fermentation is stuck, there will end up being residual sugar in the wine as is. No need to add more in the form of sussreserve. |
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How does tannin taste?
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bitter
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What are the three grape acids?
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Tartaric, malic, citric
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Which of the following statements is TRUE?
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Riper berries have more phenolics.
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A red wine with low pH will have...
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Red highlights
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What are wine's four fundamental structural components?
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Acid, sugar, phenolic compounds, alcohol
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What is the primary product of fermentation?
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Ethyl Alcohol
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What is an aldehyde?
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An oxidized alcohol
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What percentage of the grape is sugar at harvest?
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15-25%
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The smallest amount of stimulus needed to create an identifiable sensation is known as...
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Recognition threshold
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What is the purpose of chaptalization?
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To provide unripe grapes enough fermentable sugar to achieve a stable alcohol level in the finished wine.
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Which acid does the vine metabolize during respiration?
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malic
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What does malic acid taste like?
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green apples
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When are biochemical esters formed?
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During fermentation.
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What increases the solubility of phenolic compounds in wine?
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The solubility of phenolic compounds increases when they are attached to sugar molecules.
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Which of the following grape varieties is NOT known for its high tannin content?
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sangiovese
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Which acid is rarely found in nature outside of the grapevine?
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Tartaric
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How much of wine is actually water?
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80-85%
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For most people, sweetness is perceived most strongly and most long-lastingly...
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At the tip of the tongue.
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If you intend to raise a barrel with subtle, smooth tannins, which coopering option/technique would you eliminate?
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Wide-grained oak
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For most people, sweetness is perceived most strongly and most long-lastingly...
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At the tip of the tongue.
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If you intend to raise a barrel with subtle, smooth tannins, which coopering option/technique would you eliminate?
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Wide-grained oak
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Which of the six primary acids found in wine is not a fixed acid?
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Acetic
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Which is NOT a true statement?
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Acetobacter converts malic acid into lactic acid.
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What is the pH range for wine?
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2.9-3.9
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Which of the following set of circumstances is likely to result in a stuck fermentation?
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C. Both A and B
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Which grape cluster component is NOT a source of tannin in the finished wine?
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Pulp
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Which of the following techniques will NOT result in a finished wine with residual sugar?
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Chaptalization
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Which is NOT a true statement?
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Glucose is sweeter than fructose.
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Which acid precipitates out as a wine is cold stabilized?
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Tartaric
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Which is NOT a true statement?
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The lower the pH, the softer the acids.
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Which barrel regimen will impart the least amount of tannin?
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10 months; 10-year-old barrel
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