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Wine Studies > CSW - Chapters 3 and 4 > Flashcards

CSW - Chapters 3 and 4 Flashcards

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1
Q

What are the five major categories of chemicals found in wine?

A
  1. Water
  2. Alcohol
  3. Acid
  4. Sugar
  5. Phenolic compounds
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2
Q

What percentage of wine is water?

A

80 to 90%.

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3
Q

What percentage of wine is alcohol?

A

10 to 15%

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4
Q

What four types of alcohol are produced when making wine?

A

Ethyl alcohol or ethanol
Glycerol
Methyl alcohol or methanol
Fusel oils or ‘higher alcohols’

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5
Q

What percentage of wine is acid?

A

Between 1/2 to 3/4 percent.

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6
Q

What are the six types of acid found in wine?

A
  1. Tartaric acid
  2. Malic acid
  3. Lactic acid
  4. Acetic acid
  5. Succinic acid
  6. Citric acid
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7
Q

What percentage of sugar does grapes usually contain at harvest?

A

15 to 28%.

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8
Q

What are the two types of sugars found in grapes?

A

Glucose

Fructose

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Wine Studies (3 decks)

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