11. Wine Components

Question 1

Name the 7 components of wine

Answer 1

water, alcohol, acids, wine aromatics, residual sugar, glycerol, phenolics

Question 2

what does ethanol alcohol contribute to wine?

Answer 2

sense of sweetness, bitterness, oral warmth, fullness of body, mouthfeel.

Question 3

which are the most abundant acids in wine? What do they contribute?

Answer 3

Tartaric and malic

contribute to the structure of the wine. High acid makes wine seem leaner, excessive acid makes wine tart, lack of acid makes wine flabby

Question 4

what are the 4 sources of wine aromatics?

Answer 4

aromas from grapes,
aromas from fermentation due to precursors,
aromas from fermentation and it’s by-products,
aromas from other sources

Question 5

what are esters?

Answer 5

aroma from fermentation, responsible for many fresh and fruity aromas, essential in aroma profile of young wines

Question 6

what is acetaldehyde?

Answer 6

forms due to oxygenation of ethanol. masks fresh fruit aromas, smells stale

Question 7

what is diacetyl?

Answer 7

MLF- contributes buttery aroma

Question 8

What are the general classifications of residual sugar?

Answer 8

dry, med-dry, med or med-sweet, sweet

Question 9

what does glycerol contribute?

Answer 9

smoothness to texture of wine, has slightly sweet taste

Question 10

Phenolics….?

Answer 10

???