Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Certified Specialist of Wine 2022 > Chapter One: Wine Composition and Chemistry > Flashcards

Chapter One: Wine Composition and Chemistry Flashcards

You may prefer our related Brainscape-certified flashcards:
WSET ® Level 1 Spirits flashcards Introductory Sommelier Exam (CMS) flashcards WSET ® Level 3 Spirits flashcards WSET ® Level 2 Wine flashcards WSET ® Level 1 Wine flashcards WSET ® Level 3 Wine flashcards Wine Appreciation flashcards WSET ® Level 2 Spirits flashcards WSET® Level 4 Wine flashcards
1
Q

Five major components of wine

A 
Water
Alcohol
Sugar
Acid
Phenolic compounds
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Acetic Acic

A

A highly volatile acid, often found in vinegar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Ethanol (Ethyl alcohol)

A

The main type of potable alcohol in wine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Malic acid

A

Acid reminiscent of green apples

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Tartaric acid

A

The acid most prevalent in both ripe grapes and wine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Wine diamonds

A

Tartaric acid crystals, another term for tartrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What do these lead to a drop in for grapes?

  • warm/hot conditions
  • the ripening phase (respiration)
  • over-ripe grapes
A

Malic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Lactic acid

A

Acid not found in grapes, but often produced during secondary (malolactic) fermentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Succinic acid

A

Acid that is both a minor component of grapes, and a by-product of normal alcohol fermentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the typical range of pH for most wines?

A

2.9-3.9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the two main fermentable sugars found in grapes?

A

Glucose

Fructose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the sugar remaining in a wine post-fermentation?

A

Residual sugar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the compounds that give red wine its color?

A

Anthocyanins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the yellow pigments found in white wines?

A

Flavonols (flavones)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the sources of tannin?

A

Grapes: seeds, skins, stems

Wood: oak barrels and other wood products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the compound found in red wine known for health benefits?

A

Resveratrol

17
Q

What is polymerization?

A

The process by which molecules (such as tannins) transform/combine into longer molecule chains

18
Q

What are aldehydes?

A

Oxidized alcohols

19
Q

What are esters?

A

Molecules that result from the joining of an acid and an alcohol

20
Q

What is oxidation?

A

Chemical reactions resulting from dissolved oxygen

21
Q

In the US, wines containing more than ___ ppm of sulfur dioxide must carry a warning label

A

10

Certified Specialist of Wine 2022 (46 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions