Chapter 2 - Faults Flashcards

1
Q

Most likely source of Acetic acid

A

Bacteria

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

Most likely source of pronounced odor of lees

A

Yeast

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

Most likely source of Acetaldehyde

A

Oxidation

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

Most likely source of Mercaptan

A

Sulfur

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

Most likely source of Cork Taint

A

Mold

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

Most likely source of Ascensence

A

Bacteria

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

Most likely source of Butyric acid

A

Bacteria

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

Most likely source of Browning

A

Oxidation

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

Most likely source of Brettanomyces

A

Mold

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

Most likely source of Geranium

A

Bacteria

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

What compound is the root cause of cork taint?

A

2, 4, 6 Trichloroanisole

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

What specific terms can be used to describe the aroma of a “corked” wine?

A

Musty, moldy, dank basement

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

What substance can cause a wine to smell like rancid butter?

A

Butyric Acid

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

What faulty wine aroma can be caused by incomplete MLF?

A

Geranium

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

What is the term used to describe a wine that has a cooked or baked odor?

A

Maderized

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

What wine fault is typically caused by high amounts of both acetic acid and ethyl acetate?

A

Ascensence

17
Q

What specific terms can be used to describe a wine with an excess of Brett?

A

Horsey, sweaty, band-aid like, medicinal

18
Q

What substance can cause a wine to smell like onions or garlic?

A

Mercaptan

19
Q

What aroma can be caused by an excess of ethyl acetate?

A

Nail polish remover

20
Q

What wine fault is often described as similar to rotten eggs?

A

Hydrogen Sulfide

21
Q

What wine fault can be described as having the aroma of burnt matches?

A

Sulfur Dioxide

22
Q

What off-odor is caused by acetic acid?

A

Vinegar

23
Q
Which of the following wine odors can occur as a result of prolonged contact with dead yeast cells? 
A. Ethyl acetate
B. Leesy
C. Geranium
D. Onions or garlic
A

Leesy

24
Q
Which of the following wine faults can occur as a result of sulfur compounds? 
A. Butyric Acid
B. Oxidation
C. Lactic Acid
D. Mercaptan
A

Mercaptan

25
Q
Which of the following wine faults can occur as a result of an excess of Brettanomyces?
A. Sweaty or horsey odor
B. Citric or lemony aroma
C. Rancid butter or spoiled cheese odor
D. Vinegar odor
A

Sweaty or horsey odor

26
Q
Which of the following compounds is responsible for cork taint? 
A. Acetic Acid
B. 2, 4, 6 Trichloroanisole
C. Butyric Acid 
D. Hydrogen sulfide
A

2, 4, 6 Trichloroanisole

27
Q
What aroma can be caused by an excess of ethyl acetate? 
A. Geranium
B. Wet cardboard
C. Vinegar
D. Fingernail polish remover
A

Fingernail polish remover

28
Q
Which of the following wine faults may be caused by lactic acid bacteria interacting with sorbic acid? 
A. Wet cardboard
B. Oxidized
C. Geranium
D. Brett
A

Geranium

29
Q
TCA is noticeable at very \_\_\_ concentrations, with most people able to detect it at the level of \_\_\_. 
A. Low, 2-7 ppt
B. Low, 100-120 ppt
C. High, 2K-5K ppm
D. High, 10K-20K ppm
A

Low, 2-7 ppt

30
Q
What wine fault can lead to the aroma of rotten eggs? 
A. Brettanomyces
B. Hydrogen Sulfide
C. Ethyl Acetate
D. Mercaptan
A

Hydrogen Sulfide