Chapter Two - Wine Faults

Question 1

What compound is the root cause of cork taint?

Answer 1

TCA

Question 2

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

Answer 2

Musty, moldy odor

Question 3

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

Answer 3

Butryic acid

Question 4

What faulty wine aroma can be caused by incomplete malolactic fermentation?

Answer 4

Geranium fault

Question 5

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

Answer 5

Maderized

Question 6

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

Answer 6

Volatile acidity

Question 7

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

Answer 7

Medicinal, band aid like

Question 8

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

Answer 8

Mercaptan

Question 9

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

Answer 9

Nail polish remover

Question 10

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

Answer 10

Sulfur Dioxide

Question 11

What wine fault is often described as similar to rotten eggs

Answer 11

Hydrogen Sulfide

Question 12

What off-odor is caused by acetic acid

Answer 12

Vinegar

Question 13

What wine odor can occur as a result of prolonged contact with dead yeast cells?

Answer 13

Leesy

Question 14

What wine fault can occur as a result of sulfur compounds?

Answer 14

Mercaptan

Question 15

What what fault can occur as a result of an excess of Brettanomyces?

Answer 15

Sweaty or horsy odor

Question 16

What compound is responsible for cork tain?

Answer 16

TCA

Question 17

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

Answer 17

Nail polish remover

Question 18

What wine fault may be caused by lactic acid bacteria interacting with sorbic acid?

Answer 18

Geranium fault

Question 19

TCA is noticeable at very _______ concentrations, with most people able to detect it at a level of ________.

Answer 19

• Low

- 2 to 7 parts per trillion

Question 20

What wine fault can lead to the aroma of rotten eggs

Answer 20

Hydrogen sulfide

Question 21

What wine faults are the result of Sulfur?

Answer 21

• smell of burnt matches
• mercaptan
• smell of rotten eggs

Question 22

A highly volatile acid, often found in vinegar

Answer 22

Acetic Acid

Question 23

This wine fault often smells like nail polish remover

Answer 23

Ethyl acetate

Question 24

The most likely cause of a wine that has an unpleasant aroma of Band Aids, as well as a sweaty or “horsy” odor

Answer 24

Brett

Question 25

Caused by 2,4,6 -Trichloranisole

Answer 25

Cork taint

Question 26

Bacteria that can turn wine into vinegar

Answer 26

Acetobacter

Question 27

Provides “oxidized” aromas to Sherry

Answer 27

Acetaldehydes

Question 28

Conditions that lack oxygen

Answer 28

Reduction/Reductive