Flavor/Aroma Compounds

Question 1

Flavor/Aroma:
Acetaldehyde

Answer 1

Green apple, latex paint, squash pumpkin

Question 2

Flavor/Aroma:
Isobutyraldehyde

Answer 2

Raw grain, “green” malt, nutty, grainy

Question 3

Flavor/Aroma:
Trans-2-Nonenal

Answer 3

Wet paper, cardboard, cucumber, waxy/lipstick

Question 4

Flavor/Aroma:
Ethyl Acetate

Answer 4

Low-moderate (appropriate): “fruity”, apple, pineapple, black currant, perfumy
Moderate-high (inappropriate): mail polish remover, solvent, sharp, musty

Question 5

Flavor/Aroma:
Ethyl Butyrate

Answer 5

Tropical fruit, fruity, pineapple, cognac

Question 6

Flavor/Aroma:
Isoamyl Acetate

Answer 6

Banana, circus peanuts, pear drops

Question 7

Flavor/Aroma:
Acetic acid

Answer 7

Vinegar, sour, sharp

Question 8

Flavor/Aroma:
Butyric acid

Answer 8

Baby vomit, rancid, spoiled milk

Question 9

Flavor/Aroma:
Isovaleric Acid

Answer 9

Aged cheesy, rancid cheesy, gym socks

Question 10

Flavor/Aroma:
Lactic Acid

Answer 10

Sour, tart, yogurt

Question 11

Flavor/Aroma:
4-Ethylphenol

Answer 11

Bandaid, barnyard, horsey, horse blanket, woody, “funky”

Question 12

Flavor/Aroma:
4-Vinyl Guaiacol

Answer 12

Clove, spicy, herbal

Question 13

Flavor/Aroma:
Chlorophenol

Answer 13

Mouthwash, antiseptic, band-aid, adhesive tape, disinfectant, medical, dentist office

Question 14

Flavor/Aroma:
Vanillin

Answer 14

Vanilla, cream soda, ice cream, custard

Question 15

Flavor/Aroma:
Catty - 4MMP

Answer 15

Ribes, black currant, box tree, cat urine

Question 16

Flavor/Aroma:
DMS - Dimethyl Sulfide

Answer 16

Cream corn, cooked/canned tomato, vegetable

Question 17

Flavor/Aroma:
H2S - Hydrogen Sulfide

Answer 17

Rotten eggs, boiled eggs

Question 18

Flavor/Aroma:
3MBT - lightstruck

Answer 18

Skunky, fresh coffee

Question 19

Flavor/Aroma:
Mercaptan - Methanethiol

Answer 19

Rotten vegetables, drain pipe, sulphury, rotting garbage

Question 20

Flavor/Aroma:
Sulfur Dioxide - SO2

Answer 20

Struck match

Question 21

Flavor/Aroma:
Diacetyl

Answer 21

Buttery, butterscotch, movie theater buttered popcorn. Slick mouthfeel

Question 22

Flavor/Aroma:
Damascenone

Answer 22

Black tea, tobacco, red wine

Question 23

Flavor/Aroma:
Geosmin/Earthy - ethyl fenchol

Answer 23

Damp, freshly dug soil

Question 24

Flavor/Aroma:
Metallic - ferrous sulphate

Answer 24

Metal, copper, Penny, blood, iron

Question 25

Flavor/Aroma:
Cork Taint - TCA, trichloranisole

Answer 25

Mold, damp cellar, wet dog

Question 26

Flavor/Aroma:
Autolysis

Answer 26

Meaty, sulfury, muddy, marmite, umami, rancid, burnt rubber

Question 27

Flavor/Aroma:
Astringent/tannic

Answer 27

Dry puckering mouthfeel sensation