Table 1 Composition of the four odor test sets, including concentrations used and CAS numbers of the chemicals.

1

Isoamylacetat

Banana, pear

0.032

31,276

123-92-2

1

Cineol

Eucalyptus

0.5

2758

470-82-6

1

Geraniol

Fruity, rose

Pure

637,566

106-24-1

1

Methylsalicylat

Bubble gum, wintergreen

7.26

4133

119-36-8

1

trans-Anethol

Liquorice, anise

4.17

637,563

4180-23-8

1

Ethylacetat

Sweet, "pear drops"

10

8857

141-78-6

1

Propionic acid

Stinging, vinegar, acidic

0.041

1032

79-09-4

1

Eugenol

Clove

pure

3314

97-53-0

1

2-Nonanone

Fruity, cheesy

1

13,187

821-55-6

1

Indole

Sweet, unpleasant

0.161

798

120-72-9

2

Benzaldehyde

Marzipan, cherry, almond

0.015

240

100-52-7

2

Butyric acid

Rancid butter, parmesan cheese, vomit

0.001

264

107-92-6

2

p-Cresole

Livestock waste

0.018

2879

106-44-5

2

Guajacole

Band aid, sweet, creamy

2.09

460

90-05-1

2

(+)-Linalool

Lemon, lime

2.17

6549

126-90-9

2

(+)-Fenchone

Minty, camphor-like

pure

1,201,521

4695-62-9

2

HMHA

Sweaty

0.01

16,666,688

58,888-76-9

2

Amyl caproate

Banana, fruity

0.56

31,266

540-07-8

2

2, 3-Butandione

Butter, perspiration

3E-05

650

431-03-8

2

Citronellal

Lemon

0.014

7794

106-23-0

3

cis-3-Hexenol

Grass

0.002

5,281,167

928-96-1

3

1-Butanol

Cheese, sweat

pure

263

71-36-3

3

4-Ethyl octanoic acid

Goaty

pure

61,840

16493-80-4

3

β-ionone

Lilac

7.27

638,014

79-77-6

3

2-Methyl propanal

Wet cereal or straw

1E-06

6561

78-84-2

3

Terpinene-4-ol

Musty

pure

11,230/5,325,830

562-74-3

3

Isobutyric acid

Rancid butter

1

6590

79-31-2

3

4-Decanolid

Peachy

10

12,813

706-14-9

3

Citronellol

Lemony

17.85

8842

106-22-9

3

3-Methyl-3-sulfanylhexan-1-ol

Sweaty

0.01

10,130,039

307964-23-4

4

D-(+)-Limonene

Lemony

pure

440,917

5989-27-5

4

alpha-Pinene

Woody, pine, resinous

pure

440,968

80-56-8

4

Methional

Potato

0.001

18,635

3268-49-3

4

Benzyl acetate

Yasmin, fruity, ylang

1.55

8785

140-11-4

4

1-Octen-3-ol

Mushrooms

0.56

18,827

3391-86-4

4

trans-2-Hexenyl acetate

Fruity, apple, waxy

10

17,243

2497-18-9

4

L-Carvone (−)

Caraway

pure

439,570

6485-40-1

4

Beta-Caryophyllen

Peppery, spicy, resinous

pure

5,281,515

87-44-5

4

Heptanal

Fruity, sharp

1

8130

111-71-7

4

2-Butanone

Cheese

0.01

6569

78-93-3