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Table 1 Volatile constituents of A. placomyces and A. pseudopratensis (% of the total ion current, GC-MS)*

From: GC-MS studies of the chemical composition of two inedible mushrooms of the genus Agaricus

Compound

A. placomyses(%)

A. pseudopratensis(%)

Alcohols and phenols

  

Phenol

41.5

81

Benzyl alcohol

-

tr

Aldehydes

  

Hexanal

0.9

-

2-decenal (90)

0.2

-

2,4-decadienal

<0.1

-

Undecenal (95)

0.5

-

Ketones

  

2-undecanone

0.2

-

Acids

  

Acetic acid

1.7

-

Hydroxy acetic acid

0.3

-

Pentadecanoic acid (93)

0.3

-

Hexadecanoic acid

4.5

5.5

Hexadecanoic acid – isomer

1.1

 

9,12-Octadecadienoic acid (linoleic acid)

2.2

9.0

9-Octadecanoic acid (oleic acid)

3.7

-

Ethers

  

Hydroquinone monopropyl ether (95)

3.3

-

Estres

  

Acetic acid phenyl ester

0.5

-

Tetradecanoic acid ethyl ester

0.2

-

Hexadecanoic acid ethyl ester

5.1

8.4

Octadecanoic acid ethyl ester 18:0 (98)

0.5

1.2

Octadecenoic acid ethyl ester 18:1

1.1

-

9,12-Octadecadienoic acid ethyl ester (89)

10.1

-

Terpenoids

  

Squalene

0.4

-

  1. *The ion current generated depends on the characteristics of the compound concerned and is not a true quantification.
  2. ** In parenthesis: extent of matching (as a percentage) of MS data with the literature values, where the matching is not 100%