ethyl phenylacetate

Technical specification

Assessment

The best way to evaluate honey flavour in beer is as follows. Cover the beer with your hand and swirl the glass to release the aroma. Remove your hand and take a single long sniff. Repeat as necessary.

Amount of flavour per capsule

480 µg per capsule

Threshold

The flavour threshold of ethyl phenylacetate in beer is 160 µg / l.

Origins

Ethyl phenylacetate is formed during ageing of beer. It tends to develop after the appearance of papery, tobacco and leathery notes, and after the loss of banana and bitter notes.

Confusions

• Not yet known

Importance

Ethyl phenylacetate off-flavour formed during ageing in pack from precursors which are formed during fermentation. It is a positive flavour note in Honey beers.

CAS registry number

The CAS registry number of ethyl phenylacetate is 101-97-3.

Other names

• benzene acetic acid ethyl ester
• ethyl 2-phenyl ethanoate
• ethyl 2-phenylacetate
• ethyl alpha-toluate
• ethyl benzene acetate
• ethyl phenyl ethanoate
• phenyl acetic acid ethyl ester
• alpha- toluic acid ethyl ester

Remarks

Ethyl phenylacetate is also responsible for the sweet, honey-like off-flavours which develop in some white wines. This flavour note is slow to develop on the palate.

Threshold distribution

Capsules per pot

10

Legal notices

This product is protected by the following trade marks and patents:

• US Patent no. D679900
• European Community Trade Mark
  Registration no. 009937574
• European Community Trade Mark
  Registration no. 009856527
• US Trade Mark Registration no. 4345057
• US Trade Mark Registration no. 4345056