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INDUSTRIE DELLE BEVANDE Vol. 45

 

JULY/AUGUST

CONTENTS

 

 

Espresso, moka, neapolitan and american coffee brews.
Part 2: effect of human saliva and sip volume of coffee brews on the release of key volatile compounds by a retronasal aroma simulator

A. Genovese - N. Caporaso - A. Civitella - R. Sacchi

The influence of human saliva and sip volume on retronasal aroma release in coffee brew was studied. 24 aroma compounds of coffee brew were monitored and quantified in four different coffee brews (espresso, moka, Neapolitan and American). The four coffee brews showed a different partition of aroma compounds when coffee brew comes into contact with saliva, probably due to their different chemical composition. A significant influence of coffee sip volume on aroma headspace was also observed in espresso coffee. Particularly, an increase was obtained for some aldehydes assuming 25 mL coffee in one sip, while when smaller sips (10 mL) were considered, the aldehyde release decreased and the levels of beta-damascenone and 4-vinylguaiacol increased. The different aroma release could not be attributed to direct action of salivary constituents, but rather to the modification of volatile partition into the different phases of coffee brew caused by the presence of saliva.

 

264: 3

DEPARMENTS

 

 

Reportages

 

264: 14

Machines & Equipment

 

264: 22

Containers & Closures

 

264: 34

Products

 

264: 36

Nutrition

 

264: 44

Energy & Sustainability

 

264: 46

Marketing

 

264: 52

Laws

 

264: 58

News

 

264: 72

Diary

 

264: 78

Books

 

264: 86

Advertisers’ List & Companies’ Address

264: 88

 

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