VIEW ARTICLE    DOI: 10.1094/ASBCJ-35-0069

The Effect of Countercurrent Distribution Fractions of Hop Extracts on Beer Foam. Walter H. Fly and Etzer Chicoye, Miller Brewing Company, Milwaukee, WI 53201. J. Am. Soc. Brew. Chem. 35:0069, 1977.

This paper covers observations from the first stages of an investigation into the role of the iso-α-acids of hops in the structure of beer foam. Fractions obtained from a countercurrent distribution of water-soluble hop extracts were evaluated for their influence on foam stability. A surprising dual effect (suppressor-enhancer) of isohumulones upon foam was observed. The possibility of some suppressive effect of hop seed lipids upon beer foam is discussed.

Keywords: Fatty acids, Hop Lipids, Isohumulones.