A Guide to the Use of Pre-Isomerized Hop Pellets, Including Aroma Varieties

By David Tylor, P.M. Humphrey, B. Yorston, R. J. H. Wilson, T. R. Roberts, and Biendl Ushers of Trowbridge, Trowbridge, Wiltshire, United Kingdom. S.S. Steiner, Inc. Yakima, WA. Steiner Hops, Ltd., Essex, United Kingdom. 4HHV, m.b.H., Mainburg. This paper was originally presented at the MBAA 112th Anniversary Convention, Keystone, Colorado, 1999.

Abstract
The use of modern hop products requires careful consideration and certain aspects can only be determined by practical application in specific products and in the brewing plant pertinent to individual companies and their intrinsic operating procedures. Some practical guidelines are presented that have been found to be valuable in maintaining product consistency and ease of use for pre-isomerized hop pellets including the use of products derived from hop varieties usually regarded for use as aroma hops (with consequent gain of bittering potential from the utilized alpha acids of these aroma varieties).
Keywords: preisomerized hop pellets, hop utilization, preceived bitterness  

Sintesis
SINTE �SIS El uso de los modernos productos con l�pulo requieren de consid-eraci�n cuidadosa y ciertos aspectos solo pueden ser determinados mediante la aplicaci�n pr�ctica en productos espec�ficos y en la plan-ta de elaboraci�n de la cerveza pertinentes a las compa��as individ-uales y sus procedimientos de operaci�n intr�nsecos. Aqu� se presentan algunas directrices pr�cticas que se ha visto ser valiosas en el mantenimiento de la consistencia del producto y f�ciles de usar para las bolitas de l�pulo preisomerizadas incluyendo el uso de productos derivados de variedades de l�pulo que son usualmente considerados para el uso como l�pulos de aroma (con la ganancia subsecuente del potencial de amargura procedente de los �cidos alfa de estas variedades de aroma utilizados).