Today in 1973, US Patent 3765903 A was issued, an invention of Brian Clarke, Robert Hildebrand, David Lance, and Alexander White, assigned to Carton and United Breweries Ltd, for their “Isomerised Hop Extract.” Here’s the Abstract:
A process for the preparation of an isomerised hop extract for use in the flavouring of food or beverages which comprises adding to a solution of humulones or their salts a metal ion of calcium, magnesium, nickel, manganese or zinc, which metal ion forms with the humulones a metal ion-humulone complex which then precipitates from the solution. The metal ion-humulone complex is then heated in solid or paste state or in suspension or dissolved in an organic solvent to form a metal ion-isohumulone complex in high yield. The metal ion-isohumulone complex is substantially insoluble and can be used as a bittering additive, without regeneration to a soluble salt of isohumulone, by finely grinding such metal ion-isohumulone complex.
Dear Jay,
I just had a preliminary look at Alphabetical List of Beer Gods & Goddesses and I am very impressed.
I have had a long history which includes historic design and I am currently leading a team on a mega job, a public attraction in UK which seeks to get across how man has thought over thousands of years. One of the stories will be about eating and drinking, what they ate and drank and what containers and vessels were used.
I have a dear friend who is a super garden designer and once when I visited her we went to the Irish Pub in Sonoma. I asked for a pint in one of the three dimpled pint glasses hanging over the bar. “You can’t have one of those they belong to various people”. So next time I visited I brought a jug from an old pub I drink in in England, The Bell. We have been drinking there for 500 years .When I left I said “Keep the glass and anyone can drink from it “.
Regards
Graham