Patent ID: 7989014
Filing Date: 2011-08-02
Classification: A23C,A23G,A23L,C12C

Abstract:
1. A method of manufacturing a hop containing beverage that is resistant to light induced flavour changes, said method comprising introducing into said beverage a light stabilising composition containing at least 0.5% by weight of dry matter, of pyrazine derivatives according to formula (I): wherein R1-R4 independently represent hydrogen; a hydroxyhydrocarbyl residue; an ester of a hydroxyhydrocarbyl residue; or an ether of a hydroxyhydrocarbyl residue, said hydroxyhydrocarbyl residue comprising 1-10 carbon atoms and comprising at least 2 hydroxyl groups; and at least one of R 1 -R 4 is a hydroxyhydrocarbyl residue or an ester or an ether thereof; and wherein the light stabilising composition, if it contains caramelised material, exhibits an absorption ratio A280/560 of at least 80.