Disclosed are methods for the production of light stable hop products,
useful for the brewing of beer or ale to be stored in clear or green
glass containers, which beer or ale will not develop objectionable flavor
as a result of exposure to light. Light stable hop products are prepared
by double extraction of liquid/supercritical CO.sub.2 extracted hop
solids with ethanol to remove alpha/iso-alpha-acids. Such
alpha/iso-alpha-acids may be further removed from the ethanol extraction
filtrate obtained in the double extraction process by subjecting such
filtrate to an ion exchange medium, or precipitation by a metal ion,
heavy metal ion, or alkali metal ion, or hydrogenation to provide an
alpha/iso-alpha-acids free filtrate which may be added to the light
stable double extracted hop solid residues obtained in the initial double
extraction process.