Barley for production of flavor-stable beverage
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United States of America Patent
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Sep 2, 2008
Grant Date -
Sep 15, 2005
app pub date -
Mar 11, 2004
filing date -
Mar 11, 2004
priority date (Note) -
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Abstract
According to the invention, there is provided null-LOX-1 barley and plant products produced thereof, such as malt manufactured by using barley kernels defective in synthesis of the fatty acid-converting enzyme lipoxygenase-1. Said enzyme accounts for the principal activity related to conversion of linoleic acid into 9-hydroperoxy octadecadienoic acid, a lipoxygenase pathway metabolite, which--through further enzymatic or spontaneous reactions--may lead to the appearance of trans-2-nonenal. The invention enables brewers to produce a beer devoid of detectable trans-2-nonenal-specific off-flavors, even after prolonged storage of the beverage.
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