Method for producing yeast containing rich-taste-imparting substance and method for producing yeast extract containing rich-taste-imparting substance
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United States of America Patent
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Oct 15, 2024
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app pub date -
Sep 20, 2019
filing date -
Dec 5, 2018
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Abstract
A method for producing a rich taste imparting substance-containing yeast, where the method includes: a yeast proliferating step of culturing a yeast that is modified to have a reduced acetolactate synthase activity in cells, and has isoleucine and valine requirements in a culture medium containing isoleucine and valine, to proliferate the yeast; and a rich taste imparting substance producing step of culturing the yeast with addition of valine to the culture medium when an isoleucine content in the culture medium is less than 0.2% by mass, to produce a rich taste imparting substance, wherein the rich taste imparting substance is at least one of γ-Glu-Abu and γ-Glu-Abu-Gly.
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