| 摘要 |
The present invention provides: a method for producing an amino acid-rich yeast containing free amino acid in high concentration; a method for producing an amino acid-rich yeast, which includes liquid-culturing a yeast in a stationary phase of proliferation wherein the pH of a liquid medium is ≧7.5 and <11; a method for producing an amino acid-rich yeast, which includes adjusting the pH of the liquid medium to ≧7.5 and <11, and further culturing the yeast in this pH range; a method for producing an amino acid-rich yeast, wherein the yeast is Saccharomyces cerevisiae or Candida utilis; an amino acid-rich yeast obtained by any one of the above methods; the amino acid-rich yeast extract wherein the amount of a free amino acid is from 7.5 to 18.0% by weight per dry yeast cell; and an amino acid-rich yeast extract extracted from the above amino acid-rich yeast.
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