Method for producing yeast containing rich-taste-imparting substance and method for producing yeast extract containing rich-taste-imparting substance

2:

• The method for producing a rich taste imparting substance-containing yeast according to claim 1,
• wherein the yeast is a yeast modified to have an enhanced ability to produce glutathione.

3:

• The method for producing a rich taste imparting substance-containing yeast according to claim 1,
• wherein in the culturing the yeast with addition of valine, threonine is further added to the culture medium.

4:

• The method for producing a rich taste imparting substance-containing yeast according to claim 1,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.

6:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 5,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast extract is greater than 1% per dry weight of yeast extract.

7:

• The method for producing a rich taste imparting substance-containing yeast according to claim 2,
• wherein in the culturing the yeast with addition of valine, threonine is further added to the culture medium.

8:

• The method for producing a rich taste imparting substance-containing yeast according to claim 2,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.

9:

• The method for producing a rich taste imparting substance-containing yeast according to claim 3,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.

10:

• The method for producing a rich taste imparting substance-containing yeast according to claim 7,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.

11:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 5,
• wherein the yeast is a yeast modified to have an enhanced ability to produce glutathione.

12:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 5,
• wherein in the culturing the yeast with addition of valine, threonine is further added to the culture medium.

13:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 5,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.

14:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 6,
• wherein the yeast is a yeast modified to have an enhanced ability to produce glutathione.

15:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 6,
• wherein in the culturing the yeast with addition of valine, threonine is further added to the culture medium.

16:

• The method for producing a rich taste imparting substance-containing yeast extract according to claim 6,
• wherein a content of the rich taste imparting substance in the rich taste imparting substance-containing yeast is 0.3% or greater per dry cell weight of yeast.