Patent ID: 9005683
Filing Date: 2015-04-14
Classification: A23L,C12N

Abstract:
1. A method for culturing a yeast, comprising the steps of: (a) culturing, in a liquid medium comprising a carbon source and a nitrogen source, a yeast in a logarithmic growth phase at a pH of 3.5 to 7.5 and a temperature range of 20° C. to 40° C., while aerating; and (b) after the yeast enters a stationary growth phase, continuing culturing the yeast in the same medium as in the step (a) at a pH that: (i) is adjusted to be equal to or higher than 7.5 and lower than 11 by addition of an alkaline substance or (ii) adjusts to be equal to or higher than 7.5 and lower than 11 when the medium of the step (a) further comprises an alkaline substance; wherein the yeast is