Abstract
Several experiments were done for the purpose of preparing the dried yeast containing more than 1% of thiamine and following culture condition was chosen. Saccharomyces sake was cultured under aeration for ten hours at 27℃ in a medium consisting of rice embryo extract supplemented with 80mg per litre of thiamine hydrochloride. Dried yeast was obtained in a yield of 3g per litre and its thiamine content was 1.67%.
