A paper on the fermented soy milk has been published.
http://doi.org/10.1002/jsfa.14239
This research was made thanks to Professor Iwai from Hirosaki University, who identified pseudovitamin B12 using TOF MS. Thank you very much.
Additionally, due to Hirosaki University being selected for the Open Access Acceleration Initiative, we were able to publish this paper as open access. Thank you.