Table 1.

Production of vitamin B12 by selected strains from the Propionibacterium genus

Strains	Carbon source	Production of vitamin B12	References
P. acidipropionici DSM 8250	Beet molasses	34.8 mg/L	Quesada-Chanto et al. 1994
P. acidipropionici DSM 8250	Reed molasses	28.8 mg/L	Quesada-Chanto et al. 1994
P. freudenreichii subsp. shermanii OLP-5	Glucose	31.67 mg/L	Thirupathaiah et al. 2012
Propionibacterium freudenreichii NCIB 1081	Glucose	4.3 mg/L	Czaczyk et al. 1997a
Propionibacterium shermanii FRDC Pr1	Fermentation liquors (lactic fermentation)	1.8 μg/L	Gardner and Champagne 2005
Propionibacterium shermanii PZ-3	Glucose	52 mg/L	Hatanaka et al. 1998
P. freudenreichii subsp. shermanii DSM 20270	Waste from tofu production	10 mg/L	Yu et al. 2015
Propionibacterium freudenreichii CICC 10019	Glucose, corn extract	42.6 mg/L	Wang et al. 2012