Vitamin B_12 contents of a variety of conventional Korean foods were bioassayed employing Euglena gracilis. On the basis of fresh weight animal organs and fremented sea foods are excellent sources of vitamin B_12. Several foods of plant origin were fo...
Vitamin B_12 contents of a variety of conventional Korean foods were bioassayed employing Euglena gracilis. On the basis of fresh weight animal organs and fremented sea foods are excellent sources of vitamin B_12. Several foods of plant origin were found to be fair sources of the vitamin B_12.