USE OF MICROORGANISMS FOR ASSAY OF VITAMINS

Abstract

Summary in general terms,but with specific examples, of basic information helpful in understanding and using microbiological assay methods. The vits. dealt with are: p-aminobenzoic acid, biotin, choline, folic acid, inositol, nicotinic acid, panto-thenic acid, riboflavin, thiamin, vit. B6 (pyridoxal + pyridoxamine + pyridoxine). The test organisms referred to are:Acetobacter suboxydans, Clostridium acetobutylicum, C. butylicum, Endomyces vernalis. Hansenula lambica, Kloeckera brevis. Lactobacillus arabinosus, L. casei, L. delbrueckii, L. fermenti. Leuconostoc mesenteroides, Neurospora crassa, N. sitophila, Phycomyces blakesleeanus. Proteus HX 19. P. morganii, Rhizobium trifolii, Rhodatorula aurantiaca. Saccharomyces carlsbergensis. S. cerevisiae. S. oviformis, Staphylococcus aureus. Streptococcus faecalis. S. salivarius. Torula cremoris. Zygosaccharomyces marxianus.