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B12 Assay Agar using E. coli Mutant Culture
B12 Assay Agar (Using E. coli Mutant Culture) (Harrison et al. Medium) (DM528) is recommended for Vitamin B12 assay using Escherichia coli mutant 113-3 Davis ATCC 11105.
SKU: DM528
Category: Dehydrated Culture Media
For microbiological assay of Vitamin B12, a complete dehydrated medium contains all essential nutritives except Vitamin B12 for the growth of E.coli mutant 113-3 Davis ATCC11105. Addition of B12 in specified increasing concentration gives a growth response, which can be measured with zone reader.
Final pH : 7.2 ± 0.2 at 25°C