Answers are grounded in this paper and cite their sources.
were the first to point out that their method for the assay of nicotinic acid could be applied to the determination of biotin and pantothenic acid. Shortly afterwards, Landy & Dicken (1942) published a general procedure for the estimation of six vitamins, using Lactobacillus caaei as the test organism. Roberts & Snell (1946) devised a medium for microbiological assays with L. ca8ei, which was an improvement on the original medium of Landy & Dicken (1942).
No takes yet. Share an insight, caveat, or question.
Clegg et al. (1952) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: