[Determination of vitamin B12 in Streptomyces griseus fermentation liquids and in liver extracts by means of the mutant strain of Escherichia coli using the slide method of paper chromatography].
D002854:Chromatography, Paper; D004926:Escherichia coli / Q000378:metabolism*; D005285:Fermentation; D008110:Liver Extracts; D013302:Streptomyces; D013305:Streptomyces griseus; D014805:Vitamin B 12 / Q000032:analysis*
D008110:Liver Extracts; D014805:Vitamin B 12
ESCHERICHIA COLI/metabolism; LIVER EXTRACTS; STREPTOMYCES; VITAMIN B12/determination
Oznaczanie witaminy B12 w płynach fermentacyjnych Streptomyces griseus i wyciagach watrobowych za pomoca szczepu wzorcowego Escherichia coli metoda płytkowa i chromatografia bibułowa.