a solution containing biotin , guanine , adenine , beta-alanine , riboflavin , uracil , pyridoxamine , guanylic acid , adenylic acid , yeast nucleic acid , choline , p-aminobenzoic acid , a flavin component from liver , ribose , thymine , xanthine , folic acid , inositol , p-aminophenyl alanine , pantothentic acid and a strepogenin concentrate can not replace broth or yeast extraction in increasing phage formation in the synthetic medium of fildes .
C0041917
uracil
C0040087
thymine