Growth factor required for salmonella:
Salmonella require tryptophan as an essential growth factor. Also remember: Legionella require Iron and Cysteine Mycoplasma require sterols Ureaplasma require sterols and urea Halophilic Vibrio (parahemolyticus) require salt.
Tryptophan
Niacin
Vitamin B12
Citrate
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)