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.
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)
Tryptophan
Niacin
Vitamin B12
Citrate
Tryptophan