TABLE 1.

Comparison of medium formulations for BacT/ALERT FAN, FN, and SN anaerobic media

Feature	Anaerobic FAN	FN	SN
Volume (mL)	40	40	40
Tryptic soy broth (%, wt/vol)		2.0
Pancreatic digest of casein (%, wt/vol)			1.70
Brain heart infusion solids (%, wt/vol)	1.5	0.1
Papaic digest of soybean meal (%, wt/vol)			0.3
Sodium polyanetholesulfonate (%, wt/vol)	0.05	0.044	0.035
Pyridoxine HCl (%, wt/vol)	0.001	0.001
Menadione (%, wt/vol)	0.00005	0.00005	0.00005
Hemin (%, wt/vol)	0.0005	0.0005	0.0005
Activated charcoal (%, wt/vol)		8.5
Ecosorb (%, wt/vol)	7.0
l-Cysteine and other complex amino acid and carbohydrate substrates in purified water	As needed	As needed	As needed
Atmosphere	Carbon dioxide and nitrogen under vacuum	Nitrogen under vacuum	Carbon dioxide and nitrogen under vacuum
Other proprietary adjustments	As needed	As needed	As needed