Strain modifications for Medium 383b
3 distinct modifications were found.
Adjust pH of final medium to 6.6.
Supplement medium with 1.00 g/l Na-acetate and 1.00 ml/l seven vitamins solution (see medium 503) added to the autoclaved medium from sterile and anoxic stock solutions. Vitamins are sterilized by filtration. Adjust pH of medium to 6.5 - 6.7 prior to inoculation.
Supplement medium with 1.00 g/l Na-acetate, 2.00 g/l Trypticase peptone and 2.00 g/l yeast extract added to the autoclaved medium from sterile anoxic stock solutions prepared under N2 gas.