Salmonella Shigella (SS) Agar is used for the isolation of Salmonella spp. and some strains of Shigella spp. Salmonella Shigella (SS) Agar is not intended for use in the diagnosis of disease or other conditions in humans. Salmonella Shigella (SS) Agar is a modification of the Desoxycholate Citrate Agar described by Leifson. Salmonella Shigella Agar is superior to a number of other media for the isolation of Salmonella spp. and Shigella spp. Salmonella Shigella (SS) Agar is recommended for testing food samples for the presence of Salmonella spp. and some Shigella spp. Formula:Beef Extract - 5.0 g/LEnzymatic Digest of Casein - 2.5 g/LEnzymatic Digest of Animal Tissue - 2.5 g/LLactose - 10.0 g/LBile Salts - 8.5 g/LSodium Citrate - 8.5 g/LSodium Thiosulfate - 8.5 g/LFerric Citrate - 1.0 g/LBrilliant Green - 0.00033 g/LNeutral Red - 0.025 g/L Agar - 13.5 g/L For more information visit https://www.neogen.com/solutions/Microbiology/salmonella-shigella-agar