Bismuth sulfite agar

From Wikipedia, the free encyclopedia


Bismuth sulfite agar is a type of agar that uses dextrose as a primary source of carbon. BLBG and bismuth stop gram-positive growth. Bismuth sulfite agar tests the ability to utilize ferrous sulfate and convet it to hydrogen sulfide. This is medium used to isolate Salmonella spp. XLD agar may also be used for this purpose.