TSI slant

TSI agar slant results: (from left) preinoculated (as control), P. aeruginosa, E. coli, Salmonella Typhimurium, Shigella flexneri

The Triple Sugar Iron (TSI) test is a microbiological test roughly named for its ability to test a microorganism's ability to ferment sugars and to produce hydrogen sulfide.[1] It is often used to differentiate enteric bacteria including Salmonella and Shigella.

  1. ^ "TSI Reactions". Retrieved 2008-11-17.