Escherichia coli derived from NCTC 13353

LYFO DISK® and KWIK-STIK™ are authentic, traceable reference stock cultures for microbiological quality control. Each lyophilized microorganism preparation is not more than Three passages from the reference culture, requires no pre-incubation, and comes with a shelflife of 6-24 months in refrigerated storage. LYFO DISK® contains 6 lyophilized pellets of a single microorganism strain, providing an economical reference culture solution. KWIK-STIK™ is a convenient, ready-to-use system containing a lyophilized pellet, hydrating fluid, and inoculating swab, available in 2-unit DuoPak and 6-unit packs.