Clostridium botulinum Toxin Formation in Romaine Lettuce and Shredded Cabbage: Effect of Storage and Packaging Conditions.

The potential for growth and toxin production by Clostridium botulinum spores was investigated in samples of fresh-cut romaine lettuce and shredded cabbage packaged in vented and nonvented flexible pouches at storage temperatures of 4.4, 12.7, and 21°C for up to 28 days.

Simultaneous Growth of Listeria monocytogenes and Listeria innocua.

Listeria spp. have been isolated from a wide variety of sources, and in many situations Listeria innocua is more commonly found than Listeria monocytogenes . Growth of three L.