Purdue University (2011, August 15). E. coli, Salmonella may lurk in unwashable places in produce. ScienceDaily Citat: "..."This shows us as close to what was in the plant when it was living as possible," Deering said. "The number of bacteria increased and persisted at a high level for at least 12 days, the length of the studies." Deering said she was able to count hundreds of bacteria in almost every type of tissue. Proper sanitization would eliminate Salmonella and E. coli from the surface of foods, but not inner tissues, Deering and Pruitt said. Cooking those foods to temperatures known to kill the pathogens would eliminate them from inner tissues..."
Washington State University. (2014, July 17). Preventing foodborne illness naturally: with cinnamon. ScienceDaily Citat: "...Cinnamomum cassia oil was shown to be effective as a natural antibacterial agent against several strains of Shiga toxin-producing Escherichia coli, known to the US Centers for Disease Control and Prevention as 'non-O157 STEC'...The cinnamon cassia oil is effective in low concentrations, she said -- about 10 drops diluted in a liter of water killed the bacteria within 24 hours..."