Comparative Effects of Food Preservatives on the Production of Staphylococcal Enterotoxin I from Staphylococcus aureus Isolate

Figure 2

Effect of different food preservatives on sei gene transcription. S. aureus H4 was treated with sodium nitrite, polylysine, chitosan, or tea catechin, respectively, as described above. At the 24th-hour incubation, S. aureus were lysed by lysozyme and the mRNA was detected by real time quantitative PCR. Data were the mean ± SEM of three independent experiments (, ).