Microbiology-PTM-OMA_Modules_1-5

Inoculation of Moist Solid Matrices • Use fresh culture for raw foods

• Use heat‐stressed culture for heat‐processed  foods • Add diluted culture • Drop‐wise • Spray • Incorporate by kneading, mixing, etc. • Stabilize 48‐72 h at 2‐8°C • For quantitative  Listeria store for 24 h at 2‐8°C