Microbiolgical Tests - Food Division
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  • Microbiological analysis of water: aerobic mesophilic and MPN of coliform organisms.
  • Aerobic mesophilic organisms (plate count).
  • Total coliforms (plate count).
  • Most Probable Number (MPN) total coliforms.
  • MPN fecal coliforms.
  • MPN total and coliform organisms.
  • Fungi (Molds) and yeasts (plate count).
  • Escherichia coli.
  • Salmonella spp.
  • Shigella spp.
  • Staphylococcus aureus (count)
  • Vibrio cholerae.
  • Listeria spp (isolation).
  • Anaerobic mesophilic. (count).
  • Anaerobic thermophilic. (count).
  • Lactic bacteria (count).
  • Living and inert surfaces (mesophilic y coliform).
  • Environment control (mesophilics, molds and yeasts in each sampling point)
  • Identification of enterobacteria.
  • Identification of cocci (Staphylococcus, Streptococcus).
  • Identification of lactic bacteria.
  • Identification of Bacillus spp.
  • Identification of molds and yeasts.
  • Identification of Listeria spp.
  • Microbiological analysis of canned or bottled high, medium or low sauer products according to NOM-130.
  • Microbial challenge (by microorganism, by concentration and by time of contact).
  • Growth promotion by strain and by liquid culture medium.
  • Growth promotion by strain on selective or differential agar.
  • Stability/shelf life.