Food Testing

Types of Samples

  • Processed meat
  • Raw meat
  • Sushi
  • Sashimi
  • Seafood
  • Cooked food
  • Sauces
  • Pastries
  • Vegetables
  • Fruits
  • Fruit juices
  • Eggs
  • Food powders
  • Tea leaves
  • Traditional Chinese Medicine (TCM)
  • Bakery products
Microbial Examination

Bacteria Tests

  • Total Aerobic Plate Count
  • Total Coliform Count
  • Fecal Coliform Count
  • Escherichia coli
  • Salmonella spp.
  • Yeast and Mold
  • Staphylococcus aureus

 

  • Listeria monocytogenes
  • Campylobacter
  • Bacillus cereus
  • Vibrio parahaemolyticus
  • Vibrio cholerae
  • Vibrio vulnificus
  • Clostridium perfringens

 

  • Clostridium botulinum
  • Enterobacteriaceae
  • Shigella
  • Lactic acid bacteria
  • Thermophilic Spore Count
  • Mesophilic Spore Count


Test Methods

  • Food and Drug Administration’s Bacteriological Analytical Manual (FDA-BAM) procedures
  • International Organization for Standardization (ISO) procedures
  • Practical Food Microbiology, PHLS Chapter 6.15

 

Microbial Swab Tests (Equipment Swab and Hand Swab)

Bacteria Tests

  • Total Aerobic Plate Count
  • Total Coliform Count
  • Escherichia coli
  • Salmonella spp.
  • Staphylococcus aureus
  • Listeria monocytogenes
  • Yeast and Mold
  • Enterobacteriaceae
  • Klebsiella

Test Methods

  • Compendium of Methods for the Microbiological Examination of Foods (CMMEF) Chapter 3
  • ISO 18593:2018

Contact Plate

Bacteria Tests

  • Total Aerobic Plate Count
  • Yeast and Mold

Test Methods

  • Compendium of Methods for the Microbiological Examination of Foods (CMMEF) Chapter 3
  • ISO 18593:2018

Air Microbial Tests (Settling Plate)

Bacteria Tests

  • Total Aerobic Plate Count
  • Yeast and Mold

Test Methods

  • Compendium of Methods for the Microbiological Examination of Foods (CMMEF) Chapter 3

 

Metals/Heavy Metals Tests

Constituents Tested

  • Copper (Cu)
  • Arsenic (As)
  • Cadmium (Cd)
  • Lead (Pb)
  • Mercury (Hg)
  • Iron (Fe)
  • Chromium (Cr)
  • Antimony (Sb)
  • Selenium (Se)
  • Tin (Sn)

 

Test Methods

  • Flow Injection Mercury System (FIMS)
  • Inductively Coupled Plasma – Optical Emission Spectrometry (ICP-OES)
Nutrition Tests

Nutrients Tested

  • Energy
  • Carbohydrates
  • Sugar
  • Protein
  • Fat

 

  • Saturated fat
  • Unsaturated fat
  • Trans fat
  • Fatty acids
  • Dietary fiber
  • Cholesterol
  • Sodium
  • Potassium
  • Calcium
  • Iron

Test Methods

  • Association of Official Agricultural Chemists (AOAC) procedures
  • In-house methods
Other Chemical Test
  • pH
  • Histamine
  • Calcium Propionate
  • Preservatives
    • Sorbic Acid
    • Sodium Nitrate
    • Sodium Nitrite
    • Sulphur Dioxide
    • Benzoic Acid
    • Methyl Para-hydroxy benzoate
    • Propyl Para-hydroxy benzoate
  • Sweeteners
    • Acesulfame-K
    • Saccharin
    • Cyclamates (as cyclamic acid)
    • Neotame
    • Steviol Glycosides (as steviol)
    • Sucralose
    • Aspartame
  • Per- and Polyfluorinated Substances (PFAS)
    • Perfluorooctanoic Acid (PFOA)
    • Perfluorooctane Sulfonic Acid (PFOS)
    • Perfluorononanoic Acid (PFNA)
    • Perfluorohexane Sulfonic Acid (PFHxS)

 

Test Method

  • In-house Method
  • Liquid Chromatography with tandem Mass Spectrometry (LC-MS-MS)
  • LC-PDA