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Indicator and Industrial Microorganism Testing

Mérieux NutriSciences provides indicator and industrial microorganism testing to help food and beverage manufacturers monitor microbial quality, evaluate production processes, and support food safety and quality assurance programs.  Our laboratories use established reference methods, including ISO and IDF methods, and internally validated methods to enumerate specific microorganisms in individual cultures and complex microbial populations.

Mérieux NutriSciences indicator and industrial microorganism testing for food safety and quality assurance.

Microorganism Testing for Food Safety and Quality

Indicator and industrial microorganism testing provides valuable insight into microbial conditions throughout food production and product development.

Whether evaluating hygiene conditions, monitoring fermentation processes, or investigating microbial quality concerns, reliable analytical data helps manufacturers make informed decisions.

Our testing services support quality assurance, R&D, and production teams in understanding microbial populations and evaluating product and process quality.


Indicator Microorganism Testing

Indicator microorganisms provide information about microbial quality, hygiene conditions, and potential contamination within food manufacturing environments and products.

Testing can help manufacturers monitor production conditions, investigate quality concerns, and evaluate the effectiveness of sanitation and process controls.

Our indicator microorganism testing capabilities include:

  • Acid-resistant microorganisms
  • Fecal contamination indicators
  • Heat-resistant microorganisms
  • Psychrotrophic microorganisms
  • Spore-forming microorganisms

Industrial Microorganism Testing

Industrial microorganisms are used in food production processes, including fermentation and the development of cultured food products.

Enumeration of specific microorganisms helps manufacturers monitor microbial populations, evaluate production consistency, and support product quality.

Our industrial microorganism testing capabilities include:

  • Bifidobacteria
  • Lactobacillus delbrueckii subsp. bulgaricus
  • Lactobacillus casei
  • Lactobacillus rhamnosus
  • Lactobacillus acidophilus
  • Streptococcus thermophilus
  • Saccharomyces cerevisiae

When Is Microorganism Testing Needed?

Microorganism testing supports food manufacturers at different stages of production, quality control, and product development.

Manufacturing Hygiene and Process Monitoring

Evaluate indicator microorganisms to help identify potential hygiene concerns and monitor microbial conditions during production.

Fermentation and Culture Monitoring

Measure specific industrial microorganisms to help assess microbial populations and consistency in fermentation-based manufacturing processes.

Product Quality Investigations

Use microbial testing data to investigate unexpected results, evaluate potential quality concerns, and support corrective action decisions.

Product Development and Quality Control

Monitor relevant microorganisms during product development and routine quality programs to support consistency and informed manufacturing decisions.


Microbial Enumeration and Testing Methods

Microbial enumeration measures the quantity of specific microorganisms present in a sample, providing manufacturers with analytical information about microbial populations.

Mérieux NutriSciences uses established reference methods, including applicable ISO and IDF methods, as well as internally validated methods for select microorganisms.

Testing approaches depend on the microorganism, sample matrix, and analytical objective. Our team can help manufacturers determine an appropriate testing scope based on their specific needs.


Why Choose Mérieux NutriSciences for Microorganism Testing?

Mérieux NutriSciences combines microbiology expertise with established laboratory methods to support food manufacturers in evaluating microbial quality and production conditions.

Our testing services help manufacturers:

  • Monitor microbial quality and manufacturing conditions.
  • Evaluate specific microorganisms used in production.
  • Investigate potential quality and hygiene concerns.
  • Support quality assurance and process monitoring programs.
  • Access analytical data for informed product and manufacturing decisions.

Microbiology Testing Resources

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Sample Pick-Up

Arrange convenient and secure pickup of your samples through our fleet of couriers.

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Sample Supplies

Supplies are available for sampling, packing, storing, and shipping your samples.

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MyMXNS Portal

Manage your daily food safety system with our easy-to-use, reliable customer portal.

Frequently Asked Questions About Microorganism Testing

Get the Microbiology Testing Brochure