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Research

In the constantly evolving disciplines of food safety and quality, Chestnut Labs understands the critical need for companies to protect their brands.

Research studies provide data required to assess product or process safety, assure customer loyalty, guarantee a positive product experience, and comply with FSMA regulations or other special certifications. Chestnut Labs is your go-to collaborative partner providing value added services, uncompromising quality and a commitment to excellence.

From shelf-life studies to in-plant validations, our consultants will work with you to deliver quality data and provide a detailed interpretation of the results.

Let Chestnut Labs work with you to design and implement the study you require. We have experience with a wide range of food and animal food products including dairy, fermented and acidified foods, baked goods, dry ingredients, and probiotics.  Our processing knowledge includes thermal processing, continuous microwave processing, high pressure processing, fermentation, acidification, and multiple hurdle technologies.

Research Areas Include:

Antimicrobial Effectiveness Testing

Antimicrobial effectiveness testing follows United States Pharmacopeia (USP) guidelines to measure the ability of products to inhibit specific microbes. These studies utilize inoculations of microorganisms of interest.  A known quantity is inoculated in the test product and compared to a negative control over a predetermined time period.  The antimicrobial properties of the test product or the effectiveness of an intervention is then quantified by reduction of counts over time.

Challenge Study

Challenge studies show how formulation, processing, and packaging affect microorganism survival on your product. These studies are designed using National Advisory Committee on Microbiological Criteria for Foods (NACMF) guidelines. Like antimicrobial effectiveness testing, these trials begin with inoculation of a known quantity of a microorganism of interest, and microbial counts are evaluated over time.

In Plant validations

In-plant validations can be performed at your production facility using non-pathogenic surrogate organisms. Our services include shipping of necessary supplies and providing an experienced microbiologist/Preventive Controls Qualified Individual (PCQI) to manage the on-site trials. Our experts are available evenings and weekends to minimize manufacturing down-time needed to run your study.

Laboratory and Pilot Scale Validations

These studies provide preliminary data prior to scale-up in the process facility. Critical control points (CCP) need to be verified as effective for Food Safety Modernization Act (FSMA) preventive controls.  Inactivation or reduction of microorganisms through time/temperature regimes, proper hold times, refrigeration, chemical interventions, or multiple hurdles will be conducted and evaluated by a Food Safety Preventive Controls Alliance certified PCQI.

Media Certification

This test determines whether a growth media, substance, or other preparation complies with established specifications for microbiology resuscitation, growth, and enumeration. 

Special Projects

Let Chestnut Labs do the bench work for you. Our skilled research microbiologists are experienced in both culture and molecular methods. Let our steady hands perform your special projects, from proprietary methods and innovations to third-party confirmation of in-house procedures.

Shelf-Life Study

Confirming the optimal shelf-life of your product can enhance your bottom line, establish consistency and conformity, reduce waste, ensure product quality, guarantee positive customer experience, and protect your brand.  Our shelf-life studies are specifically designed for each client because we recognize that scope and special needs vary. Optimal shelf-life is determined by microbial, chemical, and sensory analysis to discover the limiting parameter causing unacceptable quality or safety.  An in-depth initial discussion with the client is used to define the target objectives.  Then, a detailed proposal is submitted for client to review prior to study initiation.  Shelf-life studies for shelf-stable products generally run in real-time from one to three years.

Time Kill Study- In Vitro

A Time Kill Test study is a basic microbiology method for assessment of antimicrobial activity of an antimicrobial test material or disinfectant. The time kill study is used to determine the microbial reduction of a selected bacteria or fungi. Depending on the type of analysis, and the matrix of the product various organisms are studied.

Learn more about Chestnut Labs

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