IEH Juice Testing Labs

Juice Testing for Quality, Authenticity, Safety, and Compliance

IEH Juice Testing Laboratories

WHAT WE DO

IEH Juice Labs provide advanced analytical services to help juice processors, producers, importers, retailers, and brand owners evaluate product quality and safety, verify authenticity, support label claims, and meet regulatory requirements.

From routine process control and finished-product testing to shelf-life studies and complex adulteration investigations, our multidisciplinary capabilities support confident decision-making across the entire juice supply chain.

SERVICES OVERVIEW

Navigate between tabs to view our different services and capabilities.

Capabilites

Physicochemical Quality Tests

Confirm label claims, monitor process consistency, and flag dilution or over-concentration with routine and investigative testing.

CAPABILITIES INCLUDE:

  • Brix (°Bx)
  • pH
  • Titratable Acidity (TA)
  • Color
  • Turbidity / Clarity
  • Viscosity / Consistency
  • Ash / Total Solids
Petri dish swab.

Microbiological Testing

Build a matrix- and process-appropriate program to support hazard analysis, verification, release, and shelf-life decisions under 21 CFR Part 120.

CAPABILITIES INCLUDE:

  • Total Aerobic Plate Count (APC)
  • Yeast and Mold Count (Y&M)
  • Coliforms / Generic E. coli counts (TCC and ECC)
  • Pathogen Testing –  Salmonella spp., E. coli O157:H7 (and other STEC as required), Listeria monocytogenes (for RTE or high-risk products), Alicyclobacillus (heat-resistant spoilage organism in acidic juices), Clostridium botulinumĀ 
  • Cause of Spoilage Investigations
View all
Solvent solutions for HPLC.

Nutritional & Compositional Analysis

Generate defensible composition data for Nutrition Facts, nutrient claims, formulation control, and finished-product specifications under 21 CFR Part 101.

CAPABILITIES INCLUDE:

  • Sugars Profile
  • Organic Acids
  • Vitamin C (L-ascorbic acid)
  • Other Vitamins – B-complex (B2, B3, folate, etc.) as needed for fortifiedĀ juices
  • Dietary Fiber
  • Minerals / ElectrolytesĀ 
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Juice Authenticity & Adulteration Testing​

Authenticity & Adulteration Testing

Detect added water, sugar syrups, botanical substitution, and atypical compositional patterns.

CAPABILITIES INCLUDE:

  • Brix/Acid Ratio
  • Stable Isotope Ratio – to detect added water or C4 sugars →
  • Oligosaccharide Profile –Ā  to detect inulin, HFCS, or corn syrup
  • Elemental Fingerprinting – Mg, Ca, K, Na, Sr patterns indicative of origin/adulteration
  • Botanical ID DNA Testing
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Juice Contaminant & Residue Testing​

Contaminant & Residue Testing

Targeted testing aligned with FDA and EPA requirements, California Proposition 65, EU MRLs, and customer-specific limits.

CAPABILITIES INCLUDE:

Juice Sensory & Shelf-Life Testing​

Sensory & Shelf-Life Testing

Evaluate flavor, off-notes, color, and mouthfeel through sensory testing, while shelf-life studies monitor microbial stability, browning, flavor degradation, and vitamin loss over time.

CAPABILITIES INCLUDE:

  • Sensory Evaluation – Trained panel or rapid methods for flavor, off-notes, color, mouthfeel →
  • Shelf-Life Studies – Microbial stability, browning, flavor degradation, vitamin loss
Automated bottling line filling plastic bottles with orange liquid.

Process Authority Services

IEH is an FDA-recognized Processing Authority, providing expert consulting services in processing, packaging, and microbiology, from project planning through commercial production.

CAPABILITIES INCLUDE:

  • Thermal and Aseptic Process Recommendations
  • Process Deviation Analysis
  • Challenge Studies
  • Heat Penetration Testing
  • Hygienic Design Review & Run-time Qualification
  • Packaging
    Decontamination efficacy, packaging-material validation and aseptic packaging qualification.
  • Audit Services
    Plant Auditing, GMP Audits, Process Equipment Audits, Process Development Audits, Automated Control System Audits, Sanitation Audits, etc.
  • Commissioning & FDA Filing
A quality control inspector wearing a hairnet, face mask, and blue gloves, touching or checking glass bottles filled with an amber or orange liquid while holding a digital tablet.

Training & Certification Services

IEH Academy offers instructor-led and eLearning courses covering Juice HACCP, thermal processing, pasteurization, process validation, heat penetration, and other critical topics for juice manufacturing and regulatory compliance.

CAPABILITIES INCLUDE:

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RESOURCES

Three different juices in different bottles with straws.

WHITE PAPER

Adulteration of Fruit Juice and Syrups


Download White Paper →

Juice bottles on white table.

WHITE PAPER

Authentication of Fruit Juice by Isotope Ratio Mass Spectrometry

Download White Paper →

Honeycomb background with logo for National Honey Board in foreground.

NEWS

AOAC Official Method 998.12 Detecting C-4 Plant Sugars in Honey


Download White Paper

IEH Academy - Food Safety Training

Food safety training designed to ensure the safety of your products and procedures.
Join our newsletter to stay up to date on the latest food safety courses and webinars.

Let's get in touch

This form is for business-related inquiries only. All other inquiries, including personnel-related requests, please contact IEH customer service at (206)522-5432. For sample analysis, please complete and send the Test Sample Submission Form to info@iehinc.com By filling out this information, you are adhering to ourĀ privacy policy.

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