Microbial Species Identification
Species-level identification of microorganisms plays a critical role in food safety, spoilage investigation, probiotic validation, and contamination source tracking. Accurate ID enables root cause analysis, risk mitigation, and regulatory compliance across food, beverage, pharmaceutical, and personal care sectors.
Why It’s Performed
- Confirm Probiotic Identity: Verifies that declared strains (e.g., Lactobacillus rhamnosus, Bifidobacterium animalis) match label claims.
- Pinpoint Spoilage/Pathogenic Organisms: Identifies culprits behind off-odors, gas production, or toxin formation (e.g., Pseudomonas, Clostridium, Salmonella).
- Environmental Monitoring: Traces biofilm-formers or airborne fungi in hygienic zones or cleanrooms.
- Species Differentiation: Distinguishes between harmless contaminants and those requiring corrective action.
- Regulatory Documentation: Required for export or product registration under FDA, EFSA, ISO, and Codex frameworks.
Identification Techniques
- Colony Morphology & Microscopy: Preliminary examination using Gram stain, shape, motility, and pigmentation.
- Biochemical Profiling: Carbohydrate fermentation, enzyme activity, or fatty acid analysis (e.g., API, VITEK systems).
- Molecular Methods:
- 16S rRNA or ITS Sequencing (Gold standard for bacteria/fungi)
- qPCR with Species-Specific Primers
- MALDI-TOF Mass Spectrometry for protein-based fingerprinting
- Phylogenetic Analysis: For strain-level classification or novel isolated characterization.
- Antimicrobial Resistance Screening (when applicable)
Sample Types
- Fermented foods, probiotics, and supplements
- Contaminated or spoiled food products
- Environmental swabs (air, surface, water)
- R&D isolates from starter cultures
- Raw materials and packaging surfaces
Deliverables & Accreditation
- Report Format: Digital Certificate of Analysis (COA) including taxonomy, match confidence, method used, and interpretive remarks
- Accreditation: Conducted under ISO/IEC 17025 with validated protocols and controls
Leading food testing laboratory ensuring safety and quality in the food industry.
Contact Us
9341 E.Childs Ave., Planada, CA 95365, USA.
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Office 1 : (209) 877 8728 Office 2 : (209) 877 8729