Microbiological
Our Services
Pentyl Labs provides comprehensive microbiological testing to support cosmetics, personal care, pharmaceuticals, nutraceuticals, food, and formulated goods such as household and cleaning products. Our services include Preservative Effectiveness Testing (PET/AET) in compliance with USP <51>, Ph. Eur. 5.1.3, and ISO 11930; Microbial Limits Testing (MLT) per USP <61>/<62> and Ph. Eur. 2.6.12/2.6.13; as well as environmental monitoring and contamination investigations. Using validated methods, controlled laboratory conditions, and industry-standard challenge organisms, we deliver accurate microbial recovery data, Certificates of Analysis, and technical support—helping clients ensure safety, stability, and global regulatory compliance across a wide range of product categories.
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Name | Description | Price | Turnaround Time | Sample Size | Quantity | Add to cart |
|---|---|---|---|---|---|---|
ISO 11930 preservative effectiveness testing (PET) to evaluate antimicrobial protection… | $500 | 6 weeks | 250 mL | |||
ISO 11930 preservative effectiveness testing including suitability (neutralization validation) and… | $600 | 6 weeks | 250 mL | |||
Preservative Effectiveness Testing (PET): Evaluation of antimicrobial preservative systems in… | $500 | 8 weeks | 250 mL | |||
Time Kill Testing performed according to ASTM E2315 to evaluate… | $1,000 | 4 weeks | 250 mL | |||
USP 51 Challenge Test (No Suitability): Antimicrobial effectiveness testing using… | $400 | 6 weeks | 250 mL | |||
USP 51 with suitability preservative effectiveness testing to assess antimicrobial… | $500 | 6 weeks | 250 mL | |||
Detection of Burkholderia cepacia complex (BCC) per USP <60> for… | $35 | 7 days | 50 grams | |||
USP Microbial Testing per USP <61>, including Aerobic Plate Count… | $40 | 2 weeks | 50 grams | |||
USP 61/62 suitability (this is a one-time fee; applies only… | $215 | 2 weeks | 50 grams | |||
Microbial limits testing per USP <61> and <62>, including Total… | $160 | 2 weeks | 50 grams | |||
USP 922 | $200 | 2 weeks | 50 grams | |||
Water Activity Testing: Determination of water activity using AOAC 978.18… | $150 | 2 weeks | 50 grams |
