Microbiology
The following standardized methods are employed for microbiology testing:
USP <2021> – Microbial Enumeration Tests for Nutritional and Dietary Supplements
- Total aerobic microbial count
- Total combined molds and yeasts count
- Enterobacterial (bile-tolerant gram-negative bacteria) count
USP <2022> – Microbiological Procedures for Absence of Specific Microorganisms for Nutritional and Dietary Supplements
- Staphylococcus aureus
- Salmonella species
- Escherichia coli (E. coli)
- Clostridium species
USP <2023> – Microbiological Attributes of Nonsterile Nutritional and Dietary Supplements
- Microbial contamination
Our list of microbiological testing capabilities for NHP includes:
| Aerobic Plate Count | USP, MFHPB |
|---|---|
| Yeast and Mold Count | USP |
| Coliforms, E.coli | USP, MFHPB |
| Staphylococcus aureus | USP, MFHPB |
| Salmonella spp. | USP, MFHPB |
| Pseudomonas aeruginosa | USP, MFLP |
| Bacillus cereus | MFLP |
| Clostridium perfringens | USP, MFHPB |
| Lactic Acid Bacteria-Probiotic Count | USP |
| Enterobacteria Count | USP, MFLP |
| Listeria monocytogenes | MFHPB |
| Thermophilic and Psychrotrophic Bacteria Count | USP |
| Vitamin B12 Microassay using Lactobacillus leichmanni | USP |
| Antimicrobial Effectiveness Testing | USP |