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Buffered Listeria Enrichment Broth Base | Selective Enrichment for Listeria spp. | AS‑1157
$45.00 AUD
AuSaMicS Life Science • Culture Media
Buffered Listeria Enrichment Broth Base
Selective enrichment broth base for Listeria recovery from food, environmental, and hygiene samples
Buffered Listeria Enrichment Broth Base is a high-performance pre-enrichment and selective enrichment medium base developed for the recovery of Listeria spp., including Listeria monocytogenes, from food products, raw materials, environmental swabs, and production hygiene samples. Its buffered nutrient system helps support injured or stressed cells, while the final supplemented formulation improves selectivity against competing flora.
Cat. No: AS-1157
Selective Enrichment Broth Base
✓ Australian Stock
🧫 Listeria Workflow
🚀 Fast Dispatch: Australian supply
🧪 Microbiological Grade: Food microbiology ready
📋 Documentation: COA + SDS available
🏆 Listeria Recovery Focus
🛡️ Buffered System - helps protect stressed cells
🧫 Selective Workflow Base - designed for supplement addition
🍽️ Food & Environmental Use - routine Listeria screening
🔬 Recovery-Oriented - suitable for low-level contamination work
📞 Technical Support - method guidance available
Supplement-Ready Base
Used with selective supplements according to the validated Listeria method
🔬 Product Overview
Buffered Listeria Enrichment Broth Base is a nutrient-rich, buffered medium base developed for the selective enrichment of Listeria species from samples that may contain competing background flora or sublethally injured target cells. The formulation supports recovery before subsequent isolation on selective Listeria agars.
It is commonly used in food microbiology, dairy testing, ready-to-eat product monitoring, raw material screening, and environmental hygiene programs. When prepared with the appropriate selective supplements, it becomes a practical enrichment step in validated Listeria detection workflows.
⚗️ Principle of the Medium
Sample inoculation
↓
Buffered nutrient enrichment
↓
Recovery and multiplication of Listeria spp.
↓
Subculture to selective Listeria agar after enrichment
↓
Buffered nutrient enrichment
↓
Recovery and multiplication of Listeria spp.
↓
Subculture to selective Listeria agar after enrichment
The buffered composition helps reduce the effects of sample-associated stress while providing nutrients for target recovery. Selective agents, added according to the intended method, improve suppression of competing organisms and enhance the recovery of Listeria from complex sample matrices.
🧬 Key Applications
🍽️ Food Microbiology
Suitable for detection workflows involving foods, dairy, ready-to-eat products, raw ingredients, and other materials where Listeria is a critical target organism.
🏭 Environmental Monitoring
Useful for swabs, drains, surfaces, and food-production environment monitoring programs focused on Listeria control.
🧪 Recovery of Injured Cells
Buffered enrichment conditions help support stressed or sublethally damaged Listeria cells that may be difficult to recover directly on strongly selective plating media.
🔍 Selective Enrichment Step
Functions as an enrichment stage prior to plating onto selective Listeria agars and further biochemical or confirmatory testing.
✨ Key Features
- Buffered nutrient formulation supports target recovery
- Designed for Listeria enrichment workflows
- Suitable for supplement addition according to method requirements
- Useful for food and environmental microbiology
- Supports downstream isolation on selective agar media
- Available with COA and SDS support
🧪 Typical Composition (g/L)
Exact formulation may vary slightly according to manufacturing standard and intended performance specification.
📊 Related Listeria Media Comparison
💡 Preparation & Use Guidance
Use Case:
For selective enrichment of Listeria from food and environmental samples
For selective enrichment of Listeria from food and environmental samples
Supplementation:
Add the required selective supplement according to your validated method
Add the required selective supplement according to your validated method
Next Step:
Subculture enriched broth onto suitable selective Listeria agar
Subculture enriched broth onto suitable selective Listeria agar
Storage:
Store dehydrated medium tightly closed in a cool, dry place
Store dehydrated medium tightly closed in a cool, dry place
📋 Technical Specifications
| Product Name | Buffered Listeria Enrichment Broth Base |
| Catalog Number | AS-1157 |
| Format | Dehydrated powder |
| Medium Type | Selective enrichment broth base |
| Primary Function | Enrichment of Listeria spp. |
| Typical Supplementation | Selective supplement added separately |
| Appearance | Light beige to cream powder |
| Prepared Medium | Amber to pale brown broth |
| Storage | Keep tightly closed in a dry place, protected from moisture and light |
🎯 Typical Organism Scope
- ✓ Listeria monocytogenes
- ✓ Other Listeria spp.
- ✓ Stressed or low-level target cells
- ✓ Food and environmental monitoring isolates
✅ Quality & Documentation
- ✓ Microbiological grade raw materials
- ✓ Batch QC documentation
- ✓ COA available
- ✓ SDS support
📄 Available Documents
Certificate of Analysis (COA)
Safety Data Sheet (SDS)
Technical Data Sheet (TDS)
🧫 Related AuSaMicS Media
Need a complete Listeria detection workflow?
AuSaMicS can support enrichment broths, selective agars, supplements, and technical documentation for food and environmental Listeria testing.
For laboratory and research use only. Use according to validated laboratory methods and internal quality procedures.