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Liofilchem® Vitalex Growth Supplement Growth Supplement For The Isolation Of Fastidious Microorganisms, 2 X 5/Pk
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Each package contains:
10 bottles of freeze-dried VITALEX growth Supplement
10 bottles of VITALEX growth diluent.
1 instruction sheet
Specifications:
| Application | Clinical microbiology | ||
| Storage Temperature | 2-8°C | ||
| Product Type | Supplement | Forms | Freeze Dried |
| Product Brand | Liofilchem | ||
| Product Grade | Microbiology grade | ||
The VITALEX Growth Supplement is a freeze-dried growth supplement containing amino acids, vitamins, coenzymes, and other essential nutrients designed to support the cultivation of fastidious microorganisms such as Neisseria spp. and Haemophilus spp.. It is used as an enrichment supplement for G.C. Medium
Key Features
- Comprehensive Growth Factors:
Provides essential vitamins, amino acids, glucose, ferric ions, and coenzymes that promote the growth of fastidious bacteria. - Convenient Packaging:
Includes 10 vials of freeze-dried supplement and 10 vials of diluent (10% glucose solution) for reconstitution. - Wide Applicability:
Compatible with various clinical and research applications requiring the isolation and growth of Neisseria and other fastidious microorganisms.
Liofilchem® VITALEX Growth Supplement Composition
| Component | Content per Bottle | Content per Liter of Medium |
|---|---|---|
| Glutamine | 100.00 mg | 200.00 mg |
| Adenine | 10.00 mg | 20.00 mg |
| Guanine | 0.30 mg | 0.60 mg |
| Aminobenzoic Acid | 0.13 mg | 0.26 mg |
| NAD (Nicotinamide Adenine Dinucleotide) | 2.50 mg | 5.00 mg |
| Cocarboxylase | 1.00 mg | 2.00 mg |
| Ferric Nitrate | 0.20 mg | 0.40 mg |
| Thiamine | 0.03 mg | 0.06 mg |
| Vitamin B12 | 0.10 mg | 0.20 mg |
Diluent Composition
| Component | Content per Bottle |
|---|---|
| Glucose | 0.5 g |
| Distilled Water | 5.0 mL |
Preparation Procedure
- Reconstitution:
- Aseptically dissolve the content of one vial of VITALEX Growth Supplement in 5 mL of VITALEX Growth Diluent.
- Shake gently to ensure complete dissolution without forming foam.
- Enrichment:
- Add the reconstituted solution to 500 mL of autoclaved and cooled (45–50°C) G.C. Medium (ref. 610022 or 620022).
- Mix thoroughly.
- Dispensing:
- Pour the enriched medium into sterile Petri dishes under aseptic conditions.
Applications
- Clinical Diagnostics:
- Enriches culture media for isolating Neisseria meningitidis, Neisseria gonorrhoeae, and Haemophilus parainfluenzae.
- Microbiological Research:
- Supports studies on fastidious bacterial growth and antibiotic susceptibility.
Quality Control Data
| Control Parameter | Observation/Expected Result |
|---|---|
| Appearance | Pink-colored freeze-dried medium |
| Growth Results (Microbiological Testing) | |
| Escherichia coli ATCC® 25922 | Good growth |
| Haemophilus parainfluenzae ATCC® 7901 | Good growth |
| Neisseria meningitidis ATCC® 13090 | Good growth |
Appearance:
- Freeze-dried: Pink-colored powder.
- Reconstituted medium: Clear.
Storage
- Temperature: 2–8°C.
- Stability: Valid until the expiry date indicated on the label when stored under recommended conditions.
Precautions
- For In Vitro Diagnostic Use Only.
- Must be handled by properly trained personnel in a professional laboratory setting.
- Dispose of all used materials in accordance with local and laboratory guidelines for infectious agents.
Packaging
- Product Code: 81023
- Contents: 10 bottles of VITALEX Growth Supplement + 10 bottles of VITALEX Growth Diluent.
- Yield: One bottle enriches 500 mL of medium.
This supplement is a reliable and essential additive for cultivating challenging microorganisms in clinical and research settings.
References
- Piccolomini, R., et al. (1997). "J. Clin. Microbiol. 35: 1541-1544."