Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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HiEncap™ Nutrient Broth
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SKU:
EC002D
For general cultivation of less fastidious microorganisms, can be enriched with blood or other biological fluids.
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Intended Use
Recommended for general cultivation of less fastidious microorganisms, can be enriched with blood or other biological fluids.
Composition
| Ingredients | Gms / Litre |
|---|---|
| Peptone | 5.000 |
| Sodium chloride | 5.000 |
| HM peptone B # | 1.500 |
| Yeast extract | 1.500 |
| Final pH (at 25°C) | 7.4±0.2 |
**Formula adjusted, standardized to suit performance parameters
# Equivalent to Beef extract
Directions
Each capsule contains 6.5 grams of media. Suspend 1 capsule in 500 ml (2 capsules in 1000 ml) distilled or purified water. Heat to boiling to dissolve the medium completely. Dispense as desired and sterilize by autoclaving at 15 lbs pressure (121° C) for 15 minutes.
Principle and Interpretation
Nutrient media are basic culture media used for maintaining microorganisms, cultivating fastidious organisms by enriching with serum or blood and are also used for purity checking prior to biochemical or serological testing (5,6). Nutrient Broth has the formula originally designed for use in the Standard Method for Examination of Water and Waste water. It is one of the several non-selective media useful in routine cultivation of microorganisms (1,7). It can be used for the cultivation and enumeration of bacteria which are not particularly fastidious. Addition of different biological fluids such as horse or sheep blood, serum, egg yolk etc. makes it suitable for the cultivation of related fastidious organisms. Peptone, HM peptone B and yeast extract provide the necessary nitrogen compounds, carbon, vitamins and also some trace ingredients necessary for the growth of bacteria. Sodium chloride maintains the osmotic equilibrium of the medium.
Type of Specimen
Clinical samples; Food and dairy samples; Water samples.
Specimen Collection and Handling
For clinical samples follow appropriate techniques for handling specimens as per established guidelines (3,4). For food and dairy samples, follow appropriate techniques for sample collection and processing as per guidelines (1,7,8). For water samples, follow appropriate techniques for sample collection, processing as per guidelines and local standards.(2) After use, contaminated materials must be sterilized by autoclaving before discarding.
Warning and Precautions
In Vitro diagnostic use. Read the label before opening the container. Wear protective gloves/protective clothing/eye protection/face protection. Follow good microbiological lab practices while handling specimens and culture. Standard precautions as per established guidelines should be followed while handling clinical specimens. Safety guidelines may be referred in individual safety data sheets.
Limitations
- This medium is general purpose medium and may not support the growth of fastidious organisms.
Performance and Evaluation
Performance of the medium is expected when used as per the direction on the label within the expiry period when stored at recommended temmperature.
Quality Control
Appearance: Gelatin capsule containing cream to yellow coloured granular media
Colour and Clarity of prepared medium: Light amber coloured clear solution in tubes
Quantity: Each capsule contains 6.5 grams of medium sufficient for 500 ml media
Reaction: Reaction of 1.3% w/v aqueous solution at 25°C. pH: 7.4±0.2
pH: 7.20-7.60
Cultural Response: Cultural characteristics observed after an incubation at 35-37°C for 18-48 hours.
| Organism | Inoculum (CFU) | Growth |
|---|---|---|
| Escherichia coli ATCC 25922 (00013*) | 50-100 | good-luxuriant |
| Pseudomonas aeruginosa ATCC 27853 (00025*) | 50-100 | good-luxuriant |
| Staphylococcus aureus subsp. aureus ATCC 25923 (00034*) | 50-100 | good-luxuriant |
| Streptococcus pyogenes ATCC 19615 | 50-100 | good-luxuriant |
Key: *Corresponding WDCM numbers.
Storage and Shelf Life
Store between 10-30°C in a tightly closed container and the prepared medium at 15-25°C. Use before expiry date on the label. On opening, product should be properly stored dry, after tightly capping the bottle in order to prevent lump formation due to the hygroscopic nature of the product. Improper storage of the product may lead to lump formation. Store in dry ventilated area protected from extremes of temperature and sources of ignition. Seal the container tightly after use. Product performance is best if used within stated expiry period.
Disposal
User must ensure safe disposal by autoclaving and/or incineration of used or unusable preparations of this product. Follow established laboratory procedures in disposing of infectious materials and material that comes into contact with clinical sample must be decontaminated and disposed of in accordance with current laboratory techniques (3,4).
| Product Name | HiEncap™ Nutrient Broth |
|---|---|
| SKU | EC002D |
| Application/ Industry | Clinical, Food, Dairy, Water, Textile |
| Product Type | HiEncap™ |
| Physical Form | Granulated Media in Gelatin Capsule |
| Origin | Animal |
| Packaging type | HDPE Jar |
| References | 1.Lapage S., Shelton J. and Mitchell T., 1970, Methods in Microbiology, Norris J. and Ribbons D., (Eds.), Vol. 3A, AcademicPress, London. 2.MacFaddin J. F., 2000, Biochemical Tests for Identification of Medical Bacteria, 3rd Ed., Lippincott, Williams and Wilkins,Baltimore. 3.Downes F. P. and Ito K., (Ed.), 2001, Compendium of Methods for the Microbiological Examination of Foods, 4th Ed.,American Public Health Association, Washington,D.C. 4.American Public Health Association, Standard Methods for the Examination of Dairy Products, 1978, 14th Ed., WashingtonD.C. |
| Customized Product Available | No |
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