Detection of Salmonella

  • Product Code: 127388
Detection of Salmonella spp. concentration in food and cosmetic samples using pre-enrichment, and selective enrichment (XLD agar plating).
฿800.00

label Sample Names

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assignment Instructions

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description Sample Requirement

10 grams

insert_drive_file Report of Previously Tested Sample

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timeline Service Steps

Step Procedure Expected Result
1

Aseptically transfer...
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Sample prepared for homogenization and neutralization. Turbid growth indicating enrichment.
2

Streak an...
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From SCDA/TSA, select colonies that fit an enteric Gram-negative rod profile:

  • smooth colony type,
  • Gram-negative rod on smear,
  • oxidase negative preferred. ISO 18415 directs Gram stain first and oxidase testing for Gram-negative rods, then a suitable identification path.
3

Pick suspicious...
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Black-centered colonies on XLD indicating presumptive Salmonella (30-300 colonies ideal).
4

Count colonies...
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Reported Salmonella CFU per gram.

Detection of Salmonella
Quantitative estimation of Salmonella spp. concentration in food and cosmetic samples using pre-enrichment, selective enrichment, and XLD agar plating. Sample Requirement: 10 grams
Quantitative estimation of Salmonella spp. concentration in food and cosmetic samples using pre-enrichment, selective enrichment, and XLD agar plating. Sample Requirement: 10 grams
Mechanism -
Appearance -
Longevity -
Strength -
Storage -
Shelf Life -
Allergen(s) -
Dosage (Range) -
Recommended Dosage -
Dosage (Per Day) -
Recommended Dosage (Per Day) -
Mix Method -
Heat Resistance -
Stable in pH range -
Solubility -
Product Types -
INCI -
Service Steps
Step Procedure Expected Result
1

Aseptically transfer...

Sample prepared for homogenization and neutralization. Turbid growth indicating enrichment.
2

Streak an...

From SCDA/TSA, select colonies that fit an enteric Gram-negative rod profile:

  • smooth colony type,
  • Gram-negative rod on smear,
  • oxidase negative preferred. ISO 18415 directs Gram stain first and oxidase testing for Gram-negative rods, then a suitable identification path.
3

Pick suspicious...

Black-centered colonies on XLD indicating presumptive Salmonella (30-300 colonies ideal).
4

Count colonies...

Reported Salmonella CFU per gram.