Microbial Challenge Test

  • Product Code: 32077
Microbial Challenge Test for testing the effectiveness of preservatives used in formulas. To ensure that it is effective enough to control infection using ISO 11930.
฿3,950.00

label Sample Names

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assignment Instructions

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description Sample Requirement

100 g

insert_drive_file Report of Previously Tested Sample

Select a tab and click View to open the report.

timeline Service Steps

Step Procedure Expected Result
1

1. Tryptic...

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Preparation of the media

2

The...

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Test Microorganisms

3

Prepare a...

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Preparation of the inoculum (N)

4
  • Sampling: Dispense...
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Day 0: Inoculation & Calculation of N0

5

At each...

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Day 7, 14, and 28: Sampling & Enumeration

6
Incubate plates:...
check_circle_outline Colony counts for log reduction calculation.
7

To evaluate...

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Calculation of Log Reduction (Rx​)

8

At 0,...

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Log10 reductions: Criteria A (no increase 7d fungi/bact, ≥3log 14d) or B (≤0.5log 7d, ≥3log 28d).

9
Include sterility...
check_circle_outline Controls pass (no growth in sterility, recovery >70% in neutralizer).

Microbial Challenge Test
Microbial Challenge Test for testing the effectiveness of preservatives used in formulas. To ensure that it is effective enough to control infection using ISO 11930. Sample Requirement: 100 g
Microbial Challenge Test for testing the effectiveness of preservatives used in formulas. To ensure that it is effective enough to control infection using ISO 11930. Sample Requirement: 100 g
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Service Steps
Step Procedure Expected Result
1

1. Tryptic...

Preparation of the media

2

The...

Test Microorganisms

3

Prepare a...

Preparation of the inoculum (N)

4
  • Sampling: Dispense...

Day 0: Inoculation & Calculation of N0

5

At each...

Day 7, 14, and 28: Sampling & Enumeration

6 Incubate plates:... Colony counts for log reduction calculation.
7

To evaluate...

Calculation of Log Reduction (Rx​)

8

At 0,...

Log10 reductions: Criteria A (no increase 7d fungi/bact, ≥3log 14d) or B (≤0.5log 7d, ≥3log 28d).

9 Include sterility... Controls pass (no growth in sterility, recovery >70% in neutralizer).