Independent Laboratory Testing of ViraFungal Fighter
ANTIMICROBIAL PRESERVATIVE EFFECTIVENESS VALIDATION TEST
The antimicrobial preservative properties present in the sample (4 x 2 fl. oz. ViraFungal Fighter) can be neutralized under the test conditions described below:
Test Microorganism |
Diluent |
Dilution |
Inoculum CFU/plate |
Microbial Recovery CFU/plate |
Percent Recovery |
Initial Inoculum/gm |
CFUs/gm 14 Days |
CFUs/gm 28 Days |
Log Reduction from Initial Inoculum 14 Days |
Log Reduction from Initial Inoculum 28 Days |
Aspergillus niger (mold) |
DNB |
1:10 |
46 |
39 |
85 |
1.3E6 |
3.3E3 |
2.2E3 |
2.6 |
2.8 |
Candida albicans (yeast) |
DNB |
1:10 |
48 |
48 |
100 |
3.3E5 |
<10 |
<10 |
4.5 |
4.5 |
Escherichia coli (bacteria) |
DNB |
1:10 |
42 |
41 |
98 |
2.7E6 |
<10 |
<10 |
5.4 |
5.4 |
Pseudomonas aeruginosa (bacteria) |
DNB |
1:10 |
26 |
25 |
96 |
2.4E6 |
<10 |
<10 |
5.4 |
5.4 |
Staphylococcus aureus (bacteria) |
DNB |
1:10 |
31 |
22 |
71 |
2.9E6 |
<10 |
<10 |
5.5 |
5.5 |
Note: Numbers in the report such as 2.3E5 are an alternate exponential format for 2.3 x 103. CFU = Colony Forming Units. Plating media: Microbial Content Test Agar (Bacteria), Sabouraud Dextrose Agar (Yeast and Mold).
The above test results meet the current USP Category 2 Criteria of Acceptance for the Antimicrobial Preservative Effectiveness Test. BioScreen Testing Services • F.D.A. Registered • California State Certified • D.E.A. Registered. |
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Grape seed and grapefruit seed extracts are natural organic products that vary with weather and environmental changes. You may notice a difference in flavor or aroma from one batch to another. Each new batch is lab certified for purity and effectiveness against viruses, fungus and bacteria.