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.