Duration of vortexing in water or sanitizer | Swatch type | Exp. no. | Inoculum (CFU/ Swatch) | Recovery of viable cells from water washed swatch (CFU /aSD) | Recovery of viable cells from sanitizer washed swatch (CFU /aSD) | Percent reduction |
10 Seconds (Carrier Count Control) | Gemini™ | 1 | 1.7 × 107 | 2.5 × 105 /1.5 × 105 | 1.4 × 105 /1.8 × 105 | 46 |
Gemini™ | 2 | 1.9 × 107 | 8.1 × 105 /3.8 × 105 | 1.8 × 105 /1.6 × 105 | 77 | |
Gemini™ | 3 | 3.7 × 107 | 5.1 × 104 /1.2 × 104 | 6.6 × 103 /1.4 × 103 | 87 | |
Gemini™ | 4 | 3.4 × 107 | 1.9 × 105 /1.2 × 105 | 3.5 × 104 /1.7 × 104 | 82 | |
Advance™ | 1 | 2.5 × 107 | 4.3 × 104 /1.2 × 104 | 1.7 × 102 /1.1 × 102 | 99.6 | |
Advance™ | 2 | 2.5 × 107 | 4.3 × 104 /6.5 × 103 | 4.7 × 102 /9.7 × 101 | 98.9 | |
Pioneer™ | 1 | 2.4 × 107 | 4.0 × 105 /4.8 × 104 | 1.1 × 101 /1.3 × 101 | 100 | |
Cotton | 1 | 2.4 × 107 | 1.5 × 106 /5.8 × 104 | 2.3 × 102 /3.2 × 102 | 99.9 | |
10 Minutes (Carrier Count Control) | Gemini™ | 1 | 3.3 × 107 | 3.2 × 105 /2.6 × 105 | 1.2 × 105 /7.3 × 104 | 63 |
Gemini™ | 2 | 1.4 × 107 | 9.0 × 105 /3.1 × 104 | 9.1 × 103 /4.3 × 103 | 99 | |
Gemini™ | 3 | 3.5 × 107 | 1.6 × 106 /7.9 × 105 | 7.9 × 105 /8.4 × 105 | 51 | |
Gemini™ | 4 | 3.0 × 107 | 4.8 × 106 /9.2 × 105 | 1.9 × 106 /1.6 × 106 | 61 | |
Advance™ | 1 | 2.1 × 107 | 4.3 × 104 /1.4 × 105 | 1.9 × 102 /7.7 × 102 | 99.5 | |
Advance™ | 2 | 2.5 × 107 | 4.3 × 104 /1.7 × 104 | 2.1 × 103 /5.8 × 102 | 95 | |
Pioneer™ | 1 | 3.9 × 107 | 8.2 × 104 /3.2 × 104 | 0 | 100 | |
Cotton | 1 | 2.2 × 107 | 1.2 × 106 /4.8 × 105 | 0 | 100 | |
Washer/Extractor | Swatch type | Exp. no. | Inoculum (CFU/ Swatch) | Recovery of viable cells from unwashed swatch (CFU /aSD) | Recovery of viable cells from sanitizer washed swatch (CFU /aSD) | Percent reduction |
Test 1 | Gemini™ | 1 | 2.9 × 107 | 1.6 × 106 /5.7 × 105 | 4.2 × 103 /1.4 × 103 | 99.7 |
Test 2 | Pioneer™ | 1 | 2.9 × 107 | 1.3 × 106 /5.8 × 105 | 0 | 100 |