Table 2 Effect of Tween 20 and Cremophor El on the antimicrobial activity of OV EO
From: Chemical profiling, biostatic and biocidal dynamics of Origanum vulgare L. essential oil
System | Oil conc. (%v/v) | Test microorganism (ATCC no.) | ||
|---|---|---|---|---|
S. aureus (6538) | E. coli (8729) | C. albicans (10231) | ||
Viable count, CFU/mla (%killing) | ||||
Waterb | 0 | 5.58 × 106 | 2.05 × 107 | 2.58 × 106 |
2 | 5.02 × 103 (99.902) | < 5.00 × 101 (> 99.999) | 2.35 × 103 (99.909) | |
Tween 20, 1% | 0 | 5.26 × 106 | 9.50 × 106 | 5.25 × 105 |
2 | 1.18 × 105 (97.8) | <5.00 × 101 (> 99.999) | 1.35 × 104 (97.429) | |
Crempohor El, 1% | 0 | 5.25 × 106 | 9.55 × 106 | 5.25 × 105 |
2 | 2.00 × 105 (96.20) | < 5.00 × 101 (> 99.999) | 8.30 × 103 (98.40) | |