Table 1.
Larvicidal activities (LC50) and 95% confidence intervals (CI) of carvacrol and its derivatives on third-instar larvae of Ae. Aegypti
| Compound name | LC50 ppm (CI) Field collected | LC50 ppm (CI) Rockefeller |
|---|---|---|
| Carvacrol, 1a | 51 (48 to 55) | 47 (43 to 50) |
| Carvacryl acetate, 2a | 93 (84 to 104) | 72 (65 to 79) |
| Carvacryl chloroacetate, 2b | 52 (44 to 59) | 39 (37 to 42) |
| Carvacryl trichloroacetate, 2c | 77 (68 to 86) | 54 (47 to 60) |
| Carvacryl propionate, 2d | 66 (57 to 77) | 77 (70 to 83) |
| Carvacryl benzoate, 2e | 58 (49 to 69) | 57 (45 to 72) |
| Carvacryl methyl ether, 2f | 136 (116 to 154) | 60 (52 to 69) |
| Carvacryl ethyl ether, 2g | 120 (100 to 148) | 67 (57 to 76) |
| 2-Hydroxy-3-methyl-6-(1-methylethyl)-benzaldehyde, 2h | 66 (58 to 75) | 56 (51 to 61) |
| Carvacrylglycolic acid, 2i | 169 (158 to 180) | 113 (101 to 123) |