| Antifungal agent  | 
        Concentration, ppm | 
        Frass (mg) | 
        Weight gain (mg) | 
        CR (mg/day) | 
        RCR (day-1) | 
        AD (%) | 
        ECI (%) | 
        ECD (%) | 
       
      
        | Methyl paraben | 
        1000 | 
        93.5 ± 6.87a | 
        56.1 ± 4.17a | 
        24.3 ± 1.11a | 
        0.5 ± 0.03b | 
        67.4 ± 1.30b | 
        19.7 ± 0.85a | 
        30.5 ± 1.67a | 
       
      
        |   | 
        5000 | 
        91.5 ± 6.41a | 
        53.5 ± 3.65a | 
        24.6 ± 1.08a | 
        0.6 ± 0.03b | 
        68.2 ± 1.24b | 
        18.5 ± 0.69a | 
        28.3 ± 1.38a | 
       
      
        |   | 
        10000 | 
        62.5 ± 5.12b | 
        34.8 ± 2.80b | 
        19.5 ± 0.89b | 
        0.7 ± 0.05a | 
        72.6 ± 1.32a | 
        15.0 ± 0.71b | 
        21.6 ± 1.29b | 
       
      
        | Potassium sorbate | 
        1000 | 
        99.7 ± 8.67a | 
        58.7 ± 4.61a | 
        25.0 ± 1.42a | 
        0.5 ± 0.04b | 
        66.0 ± 1.47b | 
        20.2 ± 0.88a | 
        31.8 ± 1.74a | 
       
      
        |   | 
        5000 | 
        98.8 ± 9.17a | 
        52.3 ± 4.51a | 
        24.1 ± 1.48a | 
        0.5 ± 0.03b | 
        65.2 ± 1.51b | 
        18.6 ± 0.82a | 
        29.7 ± 1.72a | 
       
      
        |   | 
        10000 | 
        51.1 ± 3.87b | 
        28.6 ± 2.29b | 
        16.8 ± 0.67b | 
        0.7 ± 0.05a | 
        73.9 ± 1.12a | 
        14.4 ± 0.69b | 
        20.2 ± 1.18b | 
       
      
        | Sodium propionate | 
        1000 | 
        100.5 ± 8.13a | 
        57.8 ± 3.86a | 
        25.8 ± 1.41a | 
        0.5 ± 0.04b | 
        66.4 ± 1.50b | 
        19.8 ± 0.72a | 
        30.9 ± 1.41a | 
       
      
        |   | 
        5000 | 
        95.7 ± 6.79a | 
        56.7 ± 3.58a | 
        23.5 ± 1.10a | 
        0.5 ± 0.03b | 
        65.6 ± 1.22b | 
        20.8 ± 0.75a | 
        32.8 ± 1.44a | 
       
      
        |   | 
        10000 | 
        41.0 ± 3.26b | 
        27.4 ± 2.20b | 
        15.2 ± 0.63b | 
        0.8 ± 0.07a | 
        76.9 ± 1.15a | 
        15.3 ± 0.84b | 
        20.8 ± 1.38b | 
       
     
    Mean ± SEM followed by the same letter within columns are not significantly different (6 replications, P<0.05, Tukey HSD test [JMP 10]). |