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. 2023 May 20;9(6):e16537. doi: 10.1016/j.heliyon.2023.e16537

Table 4.

Effect of different decontamination treatments in the removal of imidacloprid in brinjal and okra.

Treatment No. Treatment details Brinjal
Reduction (%) Okra
Reduction (%)
Recommended dose (20 g a.i. ha−1)
Recommended dose (20 g a.i. ha−1)
Initial Residues levels mgkg−1 ± SD Residue after treatment mgkg1 ± SD Initial Residue levels mgkg−1± SD Residue after treatment mgkg−1± SD
T1 Dipping in 2% Tamarind solution for 15 min 0.349 ± 0.049 0.118 ± 0.01 66.19e 0.577 ± 0.054 0.219 ± 0.010 62.05bc
T2 Dipping in 2% of sodium bicarbonate solution 0.349 ± 0.049 0.136 ± 0.03 61.03e 0.577 ± 0.054 0.339 ± 0.002 41.25f
T3 Dipping in 1% turmeric solution for 15 min 0.349 ± 0.049 0.082 ± 0.02 76.50d 0.577 ± 0.054 0.233 ± 0.022 59.62c
T4 1 lemon in 1 L of water 0.349 ± 0.049 0.077 ± 0.02 77.94cd 0.577 ± 0.054 0.201 ± 0.02 65.17b
T5 Dipping in 4% of acetic acid solution for 15 min 0.349 ± 0.049 0.060 ± 0.08 82.81c 0.577 ± 0.054 0.311 ± 0.012 46.10e
T6 Dipping in 2% salt solution + boiling for 5 min 0.349 ± 0.049 0.002 ± 0.05 99.43a 0.577 ± 0.054 0.502 ± 0.023 12.99h
T7 Dipping in 2% salt solution for 15 min 0.349 ± 0.049 0.038 ± 0.23 89.11b 0.577 ± 0.054 0.276 ± 0.003 52.16d
T8 Dipping in hot water for 15 min 0.349 ± 0.049 0.125 ± 0.09 64.18e 0.577 ± 0.054 0.223 ± 0.012 59.219c
T9 Dipping in tap water for 15 min 0.349 ± 0.049 0.064 ± 0.03 81.66cd 0.577 ± 0.054 0.490 ± 0.032 28.77g
T10 Boiling for 5 min 0.349 ± 0.049 0.076 ± 0.03 78.22cd 0.577 ± 0.054 0.152 ± 0.021 73.65a
SEM± 1.15 0.67
CD (%) 3.39 2.05
CV 0.03 0.03

SD: Standard deviation; Significant Differences (p < 0.05, student's paired t-test) are mentioned with different alphabets in the same test item.