Table 1.
Effect of household processing of orange on the concentration of pesticide residue and processing factors (n = 3).
| Abamectin | Buprofezin | Ethoxazole | Imazalil | Thiophanate-Methyl | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Process | C (mg/kg) | P F | C (mg/kg) | P F | C (mg/kg) | P F | C (mg/kg) | P F | C (mg/kg) | P F | 
| Raw agricultural commodity (RAC) | 0.030 ± 0.004 | - | 0.189 ± 0.047 | - | 0.082 ± 0.025 | 2.113 ± 0.475 | 0.110 ± 0.030 | |||
| Washing | 0.020 ± 0.003 | 0.663 ± 0.115 | 0.136 ± 0.023 | 0.720 ± 0.121 | 0.050 ± 0.001 | 0.616 ± 0.011 | 1.643 ± 0.271 | 0.776 ± 0.127 | 0.019 ± 0.003 | 0.173 ± 0.028 | 
| Peeling: Separation of peel | 0.080 ± 0.012 | 2.68 ± 0.42 | 0.650 ± 0.091 | 3.43 ± 0.48 | 0.396 ± 0.025 | 4.83 ± 0.307 | 2.963 ± 0.366 | 1.40 ± 0.176 | 0.404 ± 0.041 | 3.67 ± 0.37 | 
| Peeling: Separation of pulp | <LOQ | <0.330 | 0.080 ± 0.014 | 0.423 ± 0.076 | <LOQ 1 | <0.120 | 0.453 ± 0.011 | 0.216 ± 0.005 | 0.015 ± 0.005 | 0.146 ± 0.005 | 
| Fruit juice | <LOQ | <0.330 | 0.037 ± 0.001 | 0.200 ± 0.001 | <LOQ 1 | <0.120 | 0.580 ± 0.001 | 0.270 ± 0.001 | 0.039 ± 0.316 | 0.363 ± 0.063 | 
| Homemade jam | <LOQ | <0.330 | 0.019 ± 0.005 | 0.103 ± 0.028 | <LOQ 1 | <0.120 | 0.105 ± 0.008 | 0.050 ± 0.001 | <LOQ 1 | <0.090 | 
| Frozen storage of grated peels (1st month) | 0.090 ± 0.017 | 2.83 ± 0.58 | 0.840 ± 0.036 | 4.60 ± 1.04 | 0.466 ± 0.030 | 6.07 ± 1.92 | 3.866 ± 0.075 | 1.90 ± 0.487 | 0.520 ± 0.051 | 4.88 ± 0.29 | 
| Frozen storage of grated peels (2nd month) | 0.069 ± 0.011 | 2.32 ± 0.39 | 0.686 ± 0.025 | 3.62 ± 0.13 | 0.436 ± 0.005 | 5.33 ± 0.08 | 3.753 ± 0.254 | 1.78 ± 0.121 | 0.486 ± 0.127 | 3.53 ± 0.77 | 
| Frozen storage of grated peels (3rd month) | 0.032 ± 0.011 | 1.11 ± 0.43 | 0.533 ± 0.020 | 2.81 ± 0.11 | 0.393 ± 0.152 | 4.80 ± 0.19 | 2.846 ± 0.06 | 1.35 ± 0.02 | 0.390 ± 0.085 | 3.26 ± 1.73 | 
1 LOQ: limit of determination, 0.01 mg/kg, residue amount (B) is taken as 0.010 mg/kg when calculating the processing factor for these processes (Scholtz vd., 2017).