From: Effect of Chinese steamed bun and bread processing on pesticide residues in wheat flour
Treatment | Sample | Pesticide (mean ± SD) | ||||
---|---|---|---|---|---|---|
Triadimefon | Imidacloprid | Fenitrothion | Chlorpyrifos-methyl | Chlorpyrifos | ||
Chinese steamed bun processing | Spiked wheat flour | 3.01a ± 0.067 | 3.26a ± 0.053 | 3.10a ± 0.055 | 2.93a ± 0.030 | 2.77a ± 0.058 |
Mixed dough | 1.63b ± 0.058 | 1.93b ± 0.116 | 1.88b ± 0.034 | 1.96b ± 0.043 | 1.78b ± 0.014 | |
Fermented dough | 1.47bc ± 0.026 | 1.76bc ± 0.037 | 1.62c ± 0.048 | 1.61c ± 0.039 | 1.69bc ± 0.045 | |
Rested dough | 1.40c ± 0.058 | 1.71bc ± 0.017 | 1.56c ± 0.040 | 1.60c ± 0.040 | 1.66bc ± 0.051 | |
Chinese steamed bun crust | 2.13d ± 0.021 | 1.80bc ± 0.007 | 1.14d ± 0.060 | 0.99d ± 0.114 | 1.60c ± 0.048 | |
Chinese steamed bun crumb | 1.34c ± 0.019 | 1.62c ± 0.061 | 1.21d ± 0.064 | 1.09d ± 0.029 | 1.59c ± 0.035 | |
Bread processing | Spiked wheat flour | 3.01a ± 0.067 | 3.26a ± 0.053 | 3.10a ± 0.055 | 2.93a ± 0.030 | 2.77a ± 0.058 |
Mixed dough | 1.65b ± 0.086 | 1.82b ± 0.010 | 1.67b ± 0.064 | 1.74b ± 0.030 | 1.64b ± 0.027 | |
Fermented dough | 1.28c ± 0.074 | 1.65bc ± 0.034 | 1.63b ± 0.075 | 1.58c ± 0.024 | 1.50bc ± 0.053 | |
Rested dough | 1.26c ± 0.140 | 1.51c ± 0.063 | 1.57b ± 0.073 | 1.52c ± 0.012 | 1.44cd ± 0.006 | |
Bread crust | 2.08d ± 0.024 | 2.77d ± 0.007 | 0.36c ± 0.067 | 0.31d ± 0.095 | 1.40cd ± 0.081 | |
Bread crumb | 1.44bc ± 0.063 | 1.46c ± 0.124 | 0.90d ± 0.090 | 0.82e ± 0.126 | 1.31d ± 0.068 |