Table 4. Range of Occurrence (mg/kg) ± SD (Standard Deviation) of the Six OAs in Six Replicates (n = 6) for Each of the Nine Bakery Products Analyzeda.
| sample code | morphine | codeine | thebaine | papaverine | noscapine | oripavine |
|---|---|---|---|---|---|---|
| BS-1 | ND | ND | ND | <MQL | ND | ND |
| BS-2 | ND | ND | ND | <MQL | ND | ND |
| BS-3 | ND | ND | <MQL | <MQL | <MQL | ND |
| BS-4 | ND | <MQL | <MQL to 0.22 ± 0.01 | <MQL | ND | ND |
| BS-5 | ND | ND | <MQL | ND | ND | ND |
| SB-1 | ND | <MQL | <MQL | <MQL | <MQL | ND |
| SB-2 | ND | <MQL to 1.03 ± 0.06 | <MQL to 2.4 ± 0.2 | <MQL | ND | ND |
| SB-3 | <MQL to 0.09 ± 0.01 | 1.39 ± 0.08 to 7.4 ± 0.4 | <MQL | <MQL | <MQL to 0.24 ± 0.01 | ND |
| SB-4 | <MQL to 0.16 ± 0.02 | <MQL to 8.3 ± 0.5 | <MQL | ND | ND | ND |
a
BS: breadsticks; SB: sliced bread; ND: not detected; and <MQL: lower than method quantification limit but higher than the method detection limit (MDL). SD: standard deviation calculated with the corresponding validation level at intraday precision.