Table 3.
Limits of quantification (LOQ), recoveries (RE, n = 6), repeatabilities (RSDr), within-laboratory reproducibilities (RSDR), and matrix suppression/enhancement effects (MSE) for mycotoxins, plant growth regulators, and tropane alkaloids in wheat
| Analyte | LOQ [μg/kg] | RE (RSD) [%]a | RSDr [%]a | RSDR [%]a | MSE [%]b |
|---|---|---|---|---|---|
| Aflatoxin B1 | 1 | 90 (10) | 11.5 | 6.94 | − 13 |
| Aflatoxin B2 | 1 | 91 (10) | 10.2 | 14.4 | − 5 |
| Aflatoxin G1 | 1 | 108 (8) | 10.8 | 10.7 | 18 |
| Aflatoxin G2 | 1 | 94 (12) | 9.32 | 12.3 | − 1 |
| Altenuene | 20 | 94 (9) | 12.1 | 9.24 | 7 |
| Alternariol | 1 | 98 (5) | 8.33 | 11.1 | − 12 |
| Alternariol monomethyl ether | 1 | 105 (5) | 5.36 | 7.08 | − 10 |
| Citrinin | 50 | 57 (6) | 8.20 | 13.3 | − 55 |
| Deoxynivalenol | 50 | 93 (7) | 7.31 | 9.99 | 25 |
| Deoxynivalenol-3-glucoside | 50 | 87 (7) | 7.87 | 6.61 | − 25 |
| 15-Acetyldeoxynivalenol | 50 | 85 (16) | 12.4 | 10.1 | − 8 |
| 3-Acetyldeoxynivalenol | 50 | 107 (10) | 11.8 | 13.7 | − 12 |
| Diacetoxyscirpenol | 5 | 90 (7) | 9.21 | 6.70 | − 4 |
| Fumonisin B1 | 10 | 79 (17) | 12.9 | 105 | 221 |
| Hydrolyzed fumonisin B1 | 100 | 91 (9) | 8.73 | 8.44 | − 1 |
| Fumonisin B2 | 10 | 76 (12) | 8.24 | 48.9 | 249 |
| Hydrolyzed fumonisin B2 | 100 | 93 (5) | 9.95 | 5.24 | − 56 |
| Fumonisin B3 | 10 | 89 (7) | 6.67 | 49.1 | 296 |
| Fusarenon X | 300 | 104 (16) | 10.7 | 11.7 | − 2 |
| HT-2 toxin | 50 | 96 (6) | 9.61 | 10.9 | − 7 |
| Neosolaniol | 5 | 93 (9) | 11.6 | 13.8 | 7 |
| Nivalenol | 200 | 99 (4) | 6.69 | 6.74 | − 49 |
| Ochratoxin A | 3 | 89 (6) | 7.07 | 9.79 | 650 |
| Sterigmatocystin | 1 | 104 (8) | 9.87 | 8.26 | 4 |
| T-2 toxin | 10 | 98 (7) | 7.77 | 9.42 | 1 |
| Tentoxin | 5 | 101 (12) | 9.54 | 12.8 | − 12 |
| Zearalenone | 10 | 107 (5) | 4.19 | 8.18 | − 7 |
| Zearalenone-14-glucoside | 50 | 85 (8) | 7.57 | 10.0 | 274 |
| Zearalenone-14-sulfate | 50 | 84 (8) | 7.28 | 9.04 | 5 |
| Zearalenone-14,16-disulfate | 100 | 7 (10) | 10.6 | 13.4 | − 7 |
| α-Zearalenol | 10 | 102 (5) | 5.24 | 7.25 | − 5 |
| α-Zearalenol-14-glucoside | 50 | 100 (12) | 13.3 | 15.7 | 1058 |
| α-Zearalenol-14-sulfate | 10 | 79 (7) | 9.54 | 9.28 | − 8 |
| β-Zearalenol | 10 | 97 (4) | 8.11 | 8.92 | − 8 |
| β-Zearalenol-14-glucoside | 50 | 80 (11) | 16.0 | 16.5 | 1574 |
| β-Zearalenol-14-sulfate | 10 | 70 (8) | 15.0 | 11.1 | −2 |
| Zearalanone | 10 | 104 (6) | 6.34 | 7.57 | − 7 |
| Zearalanone-14-glucoside | 10 | 92 (11) | 8.16 | 8.33 | 267 |
| α-Zearalanol | 100 | 101 (6) | 6.18 | 7.80 | − 11 |
| β-Zearalanol | 100 | 95 (9) | 8.34 | 13.7 | − 5 |
| Chlormequat | 5 | 91 (5) | 7.40 | 3.60 | − 58 |
| Mepiquat | 5 | 95 (4) | 10.2 | 4.08 | − 33 |
| Atropine | 5 | 103 (4) | 11.5 | 6.52 | − 57 |
| Scopolamine | 5 | 105 (3) | 8.96 | 4.95 | − 47 |
aEvaluated at spiking level of LOQ
bEvaluated at spiking level no. 7