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Development and inter-laboratory study of a method for quantification of fumonisin B1, B2 and B3 in pet foods
in World Mycotoxin JournalSearch for other papers by M. Nomura in
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Search for other papers by T. Ishibashi in
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An analytical method to determine fumonisin B1 (FB1), B2 (FB2) and B3 (FB3) in pet foods using a liquid chromatography-electrospray ionization-mass spectrometer (LC-ESI-MS) was developed, and an inter-laboratory study was conducted in eleven laboratories. FB1, FB2 and FB3 were extracted with aqueous acetonitrile. The extract was purified by a multifunctional column, MultiSep 211 Fum, and analysed by LC-ESI-MS. The limit of quantification of fumonisins was estimated to be 0.2 mg/kg for dry and semi-dry pet foods, and 0.1 mg/kg for wet pet food. The calibration curve showed linearity in the range of 0.1-5 ng of fumonisins (0.02-1.0 μg/ml). The values of the mean recovery for FB1 at 0.1-1.0 mg/kg were 93.3-107% and of the relative standard deviation less than 7.9%. These values were 87.3-102 and 8.6% for FB2 and 90.8-102 and 8.6% for FB3, respectively. The mean recovery, repeatability, reproducibility and the Horwitz ratio for FB1 from the inter-laboratory validation study were 92.9-98.9%, 2.6-4.6%, 6.8-10% and 0.41-0.54, respectively. The values for FB2 were 91.5-94.7%, 2.7-5.9%, 6.8-8.9% and 0.33-0.55, respectively, and the values for FB3 were 90.1-94.3%, 3.3-5.9%, 7.3-9.5% and 0.44-0.57, respectively.
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Aoyama, K., Nakajima, M., Tabata, S., Ishikuro, E., Tanaka, T., Norizuki, H., Itoh, Y., Fujita, K., Kai, S., Tsutsumi, T., Takahashi, M., Tanaka, H., Iizuka, S., Ogiso, M., Maeda, M., Yamaguchi, S., Sugiyama, K., Sugita-Konishi, Y. and Kumagai, S., 2010. Four-year surveillance for ochratoxin A and fumonisins in retail foods in Japan. Journal of Food Protection 73: 344-352.
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| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 148 | 57 | 12 |
| Gesamttextansichten | 11 | 0 | 0 |
| PDF-Downloads | 10 | 0 | 0 |
Development and inter-laboratory study of a method for quantification of fumonisin B1, B2 and B3 in pet foods
in World Mycotoxin JournalSearch for other papers by M. Nomura in
Current site
Google Scholar
PubMed
Search for other papers by T. Ishibashi in
Current site
Google Scholar
PubMed
Search for other papers by T. Komoriya in
Current site
Google Scholar
PubMed
Search for other papers by T. Nagahara in
Current site
Google Scholar
PubMed
Search for other papers by T. Chihara in
Current site
Google Scholar
PubMed
An analytical method to determine fumonisin B1 (FB1), B2 (FB2) and B3 (FB3) in pet foods using a liquid chromatography-electrospray ionization-mass spectrometer (LC-ESI-MS) was developed, and an inter-laboratory study was conducted in eleven laboratories. FB1, FB2 and FB3 were extracted with aqueous acetonitrile. The extract was purified by a multifunctional column, MultiSep 211 Fum, and analysed by LC-ESI-MS. The limit of quantification of fumonisins was estimated to be 0.2 mg/kg for dry and semi-dry pet foods, and 0.1 mg/kg for wet pet food. The calibration curve showed linearity in the range of 0.1-5 ng of fumonisins (0.02-1.0 μg/ml). The values of the mean recovery for FB1 at 0.1-1.0 mg/kg were 93.3-107% and of the relative standard deviation less than 7.9%. These values were 87.3-102 and 8.6% for FB2 and 90.8-102 and 8.6% for FB3, respectively. The mean recovery, repeatability, reproducibility and the Horwitz ratio for FB1 from the inter-laboratory validation study were 92.9-98.9%, 2.6-4.6%, 6.8-10% and 0.41-0.54, respectively. The values for FB2 were 91.5-94.7%, 2.7-5.9%, 6.8-8.9% and 0.33-0.55, respectively, and the values for FB3 were 90.1-94.3%, 3.3-5.9%, 7.3-9.5% and 0.44-0.57, respectively.
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 148 | 57 | 12 |
| Gesamttextansichten | 11 | 0 | 0 |
| PDF-Downloads | 10 | 0 | 0 |
