By-products of grain cleaning: an opportunity for rapid sampling and screening of wheat for mycotoxins
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By-products of cereal grain cleaning were analysed for a number of mycotoxins. Deoxynivalenol (DON) was the most frequently detected in by-products from commercial-scale cleaning procedures (maximum 2.94 mg/kg), followed by zearalenone (ZEA; maximum 0.045 mg/kg) and ochratoxin A (OTA; maximum 0.019 mg/kg). These three mycotoxins were also the most frequently detected in four different fractions collected from wheat run through a dockage tester, a piece of equipment used in the Canadian inspection process to separate material other than grain from wheat. Concentrations of mycotoxins were highest in the ‘light dockage’ fraction that contained dust and roughage such as glumes, fragments of stem, or rachis. Mycotoxin concentrations in this fraction reached up to 32 mg/kg (DON), 0.532 mg/kg (ZEA), and 0.249 mg/kg (OTA). Concentrations of DON in light dockage were significantly correlated with concentrations in whole grain that was un-cleaned or had undergone basic cleaning, indicating that the light dockage fraction could be used as a readily available matrix for the rapid screening of DON in wheat. This would eliminate the time required for additional sampling and preparation of whole grain, and move towards a truly rapid method for the screening of DON in wheat.
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| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 253 | 98 | 14 |
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By-products of grain cleaning: an opportunity for rapid sampling and screening of wheat for mycotoxins
In: World Mycotoxin JournalSearch for other papers by S.A. Tittlemier in
Current site
Google Scholar
PubMed
Search for other papers by D. Sobering in
Current site
Google Scholar
PubMed
Search for other papers by K. Bowler in
Current site
Google Scholar
PubMed
Search for other papers by T. Zirdum in
Current site
Google Scholar
PubMed
Search for other papers by D. Gaba in
Current site
Google Scholar
PubMed
Search for other papers by J.M. Chan in
Current site
Google Scholar
PubMed
Search for other papers by M. Roscoe in
Current site
Google Scholar
PubMed
Search for other papers by R. Blagden in
Current site
Google Scholar
PubMed
Search for other papers by L. Campbell in
Current site
Google Scholar
PubMed
By-products of cereal grain cleaning were analysed for a number of mycotoxins. Deoxynivalenol (DON) was the most frequently detected in by-products from commercial-scale cleaning procedures (maximum 2.94 mg/kg), followed by zearalenone (ZEA; maximum 0.045 mg/kg) and ochratoxin A (OTA; maximum 0.019 mg/kg). These three mycotoxins were also the most frequently detected in four different fractions collected from wheat run through a dockage tester, a piece of equipment used in the Canadian inspection process to separate material other than grain from wheat. Concentrations of mycotoxins were highest in the ‘light dockage’ fraction that contained dust and roughage such as glumes, fragments of stem, or rachis. Mycotoxin concentrations in this fraction reached up to 32 mg/kg (DON), 0.532 mg/kg (ZEA), and 0.249 mg/kg (OTA). Concentrations of DON in light dockage were significantly correlated with concentrations in whole grain that was un-cleaned or had undergone basic cleaning, indicating that the light dockage fraction could be used as a readily available matrix for the rapid screening of DON in wheat. This would eliminate the time required for additional sampling and preparation of whole grain, and move towards a truly rapid method for the screening of DON in wheat.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 253 | 98 | 14 |
| Full Text Views | 17 | 0 | 0 |
| PDF Views & Downloads | 10 | 0 | 0 |
