Screening on the occurrence of ochratoxin A in green coffee beans of different origins and types
A total of 162 samples of green coffee beans from various countries (84 from Africa, 60 from America, and 18 from Asia) were analysed for ochratoxin A (OTA). Both the amount and the variability of OTA levels were tested as a function of green coffeeprovenance. 106 of the overall samples were positive for OTA, with concentration ranging from 0 to 48 Ág/kg (ppb). In particular, it was possible to verify that African samples were more contaminated with respect to samples of other origin in terms of frequency and level of OTA; the highest concentrations observed were 18 and 48 Ág/kg in 2 samples from Congo.
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| Main Authors: | , , , , |
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| Format: | biblioteca |
| Published: |
2000
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| Subjects: | COFFEA, CAFE, OCRATOXINAS, CONTAMINACION, AFRICA, AMERICA, ASIA, |
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| Summary: | A total of 162 samples of green coffee beans from various countries (84 from Africa, 60 from America, and 18 from Asia) were analysed for ochratoxin A (OTA). Both the amount and the variability of OTA levels were tested as a function of green coffeeprovenance. 106 of the overall samples were positive for OTA, with concentration ranging from 0 to 48 Ág/kg (ppb). In particular, it was possible to verify that African samples were more contaminated with respect to samples of other origin in terms of frequency and level of OTA; the highest concentrations observed were 18 and 48 Ág/kg in 2 samples from Congo. |
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