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      Ochratoxin A determination in beer by immunoaffinity column clean-up and high-performance liquid chromatography Translated title: Determinação de ocratoxina A em cerveja por coluna de imunoafinidade e cromatografia líquida

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          Abstract

          Analyses of ochratoxin A (OTA) in domestic and imported beers were perfomed by immunoaffinity column and high - perfomance liquid chromatography (HPLC) using a fluorescence detector. Recoveries of OTA from beer samples spiked at levels from 8.0 to 800pg/mL ranged from 81.2% to 95.0%, with coefficient of variation between 0% e 11.0%. Detection limit and quantification limit were 2.0pg/mL and 8.0pg/mL, respectively. Of the total of 26 samples produced in Brazil only 6 (23%), contained trace amounts of OTA. Of the 4 imported beers, in 2, Ireland and Germany, were detected OTA at levels of 25pg/mL and 82pg/mL, respectively.

          Translated abstract

          Análises de ocratoxina A em cervejas nacionais e importadas foram executadas por coluna de imunoafinidade e cromatografia líquida de alta eficiência (CLAE) com detetor de fluorescência. Recuperações de ocratoxina A em amostras de cervejas contaminadas em níveis de 8.0 a 800pg/mL, foram de 81,2% a 95%, com coeficiente de variação entre 0% e 11%. O limite de detecção e o de quantificação foram 2.0pg/mL e 8.0pg/mL, respectivamente. De um total de 26 amostras fabricadas no Brasil, somente 6 (23%) apresentavam traços (pg/mL) de ocratoxina A. Das 4 amostras de cerveja importadas analisadas, em duas, Irlanda e Alemanha, foram detectadas ocratoxina A em níveis de 25pg/mL e 82pg/mL, respectivamente.

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          Most cited references34

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          Survey of pork, poultry, coffee, beer and pulses for ochratoxin A.

          Surveys have been carried out to estimate the levels of ochratoxin A in pork, poultry, coffee, beer and pulses. A total of 286 samples were analysed. The results show that compared with cereals and cereal products the contribution from the foods surveyed to the total intake of ochratoxin A by the Danish population must be considered to be of less importance.
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            Monographs on the evaluation of carcinogenic risks to humans: some naturally occurring substances: food items and constituents, heterocyclic aromatic amines and mycotoxins

            (1993)
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              Human Ochratoxicosis

              E E Creppy (1999)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cta
                Food Science and Technology (Campinas)
                Food Sci. Technol (Campinas)
                Sociedade Brasileira de Ciência e Tecnologia de Alimentos (Campinas )
                1678-457X
                December 2003
                : 23
                : suppl
                : 58-61
                Affiliations
                [1 ] Fundação Ezequiel Dias
                [2 ] Universidade Federal de Lavras Brazil
                Article
                S0101-20612003000400011
                10.1590/S0101-20612003000400011
                83080045-0f71-49b1-b202-bfd3dd5fae37

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0101-2061&lng=en
                Categories
                FOOD SCIENCE & TECHNOLOGY

                Food science & Technology
                ochratoxin A,beer,immunoaffinity,HPLC,ocratoxina A,cerveja,imunoafinidade,CLAE
                Food science & Technology
                ochratoxin A, beer, immunoaffinity, HPLC, ocratoxina A, cerveja, imunoafinidade, CLAE

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