Estudo da ocratoxina em soro sanguíneo de suínos confinados em diferentes estados brasileiros

Abstract

Interest in fungi and the mycotoxins is enormous, not only from the scientific point of view, but also in the economic outlook. There are many problems arising from the farmer to the consumer. Low yields, deteriorating levels in commercial husbandry of animals and disease in them, changes in food, loss of sensory and nutritional characteristics, increased costs resulting from the prevention and treatment of decontamination are among some of the disorders generated by the presence of fungi and their matabólitos. Ochratoxin A occupies every day a major role in the setting of Mycotoxicology due to its importance. Many efforts have been undertaken to define the global situation of occurrence of this mycotoxin. This study focused on a set in specific areas the occurrence of this mycotoxin, which not long ago was ignored in the setting of contaminants in Brazil as well as putting into practice the methods of detection of OTA in pig serum. We collected 400 samples of blood serum from pig slaughterhouses in four different states. These samples were processed and subjected to techniques for determining liquid chromatography with high efficiency to determine concentrations of the toxin in the study. RESULTS: The mean concentration of ochratoxin A in pig blood serum samples with levels above the limit of detection was 23.729 μg/L. CONCLUSIONS: Ochratoxin A is present in the pork produced in Brazil. All the samples surveyed were above the limit of detection and quantification. The colder climate favors the development of ochratoxin A, demonstrated the highest level of positive samples with limits above 5 μg/L in the State of Santa Catarina (52%). The state of Mato Grosso showed the highest number of positive samples for ochratoxin A above the limit detectable by the technique used (69%). The State of Bahia showed the greatest number of samples below the detectable limit (64%).