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Apresenta revisao de literatura sobre metodos de determinacao da estabilidade oxidativa que surgiram numa tentativa de se avaliar a resistencia a oxidacao dos oleos e gorduras. Existe, atualmente, muita controversia sobre a eficiencia ou a capacidade destes metodos de predizerem as alteracoes que ocorrerao nos oleos e gorduras, durante o armazenamento. Foram discutidas as vantagens e desvantagens de cada metodo e a sua importância na area de tecnologia de oleos e gorduras. A padronizacao das metodologias para determinacao da estabilidade oxidativa, seja pelo metodo de estufa ou pelos metodos automatizados, e uma necessidade em funcao da grande quantidade de dados relatados na literatura que foram obtidos em condicoes muito diversas, dificultando sua utilizacao ate para simples comparacao. OXIDATIVE EVALUATION METHODS OF OILS AND FATS Abstract A literature review on the methods of determination of the oxidative stability originated from an attempt to evaluate the oils and fats oxidation resistance is presented. Nowadays, there is much controversy about the efficiency or the capacity of these methods to predict the alterations that will occur in oils and fats during the storage. It is discussed the advantages and the disadvantages of each methodology and its importance within the area of the oils and fats technology. The standardization of the methodologies for determination of the oxidative stability, by incubators or by automated methods, is a necessity due to the great quantity of data related in literature which were obtained in diverse conditions, making difficult its utilization even for simple comparation.

MÉTODOS DE AVALIAÇÃO DA ESTABILIDADE OXIDATIVA DE ÓLEOS E GORDURAS