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Teores de polifenóis foram determinados nos resíduos agrícolas - caule e folha -do abacaxizeiro (Ananas comosus (L.) Merrill) das cultivares Pérola, Perolera, Smooth Cayenne e Primavera, cultivadas em Ijací-MG, com o objetivo de subsidiar a possível utilização destes resíduos para consumo humano e/ou animal. De acordo com os resultados obtidos, nenhuma das cultivares estudadas apresentou teores de polifenóis acima de 1%, nível considerado alto e prejudicial à digestibilidade de proteínas. A folha apresentou teores de polifenóis superiores aos do caule em todas as cultivares analisadas. Não houve diferenças significativas entre as cultivares, mas a Smooth Cayenne e a Perolera apresentaram os maiores e menores teores de polifenóis, respectivamente. In this study were determined the polyphenols contents of agricultural residues - stem and leaf - of pineapple plants (Ananas comosus (L.) Merrill) from the cultivars Pérola, Perolera, Smooth Cayenne and Primavera, grown in Ijací, MG, with the purpose of giving information on the possible use of these residues as human and/or animal food. The cultivars studied did not present polyphenols contents above 1%, level considered high and harmful to the protein digestibility. The leaves presented polyphenols contents higher than stems in all cultivars analysed. There were no significant differences among cultivars, but Smooth Cayenne had the highest polyphenols contents and Perolera the lowest

TEORES DE POLIFENÓIS DE CAULE E FOLHA DE QUATRO CULTIVARES DE ABACAXIZEIRO