Chemical and Aroma Determination of the Pulp and Seeds of Murici (Byrsonima crassifolia L.)
نویسندگان
چکیده
O murici (Byrsonima crassifolia L., Malpighiaceae) é uma pequena fruta tropical de intenso aroma frutal e semelhante a queijo rançoso. Aplicando a cromatografia gasosa de alta resoluçãoolfatometria acoplada a espectrometria de massas e usando técnica de diluição de aroma (“Aroma extract dilution analysis”), as substâncias de maior impacto no aroma do murici foram identificadas como sendo: butanoato de etila (frutal, doce), hexanoato de etila (frutal), 1-octeno-3-ol (odor semelhante a cogumelo), ácido butírico (queijo rançoso), ácido hexanóico (pungente, queijo) e 2-feniletanol (floral). A polpa da fruta é principalmente composta por ésteres etílicos, metílicos e feniletílicos, juntamente com ácidos carboxílicos, terpenos, δ-lactonas e algumas substâncias sulfuradas. As sementes, que apresentaram um aroma semelhante ao de óleo rançoso, também lembrando queijo, tem como componentes majoritários os ácidos linoleico, oleico, esteárico e palmítico. Seu aroma foi associado aos ácidos butírico e hexanóico, ambos minoritários.
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