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Type: Artigo de periódico
Title: Sensory Profile Of 'douradão' Peaches Cold Stored Under Controlled Atmosphere [perfil Sensorial De Pêssegos 'douradão' Armazenados Sob Refrigeração E Atmosfera Controlada]
Author: de Santana L.R.R.
Benedetti B.C.
Sigrist J.M.M.
Abstract: The sensory quality of 'Douradão' peaches cold stored in three different conditions of controlled atmosphere (CA1, CA2, CA3 and Control) was studied. After 14, 21 and 28 days of cold storage, samples were withdrawn from CA and kept for 4 days in ambient air for ripening. The sensory profile of the peaches and the descriptive terminology were developed by methodology based on the Quantitative Descriptive Analysis (QDA). The panelists consensually defined the sensory descriptors, their respective reference materials and the descriptive evaluation ballot. Fourteen panelists were selected based on their discrimination capacity and reproducibility. Seven descriptors were generated showing similarities and differences between samples. The data were analyzed by ANOVA, Tukey test and Principal Component Analysis (PCA). Results showed significant differences in the sensory profiles of the peaches. The PCA showed that CA2 and CA3 treatments were more characterized by the fresh peach flavor, fresh peach appearance, juiciness and flesh firmness, and were effective in keeping the good quality of the 'Douradão' peaches during the 28 days of cold storage. The Control and CA1 treatments were characterized by the mealiness and were ineffective for quality maintenance of the fruits during cold storage.
Rights: aberto
Identifier DOI: 10.1590/S0101-20612011000100037
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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