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Title: Effect of storage on physical-chemical properties and phenolics of sweet cherry from São Julião region.
Authors: Agulheiro-Santos, A.C.
Vieira, Fabiana
Gonzalez, David
Lozano, Mercedes
Palma, Vera
Rato, A.E.
Issue Date: 21-Oct-2014
Publisher: XI Simposio Nacional y VIII Ibérico Sobre Maduración y Postcosecha
Citation: Agulheiro-Santos, A.C., Vieira, F., Gonzalez, D., Lozano, M., Palma, V.& Rato, A.E. 2014. Effect of storage on physical-chemical properties and phenolics of sweet cherry from São Julião region. In XI Simposio Nacional y VIII Iberico sobre Maduracion y Postcosecha. 21 a 23 Outubro 2014, Valência, Espanha.
Abstract: Effect of storage on physical-chemical properties and phenolics of sweet cherry from São Julião region. A.C. Agulheiro-Santos1, F. Vieira1, D. Gonzalez2, M. Lozano2, V. Palma1, A.E. Rato1 1Universidade de Évora. Instituto de Ciências Agrárias e Ambientais Mediterrânica (ICAAM). 7000 Évora, Portugal. 2Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX). Ctra. San Vicente. Finca Santa Engracia. 06071 Badajoz, Spain. Worldwide the consumption of fruit and vegetables is increasing due to the dietary guidelines recommended by nutritionist. Because of their high content on phenols, vitamins, mineral and antioxidants, berry fruits are consumed not only in fresh forms but also as processed and derivative products such as juices, yogurts, jellies and dried fruits. As a high consumed red fruit, sweet cherry has been the focus on some studies, mainly regarding bioactive compounds content. “Sweetheart” cherries from São Julião region (Alentejo, Portugal) from two different production campaigns were kept in different storage conditions in order to evaluate both the environmental and storage effect on some physical-chemical properties and phenolics. Cold conditions - Cold (1 ºC, 95% RH) and modified atmosphere - MA (1 ºC, 95% RH with micro-perforated bags of Pplus®, Sidlaw Packaging, Bristol, UK) were tested. In order to establish the appropriate storage conditions, individual phenolic acids and physical-chemical properties were analysed during two consecutive years. Results show a general decrease on phenolic compounds content between cherries from both years. It is also observed that MA conditions do not affect significantly both phenolics and physical-chemical parameters when compared with Cold conditions. Additionally, it is observed similar behaviour on Cold and MA sweet cherries regarding its pH, total soluble solids content (TSS), titratable acidity (TA) and colour and individual phenols during storage time. Concluding, these results show, as expected, changes between cultivars which may be correlated with the environmental conditions on different years. Keywords: sweet cherry, postharvest, phenols, physical-chemical, storage conditions.
Type: lecture
Appears in Collections:FIT - Comunicações - Em Congressos Científicos Internacionais

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