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Revista U.D.C.A Actualidad & Divulgación Científica
versión impresa ISSN 0123-4226
Resumen
MUNIZ, Janaína et al. POSTHARVEST QUALITY OF RED STRAWBERRY-GUAVA. rev.udcaactual.divulg.cient. [online]. 2017, vol.20, n.2, pp.311-319. ISSN 0123-4226.
The objective of this work was to evaluate the effect of different temperatures and storage periods on the physicchemical attributes of red gooseberries fruits. This research was carried out at the State University of Santa Catarina (CAV / UDESC), in Lages (SC), Brazil, with fruits harvested in February, 2016. The experimental design was completely randomized with four replicates of 20 fruits each, in a 2x5 factorial radomized, with two temperatures (2°C and 25°C ± 2°C) and five storage periods (0, 3, 6, 9 and 12 days). The analyzed variables were: mass loss, soluble solids, titratable acidity, soluble solubility/titratable acidity ratio, pH and vitamin C. Fruit mass loss occurred at both temperatures throughout the storage period. Soluble solids content increased in fruits at 2°C. A minimum point (1.83%) was observed for titratable acidity in fruits packed at 25°C. A minimum point was observed (3.17%) for the pH of the fruits at 2°C and maximum point (3,21) for fruits at 25°C. Fruits at 2°C presented lower vitamin C content in seven days of storage, with 17.23mg 100g-1 pulp. At 25°C, a lower vitamin C content was observed at day six, with a content of 26.69mg 100g-1 pulp. With the accomplishment of this work, it can be concluded that, the use of refrigeration at 2°C, for up to 12 days, presents itself as an alternative for the conservation of red-gooseberries fruits, remaining the main physicochemical characteristics of the fruits.
Palabras clave : Psidium cattleianum Sabine; Mirtaceae; conservation; storage; temperature.