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Horticultura Brasileira

versão impressa ISSN 0102-0536

Resumo

COSTA, Franciscleudo B; DUARTE, Priscila S; PUSCHMANN, Rolf  e  FINGER, Fernando L. Quality of fresh-cut strawberry. Hortic. Bras. [online]. 2011, vol.29, n.4, pp. 477-484. ISSN 0102-0536.  http://dx.doi.org/10.1590/S0102-05362011000400006.

The aim of this work was to study the physical, chemical, physiological and microbiological changes during the flow chart of fresh-cut strawberry. Strawberry cvs. Camarosa, Dover and Tudla, derived from experimental area of the Universidade Federal de Viçosa, were selected by color (red ¾) and absence of wound. Afterwards, the minimal processing was evaluated, as follows: fast cooling, water and ice, removal of the calyx followed by conservation at 5±0.5°C and 90-95% RH for 13 days, sanitation, drainage, cut in halves. Removal of the calyx did not result significant difference for fresh weight, total soluble solids, total titratable acidity, pH and ratio TSS/TTA. The rapid cooling resulted in lower electrolyte leakage and respiratory rate, especially sanitized fruits. Sanitization by immersion in chlorine solution slowed the growth of fungi and yeast. Drainage for 20 minutes eliminated practically all water on the surface of the fruits. The fresh-cutting did not affect the visual and nutritional quality of strawberries like appearance, microbiot, vitamin C, anthocyanins and phenolic compounds, consisting of alternative market potential economically viable.

Palavras-chave : Fragaria x ananassa Duch; sanitation; drainage; anthocyanins.

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