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Improving Cranberry Shelf-life Using High Voltage Electric Field Treatment by V. Palanimuthu; P. Rajkumar; V. Orsat; Y. Gariépy; G.S.V. Raghavan is a Agricultural and Biological Sciences article available to read on EtoBox.

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Cranberries (Vaccinium macrocarpon Aiton) were treated with high voltage electric fields (HVEF) of 2, 5 or 8 kV cm À1 in strength for 30, 60 or 120 min in a parallel plate electrode system. The treated berries were stored at ambient conditions (23 °C and 65% RH) for three weeks to study the effect of treatments on their respiration rate, physiological loss of mass (PLM), colour, total soluble solids (TSS) and skin puncture strength. Resulting respiration rates were in the range of 11.69-14.56 mL CO 2 kg À1 h À1 after the first week of storage, and increased to 13.95 and 21.33 mL CO 2 kg À1 h À1 by the end of third week. For both two and three weeks of storage, HVEF-treated cranberries showed significantly lower respiration rates than the control. This particular attribute indicates the potential of HVEF for improving shelf-life. The PLM of HVEF-treated cranberries were in the range of 23.2-30.4% after three weeks of storage. There was no significant difference between treated and untreated berries in terms of absolute L \* , a \* and b \* colour values; however, the colour difference value DE \* ab of treated berries was somewhat greater. The TSS content of various HVEF-treated cra

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Author

V. Palanimuthu; P. Rajkumar; V. Orsat; Y. Gariépy; G.S.V. Raghavan

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0260-8774)

Published

2009

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)