Effect of hyperbaric treatment on respiration rates and quality attributes of sweet corn
by Pansa Liplap; Clément Vigneault; Peter Toivonen; Jérôme Boutin; G.S. Vijaya Raghavan
International Journal of Postharvest Technology and Innovation (IJPTI), Vol. 3, No. 3, 2013

Abstract: Effects of three-day hyperbaric and low temperature treatment on the respiration rates and quality attributes of sweet corn were studied. Quality attributes were also monitored over four days of storage at ambient conditions. Best results were obtained from cold storage at 0°C, but hyperbaric treatment showed positive effects on quality retention of sweet corn. An inverse relationship was observed between the pressure levels applied and respiration rates. The higher the pressure applied, the lower the respiration rates. Fresh weight, TSS and kernel colour were better retained as the applied pressure level increased. However, husk colour became paler with an increase in pressure level. After storage, the measured quality attributes were not evidently affected by pressure treatments. Even though hyperbaric treatment was not as effective as the cold temperature storage condition in extending sweet corn shelf life, promising results were observed for a short-term storage without refrigeration.

Online publication date: Sat, 05-Jul-2014

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