Mixed noble gas effect on cut green peppers
L.V. Raymond 1
,  
M. Zhang 1, 2
,  
E. Karangwa 1
,  
 
 
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1
State Key Laboratory of Food Science and Technology, Jiangnan University, 214122, Wuxi, Jiangsu, China
2
School of Food Science and Technology Jiangnan University, 214122, Wuxi, Jiangsu, China
 
Int. Agrophys. 2013, 27(1): 75–79
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ABSTRACT
Increasing attempts at using gas which leads to hydrate formation as a preservative tool in fresh-cut fruits and vegetables have been reported. In this study, changes in some physical and biochemical properties of fresh-cut green peppers under compressed noble gas treatments were examined. Mixed argonkrypton and argon treatments were performed before cold storage at 5°C for 15 days. Mass loss and cell membrane permeability were found to be the lowest in mixed argon-krypton samples. Besides, a lower CO2 concentration and vitamin C loss were detected in gastreated samples compared to untreated samples (control). While the total phenol degradation was moderately reduced, the effect of the treatment on polyphenoloxidase activity was better at the beginning of the storage period. The minimum changes in quality observed in cut peppers resulted from both mixed and gas treatment alone.
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