Journal
JOURNAL OF FOOD ENGINEERING
Volume 52, Issue 2, Pages 99-119Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0260-8774(01)00106-6
Keywords
CO2 production; gas composition effects; O-2 consumption; respiratory quotient; temperature effects
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Respiration rate and gas exchange through the package material are the processes involved in creating a modified atmosphere inside a package that will extend shelf life of fresh fruits and vegetables. Thus, modelling respiration rate of the selected produce is crucial to the design of a successful modified atmosphere packaging (MAP) system. In this paper, general aspects of the respiration process are presented. The major methods for measuring respiration rates. along with their advantages and limitations are discussed. Factors affecting the respiration rate and respiratory quotient are outlined, stressing the importance of temperature, O-2 and CO2 concentrations. and storage time. Respiration rate models in the literature are also reviewed, (C) 2002 Elsevier Science Ltd, All rights reserved.
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