Transcription of Modified atmosphere packaging: Not as simple as …
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Modified atmosphere packaging: Not as simple as …
Sydney postharvest Laboratory Information atmosphere packaging :Not as simple as it Jenny JoblingModified atmosphere packaging can be used to extend the shelf life of many fruit andvegetables. This technology seems straightforward as it uses permeable films and therespiration rate of the product at a specific temperature to change the concentration ofcarbon dioxide and oxygen around the product. However many users under estimate thecomplexity of this seemingly simple packaging system. This article aims to highlight themain variables involved in creating a Modified atmosphere package. A betterunderstanding of these principles will ensure users get the most out of this packagingsystem. Table 1: Some examples of products that benefit from Controlled atmosphere orModified atmosphere storage*.ProductTemperatureoCOxygen(%)CO 2(%)Storage lifein air (days)Storage lifein CA /MAP(days)Apple, Gala0 - - 5120180 Avocado5 - 132 - 53 - 104284 Banana13 - 162 - 52 - 52849 Bean, snap4 - 82 - 34 - 7714 Broccoli0 - 11 - 35 - 152856 Lettuce0 - 12 - 5< 1%2128 Pear- 1 - 12 - 30 - 190180 Pepper, Bell7 - 122 - 52 - 52128 Strawberry- - 05 - 1015 - 201421*From Transicold (1995).
Sydney Postharvest Laboratory Information Sheet www.postharvest.com.au spl@postharvest.com.au There is always a risk/benefit when using modified atmosphere packaging, particularly
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