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Reference: Food Packaging, Principles and Practice by Gordon L.Robertson

CAP is the enclosure of food in a gas impermeable package inside which the gaseous environment with respect to CO2, O2, N2, water vapor and trace gases has been changed and is selectively controlled to increase shelf life. O2 scavengers and ethylene absorbers with CO2 release agents could be classified as CAP during the early stages of the storage life of packaged product.

MAP is the enclosure of food in a package in which the athmosphere inside the package is modified so that its composition is other than that of air. Modification can be achieved by removing air and replacing it with a controlled mixture of gases. Nitrogen is frequently used in MAP to reduce the concentration of other gases in the package.

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What is the difference between controlled atmosphere package and modified atmosphere package?

There is little difference between controlled and modified atmospheres. They both refer to atmospheres where the proportions of the normal gaseous/vapor components oxygen, nitrogen, carbon dioxide and water vapor, are modified to achieve some storage/packaging goal. This is commonly lowering the oxygen and/or increasing the carbon dioxide. All such atmospheres are modified atmospheres, they become controlled atmospheres when an attempt is made to regulate the composition of one or more of component gases.


What is a packaging gas?

A packaging gas is any gas used to provide a modified atmosphere for a product in storage.


What is meant by modified atmosphere packaging?

Its where the atmosphere in which a product is tored/kept is changed, i.e. oxygen is removed from the air of pre-prepared salads and other gases are added, this makes it MAP


What is the meaning of MAP meal plan?

Modified Atmospheric Packaging


What does modified atmosphere packaging do?

According to published reports, MAP extends shelf life up to 30 days and increases freezer life up to 6 months for baked goods


What is modified atmosphere packing?

its when they insert a certain combination of gases that keep the vegetable from reacting and going bad its also used for other packaging but salad bags are most common. usually its nitrogen or carbon dioxide


What is a modified food storage stem?

Modified stems have been altered by the parent plant to fit the needs of the plant. There are three examples I will be stating here. First, there are the stolon. They grow horizontally along the ground and they grow above the ground. An example would be strawberries. Next, there are the tuber stems. They are enlarged underground stems that are for starch storage. An example of this would be potatoes. Finally, there are the succulent stems. They are fleshy and often leafless. They are used for water storage. An example would be cacti.


What gas is in food packing?

The gas commonly used in food packaging is nitrogen. It helps maintain freshness and extend the shelf life of the food products by creating a modified atmosphere that slows down the growth of bacteria and molds.


What conditions and processes are used to slow down at which the perishable items detiriorate?

Perishable items can be slowed down by controlling temperature, such as refrigeration or freezing, to inhibit microbial growth and enzymatic reactions. Vacuum packaging or modified atmosphere packaging can reduce exposure to oxygen, slowing down oxidative processes. Additionally, proper handling, storage, and packaging techniques can help extend the shelf life of perishable items.


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How do supermarket stop food oxidizing?

Supermarkets can't stop food from oxidizing however they can prevent it by using different methods such as using modified atmosphere packaging (MAP) or by using adding lemon juice to cut up apple chucks.


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