Modified atmosphere packaging involves packaging perishable products in an atmosphere with a different composition than normal air, often using higher carbon dioxide and lower oxygen levels than normal air. Vacuum packaging removes substantially all air from packaging before final sealing. Technologies used with modified atmosphere and vacuum packaging include gas concentration indicators, freshness indicators, and quality monitors to help control gas levels and ensure food safety and quality. The packaging methods provide advantages like independently regulating oxygen and carbon dioxide levels to design packages optimized for specific products.

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11. 1.Modified Atmosphere
Packaging
It is defined as the packaging of a perishable
product in an atmosphere which has been modified
so that its composition is other than that of air
High Carbon dioxide (CO2)
Low oxygen (O2)
Generators
Scrubbing devices
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12. 2.Vacuum Packaging
Vacuum Packaging refers
to packaging in
containers (flexible or
rigid), from which
substantially full air
has been removed
before the final sealing
of the package
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13. TTI's , RFID's, Gas concentration indicators,
Ripeness indicators and Microbial quality indicators
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14. Advantages
• Levels of O2 and CO2 can be regulated independently
• To design packages that can have very low O2 levels
while maintaining the best CO2 levels, without the risk
of creating anaerobic conditions
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