Food%20Preservation%20Chemical%20and%20Modified%20Atmosphere%20Packaging

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Food Preservation Chemical and Modified
Atmosphere Packaging

• Food Microbiology

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Chemical Preservatives

• Sodium Benzoate
• Sorbate
• Proprionates

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Chemical Preservatives

• Sulfur Dioxide
• Nitrates and Nitrites
• BHA/BHT

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Chemical Preservatives

• Salt
• Sugar
• Spices and Essential Oils

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Chemical Preservatives

• Flavoring Agents
• Fatty acids
• Lactic and Acetic Acid
• Bacteriocins and Antibiotics

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Modified Atmosphere Preservation

• MAP Modified Atmosphere Packaging
• Carbon Dioxide
• Types
• Hypobaric
• Vacuum Packaging
• MAP
• Equilibrium Modified Atmosphere
• Controlled Atmosphere Packaging

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MAP Equipment
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Carbon Dioxide and Microorganisms

• Inhibitory Activity Increases as storage
  temperatures decrease
• 20-30 Optimal
• Inhibition increases as pH decreases
• Under Pressure More effective

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Safety and Spoilage Concerns

• Clostridium botulinum
• Listeria monocytogenes
• Spoilage
• Lactobacilli
• B. thermospacta

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Video

• Food additives, what they dont want you to know!
  - YouTube

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• 10 Worst Foods of the Decade - YouTube