1 / 12

Food Preservation and Packaging

Food Preservation and Packaging. Chapter 29. Causes of Spoilage. Microorganisms Enzymes Desiccation Bruising Oxidation. Methods of Preservation. Temperature control Moisture control Preservatives Irradiation. Temperature Control. Cold Refrigeration and controlled atmosphere

margaretatkins
Download Presentation

Food Preservation and Packaging

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Food Preservation and Packaging Chapter 29

  2. Causes of Spoilage • Microorganisms • Enzymes • Desiccation • Bruising • Oxidation

  3. Methods of Preservation • Temperature control • Moisture control • Preservatives • Irradiation

  4. Temperature Control • Cold • Refrigeration and controlled atmosphere • Freezing • Thermal processing • Canning • Retort packages • Pasteurization

  5. Moisture Control • Drying • Freeze-drying

  6. Use of Preservatives • Acids • Sugar • Spices • Other preservatives

  7. Irradiation • Irradiation • Reduces microbial levels • Destroys pathogens • Extents shelf life • Removes insect infestation • Approved and regulated by FDA

  8. Irradiation • 50 years of research • Food irradiated by • Gamma rays produced by cobalt 60 and cesium 137 • Beta rays produced by electron beams • X-rays • Irradiated food is NOT radioactive • Irradiated food is labeled

  9. Packaging of Food • Functions • Protection • Containment • Marketing and Information • Regulation of packaging • FDA • Safety of packaging • Migration of chemicals

  10. Packaging Materials • Paper and paperboard • Plastics • Metals • Combination of materials • Edible films and coatings

  11. Methods of Packaging • Aseptic • Modified atmosphere • Sous vide

  12. Packaging Waste Management • Pay-as-you throw • Source reduction • Reuse • Recycle • Combustion • Landfills

More Related