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References: Food Preservation — Extending Shelf Life Through Science

  1. Food preservation - Wikipedia - Comprehensive overview of all major preservation methods including canning, freezing, drying, fermentation, pickling, and modified atmosphere packaging with the scientific principles behind each.

  2. Canning - Wikipedia - Detailed history and science of canning including heat sterilization, vacuum sealing, botulism prevention, acid pH requirements, and the difference between water bath and pressure canning methods.

  3. Freeze-drying - Wikipedia - Explains the sublimation process used in freeze-drying (lyophilization), how it preserves flavor and nutrients better than conventional dehydration, and commercial applications in food production and camping food.

  4. Principles of Food Preservation and Processing - Albert Featherstone - Woodhead Publishing - Professional food science reference covering the chemistry and microbiology of each preservation method including water activity, pH control, thermal processing, and modified atmosphere technology.

  5. Ball Complete Book of Home Preserving - Judi Kingry, Lauren Devine - Robert Rose - Standard reference for home canning and preservation including tested recipes, safety protocols, and explanations of why acidification and processing times are scientifically determined.

  6. National Center for Home Food Preservation - University of Georgia Cooperative Extension - USDA-funded resource providing science-based guidelines for home canning, freezing, drying, and pickling; includes tested processing times and safety rationale for classroom lab activities.

  7. USDA Complete Guide to Home Canning - USDA National Institute of Food and Agriculture - Official USDA canning reference covering Clostridium botulinum science, pressure vs. water bath canning, headspace, and safe processing times for dozens of food types.

  8. Colorado State University Extension: Drying Foods - Colorado State University Extension - Science-based guide to food dehydration explaining water activity reduction, enzyme inactivation by blanching, and safe moisture levels for different food types.

  9. Penn State Extension: Food Freezing Principles - Penn State Extension - Explains the science of ice crystal formation, blanching before freezing, optimal freezing temperatures, and how freezer burn occurs; directly supports the comparison preservation lab.

  10. FDA: Food Irradiation: What You Need to Know - U.S. Food and Drug Administration - Accessible explanation of food irradiation technology, approved applications, dosage levels, safety evidence, and how it compares to other preservation methods.