Food Preservation

Science of prolonging shelf-life and safety

  • Introduction
  • Methods
  • Chemicals
  • Safety & Risks
  • Quiz Challenge

Understanding Preservation

  • Why preserve food?
  • Natural vs Chemical
  • Chemical Preservation
  • Preservation in Nepal

Preservation Methods

  • Drying (Dehydration)
  • Salting
  • Freezing
  • Heating
  • Chemical Method

Common Chemical Agents

  • Sodium Benzoate
  • Sulphur Dioxide
  • Salt & Sugar
  • Vinegar

Safety & Health Risks

  • Calcium Carbide
  • Health Risks
  • Food Safety Tips

Educational Visualization
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