Distinct from storage: transforms perishable food into a shelf-stable form.
Solutions
Solar dryer (dehydration): Direct or indirect solar dehydration of fruit, vegetables, and herbs, removes enough moisture to halt microbial growth, extending shelf life from days to months
Pressure canning / autoclave sterilization: Sterilizes filled, sealed jars under pressure and heat (following standard time/temperature tables) for genuinely shelf-stable, room-temperature food preservati