Linked from
The 129 pages that link to Food preservation, each with the reason it gives.
Meat pieNarrower topic: Sealed pastry once helped protect cooked meat during storage and transport.
NatamycinNarrower topic: Natamycin is applied to some foods to suppress surface mold and yeast.
PantryNarrower topic: Pantries store preserved foods alongside ingredients needing no refrigeration.
Sorbic acidNarrower topic: Sorbic acid is a preservative added to foods to limit fungal spoilage.
Cured fishNarrower topic: Cured fish belongs to the broader practice of extending food storage life.