From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Preserving (Greater)

ITEM 8

Price 450 gp

Usage applied to a basket bag or other container

Bulk —

Preserving runes are common among merchants and other travelers who are on the road for weeks or months at a time. Any non-magical food and drink inside a container with a greater preserving rune never spoils. This feature doesn't prolong the duration of alchemical items.

Activate (concentrate, manipulate)

Frequency once per day

Effect The container casts Cleanse Cuisine on all the food and drink within.

Pathfinder Treasure Vault (Remastered)ORC