| Joesi |
RAW, there probably isn't one.
I'd recommend 1 of 2 options:
1. have the DM make up a custom craft skill called like Craft Miscellaneous Dry Goods which the other craft skills wouldn't cover. Maybe there'd be balance issues with it, but I wouldn't see anything too serious. Materials cost could be 1/2 instead of 1/3 if necessary.
2. Use an appropriate profession skill, such as doctor/medic/healer/herbalist(?). (only mentioned herbalist since it's the closest one that Paizo actually mentions as a common profession)