Back Fungus (Wood Ear Mushroom)Shelf Life, Storage, and Spoilage Guide
Pantry
1 year or more (dried)
Store dried back fungus in a cool, dark, dry place in an airtight container away from direct sunlight and moisture.
Refrigerator
3-4 days (rehydrated or cooked)
Store rehydrated or cooked back fungus in a shallow, airtight container. Ensure it cools quickly before refrigerating.
Freezer
10-12 months (cooked)
Cooked back fungus can be frozen. Allow to cool completely, then pack into airtight freezer bags or containers. Label with the date.
Signs of Spoilage
- Slimy or sticky texture
- Off-odor or sour smell
- Visible mold growth
- Significant discoloration
Room Temperature Safety
The 'Danger Zone' for bacterial growth is between 40°F (4°C) and 140°F (60°C).
Always refrigerate or freeze perishable foods promptly. Discard any rehydrated or cooked back fungus left in the danger zone for too long.
Safe Handling
Wash hands thoroughly with soap and water before and after handling mushrooms.
Rehydrate dried back fungus in hot water until soft before use.
Cook back fungus thoroughly to an appropriate temperature.
Prevent cross-contamination by keeping raw/rehydrated mushrooms separate from other foods and using clean utensils and cutting boards.