How Long Does Tomato Paste Last?
Quick Answer
Tomato Paste lasts 1-2 years when unopened. Once opened, it should be used within 5-7 days.
Shelf Life by Storage Condition
| Storage Condition | Duration |
|---|---|
| Pantry (Unopened) | 1-2 years |
| Pantry (Opened) | Not applicable |
| Refrigerator (Unopened) | 1-2 years |
| Refrigerator (Opened) | 5-7 days |
| Freezer | 6-8 months |
How to Tell If It Has Gone Bad
- Mold growth on surface or container
- Off or sour smell
- Change in color (darkening or unusual discoloration)
- Bubbling or foaming indicating fermentation
Proper Storage Tips
- Store unopened cans or tubes in a cool, dry pantry away from heat and sunlight.
- After opening, transfer leftover tomato paste to an airtight container and refrigerate promptly.
- For longer storage, freeze tomato paste in small portions using ice cube trays or freezer-safe containers.
Risks of Using Expired Tomato Paste
Using expired tomato paste can lead to foodborne illness due to mold growth or bacterial contamination. Consuming spoiled tomato paste may cause gastrointestinal discomfort, including nausea, vomiting, or diarrhea. Always discard tomato paste if signs of spoilage are present.
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Frequently Asked Questions
How long does Tomato Paste last?
Unopened tomato paste lasts 1-2 years in the pantry; once opened, it should be refrigerated and used within 5-7 days.
Does Tomato Paste expire?
Yes, tomato paste can expire. Unopened cans or tubes have a long shelf life, but once opened, it should be used quickly to avoid spoilage.
How can you tell if Tomato Paste has gone bad?
Signs of spoilage include mold growth, off or sour smell, discoloration, and bubbling or foaming indicating fermentation.