Unopened shrimp paste can typically last for up to three years.
Factors Affecting Shelf Life
The exact shelf life of unopened shrimp paste depends on several factors:
- Brand: Different brands may use different processing and preservation methods, which can affect shelf life.
- Packaging: Vacuum-sealed or airtight packaging helps to prevent spoilage by limiting exposure to air and moisture.
- Storage Conditions: Proper storage in a cool, dry place is crucial for maximizing shelf life. Avoid storing shrimp paste in areas with high temperatures or humidity.
Understanding Expiration Dates
While shrimp paste can last for an extended period, it's important to pay attention to the expiration or "best by" date printed on the packaging. This date indicates the manufacturer's guarantee of peak quality and flavor. Consuming shrimp paste slightly past this date may not be harmful, but the quality may be diminished.
Signs of Spoilage
Even if unopened, it's wise to check for signs of spoilage before using. These include:
- Unusual Odor: A strong, pungent, or off-putting smell can indicate spoilage.
- Discoloration: Significant changes in color or the presence of mold may signal that the product is no longer safe to consume.
- Bloated Packaging: A bulging or swollen container may indicate bacterial growth.
If any of these signs are present, discard the shrimp paste, even if it is before the expiration date.
Storage After Opening
Once opened, shrimp paste should be stored in the refrigerator in an airtight container. Opened shrimp paste typically stays fresh for 6-12 months when properly stored.