Food Storage - How long can you keep...

BLACKBERRY JAM, COMMERCIALLY JARRED - OPENED

Refrigerator
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Blue Arrow
1 year (best quality)

Tips

  • How long does blackberry jam last once opened? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of opened blackberry jam, keep it refrigerated and tightly covered.
  • How long does opened blackberry jam last in the refrigerator? Blackberry jam that has been continuously refrigerated will generally stay at best quality for about 1 year.
  • Is opened blackberry jam safe to use after the expiration date on the jar? Yes, provided it has been stored properly, the jar is undamaged, and there are no signs of spoilage (see below) - commercially jarred blackberry jam will typically carry a Best By," "Best if Used By," Best Before, or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the blackberry jam will remain at peak quality.
  • The storage time shown for opened blackberry jam is for best quality only - after that, the jam's texture, color or flavor may change, but in most cases, it will still be safe to consume if it has been kept continuously refrigerated, the jar is undamaged, and there are no signs of spoilage (see below).
  • How can you tell if opened blackberry jam is bad or spoiled? The best way is to smell and look at the blackberry jam: if the jam develops an off odor, flavor or appearance, or if mold appears, it should be discarded.

Sources: For details about data sources used for food storage information, please click here

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