- How long does an unopened bottle of sweet and sour sauce last? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of sweet and sour sauce, store in a cool, dry area.
How long does an unopened bottle of sweet and sour sauce last at room temperature? Properly stored, an unopened bottle of sweet and sour sauce will generally stay at best quality for about 3 years.
Is unopened sweet and sour sauce safe to use after the expiration date on the bottle? Yes, provided it is properly stored and the bottle is undamaged - commercially packaged sweet and sour sauce 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 sweet and sour sauce will remain at peak quality.
Storage time shown is for best quality only - after that, the sweet and sour sauce's texture, color or flavor may change, but in most cases, it will still be safe to consume if it has been stored properly, the bottle is undamaged, and there are no signs of spoilage (see below).
How can you tell if sweet and sour sauce is bad or spoiled? The best way is to smell and look at the sweet and sour sauce: if the sweet and sour sauce 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