Have a bath tub of sour cream that"s to be sitting in the refrigerator for a while and wondering if it"s still safe to eat? Here"s how to tell.

You are watching: Symptoms of eating spoiled sour cream

Shelf Life

According come the USDA, sour cream (opened or unopened) is good for up to three weeks ~ the sell-by date, as long as it"s to be stored in the refrigerator. This dominance of ignorance is backed up through the Food Marketing academy in their consumer guide come food quality and safe handling, "The Food Keeper." They give a seven to 21-day home window for utilizing sour cream, assuming it"s to be refrigerated in ~ 40 F.

Inspect your sour cream come make sure it hasn't occurred mold, one off-color, or an turn off smell. If nothing seems amiss, think about it safe to use. One sign that isn't of worry is separation. If unsightly, it's actually typical for the liquid to different from the hard cream. You can drain it off or mix it back in, as lengthy as you use a clean spoon.

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What causes Spoiling?

Sour cream is created from milk that has actually been pasteurized come kill most harmful bacteria. The is climate fermented by healthy bacteria that develop lactic acid, giving it the tart flavor. Commercially-produced cake cream must adhere to safety and security standards, if homemade sour cream may present a wild map of various other bacteria types. Think of tart cream together a living product, together it still includes live aspects that were not killed by sterile canning processes.

Bacteria and also Molds

The protein and also sugars in the milk carry out a happy society medium for the trusted sour-producing bacteria, as well as a host of unfriendly bacteria and molds that could reason illness. Lock may progressively multiply end weeks in ~ refrigerated temperature or also faster if friend leave her sour cream out at room temperature for any kind of length of time. You may additionally inadvertently introduce extr bacteria and also mold as soon as go to usage your cake cream, either from exposure to the air or by making use of a spoon that isn't clean.

indications of Spoilage

Even if your sour cream isn"t however at the "best by" or "use by" date, don"t eat that if friend notice:

An off Smell: take it a whiff of your sour cream. If that smells moldy, rancid, or stinky in any means beyond the normal sour smell, the probably has actually extra growth in it the will impact the flavor and safety.Mold: If you see mold growing on the surface, the whole container needs to go. Don't be tempted simply to scoop the mold off the top and also eat the rest. The mold may extend further 보다 you're able to see v the naked eye.

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Yellow or Discolored tart Cream: If the cream is no much longer white, that's a solid sign the it has far-reaching growth that bacteria and also fungi. 

The shelf life of foodstuffs can be considerably shortened if they aren't handled properly. Her sour cream may have been left out at room temperature at some point, whether by the manufacturer, seller or someone who lives in her home. Or someone may have actually stuck a dirty utensil right into the container. Trust your eyes and also your nose as soon as they tell girlfriend something isn't right.