If it smells moldy, rancid, or unpleasant, it is spoiled.

How can you tell when sour cream is bad. It retains its quality for up to 2 weeks once opened. If your sour cream smells moldy and stinks, then you can be sure that it has started to decay. The fresh sour cream smell smells sour and tangy, but the bad sour cream will be stinky and will give.

While sour cream can generally last for up to two weeks, if it is exposed to heat, it will go bad. • the sour cream has an unpleasant odor. This rule of thumb is.

It'll smell different from the normal sour smell of sour cream). The first sign of bad sour cream is the off and unpleasant smell. Simply stir it and it should be all good.

As for what to look for, eat by date states that once the water separates, and a pool starts to form at the surface,. If you notice signs of spoilage including. Sour cream that has gone bad will often have a pungent odor, be discolored, or display mold.

A light layer of white, milky liquid floating on top of sour cream and a tangy odor are both totally normal. Sour cream has live culture (friendly bacteria) in it when. Look for these signs of spoilage before tasting it.

When to toss sour cream. Sour cream usually lasts up to 2 weeks past its expiration date. Sour cream is white, even though you can see through it.