Bad beef tenderloin typically has a sour or rancid odor, often described as a pungent, off-putting scent that may resemble ammonia or decay. Fresh beef should have a mild, meaty aroma, so any strong or unpleasant smells indicate spoilage. Additionally, if the tenderloin has a slimy texture or discoloration, it's a good sign that it should not be consumed. Always trust your senses; if it doesn't smell right, it's best to avoid eating it.
If beef taste like fish then throw it out.
It will have a greenish tint to it. And it will be a little slimy and have a bad smell
The exact amount of time varies on the environment it's left in, though the first signs of bad beef is an odd discoloration and a rancid smell.
it smells like a substance that has a bad smell it stinks very bad
You can tell ground beef is bad if it has a sour smell, a slimy texture, or a grayish-brown color. It may also have a strange or off taste. It's important to always check the expiration date and store ground beef properly to prevent it from going bad.
When it smells bad or is slimy to the touch. Usually the smell is the first indicator.
Pork tenderloin is good in the fridge for about 3-5 days before it goes bad.
bad
Bad.
bad
It will smell and may have mold on it. The mold can be yellowish in color.
they smell very bad