Do shiitake mushrooms go bad?

However, they do have a tendency to go bad quickly, usually within seven days of purchase. There are a few physical things to check on the mushrooms to see if they're still edible. Check the shitakes for a coating of slime. ... If they are significantly darker then when first bought, the entire shitake is bad. read more

Check the shitakes for a coating of slime. This will be most obvious on the head. The mushrooms have gone bad if this coating appears. read more

Your mushrooms shouldn't have a noticeable or strong odor. If you can smell them, they've gone bad. Of course, if you're sticking your nose right up to them, you'll get a scent, but it should be light and subtle. If you pick up the bag, open it, and have to turn your head, then you've got bad mushrooms. read more

The shelf life of mushrooms, like most other fresh vegetables may not have a sell by date, use by date, or best before date so you have to go with purchase date in most cases. read more