In fact, even a bit of mold on a loaf of bread means that the entire thing is probably contaminated. Bread is a soft food, which means it is easy for mold spores to penetrate it and quickly spread.

Eating or inhaling mold can cause respiratory or gastrointestinal problems. Plus, some molds can be toxic. It's wise to discard moldy bread immediately, since what looks like surface mold could ...

On bread, it may look like green or black spots, says Wee, whereas berries often grow a white cotton-like fuzz, and mold on citrus fruits will look like green or gray dust. Mold can also look red ...

On bread, it often looks like blue or black dots, but mold on citrus fruits looks like velvety green patches, per the USDA. Moldy berries and jam often have a cotton-like gray fuzz.

With dense hard foods like hard cheese or carrots, where you can clearly see the mold colony, he says it’s safe to cut away the moldy part plus an extra inch or so.

On bread, it may look like green or black spots, says Wee, whereas berries often grow a white cotton-like fuzz, and mold on citrus fruits will look like green or gray dust. Mold can also look red ...