Excerpt
Don Cipollini, a Wright State University professor of plant physiology and chemical ecology, discovered a few years ago that, unlike most other plants in the mustard family, young garlic mustard leaves contain significant amounts of cyanide.
That could be “concerning for mammals,” Cipollini said, “if large amounts of fresh leaves were ingested” or eaten “chronically, like a salad of fresh garlic mustard every day,” which would be difficult to do: “The leaves are awfully bitter eaten fresh,” Cipollini said.
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