Iridin is an isoflavone, a type of flavonoid. It is the 7-glucoside of irigenin and can be isolated from several species of irises like orris root, Iris florentinaIridin on drugs.com or Iris versicolor, also commonly known as the larger blue flag. It can also be found in Iris kemaonensis. J. B. Harborne
The compound is toxic and these plants have been mentioned as causing poisoning in humans and animals.Yellow Iris on cbif.gc.ca
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