Assertion: walnut's chemical | /r/Synonym | hydrojuglone
Facets:
Source sentences:
text: Like other walnuts, the roots, inner bark, nut husks, and leaves contain a nontoxic chemical called hydrojuglone, when exposed to air or soil compounds it is oxidized into juglone that is biologically active and acts as a respiratory inhibitor to some plants.
text: Walnut trees produce a chemical known as hydrojuglone.