What's the adjective for denaturation? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs denature and denaturize which may be used as adjectives within certain contexts.
denatured
Having been deprived of its nature, having had its nature changed.
Of alcohol made undrinkable, by adding a toxin or unpalatable substance, but still useful as a fuel or solvent. Traditionally by the addition of methanol (wood alcohol).