Quebracho
Quebracho is a common name in Spanish to describe very hard wood tree species. The etymology of the name derived from quiebrahacha, or quebrar hacha, meaning "axe-breaker". The corresponding English-language term for such hardwoods is breakax or breakaxe.
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Research Mentions
Tree bark compounds fight piglet diarrhea via gut microbes
The same tannin chemistry that oak and chestnut trees use to defend their leaves and bark turns o...