quassin
/ˈkwɑsɪn/
noun
- A bitter compound found in the wood of quassia trees, used in medicine and as a natural insect repellent.
- Some natural pesticides contain quassin to deter insects without harsh chemicals.
- The bitter taste of quassin makes it useful as a flavoring in some herbal drinks.
- Quassin is extracted from the bark of the quassia tree for use in traditional remedies.