Quassin

  Quassin is a white bitter, crystalline substance extracted from the quassia tree. It is the bitterest substance found in nature.[1] Quassin is used as a medicine in traditional Chinese medicine. Extracts of the Bitter tree are also used as additives in soft drinks.

Additional recommended knowledge

What is the Sensitivity of my Balance?

Safe Weighing Range Ensures Accurate Results

What is the Correct Way to Check Repeatability in Balances?

Although its skeleton possesses 20 carbon atoms Quassin is not a diterpene but a triterpene lactone, which derives from euphol by loss of 10 carbon atoms including C4. Synonyms are (+)-Quassin or Nigakilactone D; Extracts of Quassia amara L. or Picrasma excelsa (Sw.) Planch may be referred to as quassia or Bitter wood extract (synonym).