betulin

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. organic material
  8. resin (organic material)
  9. betulin
Scope note
A resin extracted from birch bark. It has been identified as a component of archaeological tars found in Austrian sites, demonstrating that the Iron Age tars were made from birch.
betulin
Accepted term: 29-Apr-2024