Before revision: 180–184, The arecatannin-type natural products from Ceylonese cassia bark and Areca seed are examples polyphenols by both current definitions, and fit the distinct definition of a polymeric phenol as well.
After revision: of180–184, The arecatannin-type natural products from Ceylonese cassia bark and Areca seed are examples polyphenols by both current definitions, and fit the distinct definition of a polymeric phenol as well.