English Haematoxylin Cited by user Waughd on 19 Mar 2019 Haematoxylin or hematoxylin, also called natural black 1 or C.I. 75290, is a compound extracted from heartwood of the logwood tree (Haematoxylum campechianum) with a…
English Hematein Cited by user Citation bot on 20 Sep 2012 Hematein (US spelling) or haematein is an oxidized derivative of haematoxylin, used in staining.