Top Constituents and Uses of Haematoxylon Wood (Log wood)

Top Constituents and Uses of Haematoxylon Wood (Log wood):

Constituents:

·         Haematoxylin

·         Flavonoids

·         Tannin

·         Resin

(N.B Haematoxylin is colorless crystal when pure, but on exposure to air acquires red color

It dissolves in alkali giving purplish color )

Uses:

·         Haematoxylin is widely applied unclear stain in histology

·         In ink manufacture and in dying