Catechu(Black)

Synonym: Cutch tree
Botanical source: Black catechu consist of dried acqous extract prepared from the heart wood of Acacia catachu
Family: Leguminosae


Morphology

colour: Black or dark brown
Form: Irregular masses or cubes
surface: Rough,dull or slightlyglassy and porous
Feature: Very brittle breaking in to powdery masses
Odour: none
Taste: Bitter to taste with forms Sweet & finally astringent

Active constituents
Tannis Catachins(2-12%),catechutemic acid(20-60%) a condansation product of acatachin,flavonoids-quercetin & its derivaties

Uses:

1.Astringent
2.Cooling and digestive
3.Used in relaxed conditions of throat,mouth&gum