Question

How Chemically Pale and Black catechu differentiated from each other? ​

Answer 1

Answer:

Pale Catechu is an aqueous extract of the leaves of the young twigs of the Uncaria Gambir Roxburg. The pale belongs to the family of Rubiacae. Black catechu occurs in black cakes and cubes. Black and pale Catechu are sold under the same name.