Acacia catechu Heart Wood

  • English Name: Black Catechu
  • Common Name: Katha

Protocols of Test
Specifications
Description
Brown coloured powder
Identification
Presence of Tannins- Positive
Solubility
Water
NLT 70.0%
50% v/v alcohol
NLT 70.0%
pH of 1% solution
4 - 7
Assay
For Tannins
NLT 70.0%
Total Ash
NMT 10.0%
Moisture content
NMT 8.0%
Herb Ext Ratio
10 :1
Active Ingredient
Tannins
20.0%
Uses
Astringent