Gymnema sylvestre Leaves

  • English Name: Periploca of the wood
  • Common Name: Gudmar

Protocols of Test
Specifications

Description
Green coloured powder with bitter taste

Identification
1. Take 5 mg powder. Put it on tongue, leave it for a minute. Then take few crystals of sugar. No sweet taste.

 
2. Addition of 10% sulphuric acid solution in the aqueous solution. Greenish brown ppt is obtained

Solubility
 

Water
Min. 80.00%

50% v/v alcohol
Min. 80.00%

pH of 1% solution
5 - 7

Assay
 

For Gymnemic Acid
Min. 25.0%

Total Ash
Max. 15.0%

Moisture content
Max. 8.00%

Herb Ext Ratio
6:1

Active Ingredient
 

Gymnemic acid
25.0%

Uses
Anti-Diabetic