Page 483 - Applied Pharmacognosy
P. 483

• Some Extractives for drug evaluation

• Drug                     Extractive value

• Centian, Liquorice       % of water-soluble

• Cinger, Jalap            % of alcohol (90%)

• Colocynth                Limits of petroleum ether

Crude fiber determination

• Crude fiber is used to detect excessive amounts of
  woody matter in powdered drugs.
   478   479   480   481   482   483   484   485   486   487   488