Page 487 - Applied Pharmacognosy

• Crude fiber + minerals which are not
soluble in the acid and alkali.

• 5. The residue (A) is incinerated using ash
less filter paper and the ash left is
weighed ......(B)

• 6. The weight of the crude fiber equals:

• (A) - (B)

• 7. Determine the % of crude fiber with
reference to the air dried drug.