Page 377 - Applied Pharmacognosy

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5. Methods of Controlling Insects in Crude Vegetable Drugs

i. Heat treatment.
ii. Fumigation using volatile insecticidal agents in closed area.
iii.Liming.
 Itisaprocedureusedforafew

drugse.g. Ginger, nutmeg.

 The drug is dipped in freshly
slaked lime or sprinkled with
quicklime.

 Suchdippingwillcoatthedrug
witha finepowder which clogs
thebreathingtubesoflarva
andadultinsects .