Page 333 - Applied Pharmacognosy
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Problems of UTnypreegsuolfaCtheedmHicearlbmalaDrkreurgs s
Adulteration of Medicinal Plants
f. Deterioration.
It is an impairment of the quality or value of an
articleduetodestructionofvaluableconstituents
by badtreatment or aging oftheoriginaldrugs.
Itusuallytakesplaceuponstorage.
Theshelf-lifeofcrudedrugsareinfluencedby
manyfactors whichaffectthestabilityofthe
secondarymetabolitespresenttherein.