Page 338 - Applied Pharmacognosy
P. 338
Problems of UTnypreegs uoflaCtheedmHicearlbmaal rDkreursgs
DeteriorationofHerbalDrugs
Temperature
Many enzymaticchanges intheplantsecondarymetabolitesproceedmore
rapidlyattheslightly raisedtemperature uptoabout 45°C.
Drugscontainingvolatileconstituents inunprotectedstructures looseoil
withanincreaseintemperature.
PlantsbelongtofamilyLabiatae.
Petalsofroseandchamomile.