Page 23 - Applied Pharmacognosy
P. 23
Redefining Quality - Quality Issues with Herbs
❑ Inferiority of Medicinal Plants Post-harvesting factors
✓ Harvesting techniques.
✓ Imperfect processing treatments (not
removing undesired parts e.g. Cork from ginger
rhizome.
✓ Incorrect drying conditions and stability
concerns may result in loss of thermolabile
active constituents.
✓ Inappropriate storage can result in microbial
contamination or loss of active constituents; e.g.
volatile oils which have not been stored in cool,
dry place and in air tight containers.
22
