Collection/harvesting medicinal plants
The time and method of harvesting medicinal plants are very
important. Plants contain numerous active constituents, chemical compounds
responsible for the therapeutic activity, which are affected by environmental
factors such as temperature, humidity, light and manner of handling during
In general, it is best to harvest in the morning on a warm,
Different plant parts require different methods of collection.
As much as possible, leaves and flowering tops should be hand-picked. If the
plant pan to be used is the seed, the fruit must be fully ripe before harvest.
If the whole fruit is to be used, it must be harvested before reaching maturity.
Underground parts are collected before the stage of flowering.
Use only the recommended parts. The relative distribution of
constituents within the plant body varies. Sometimes, the roots or the seeds may
contain more of the active constitutent than the leaves and stem or