Extraction of cannabis resin
Q - I am
looking for a good solvent extraction method to prepare
a HPLC standard for our laboratory. I am also interested
to use the extracts of cannabis from different regions
in a comparison study as to variations in components.
please help me ? (South Africa)
A - Re solvent
extraction for HPLC standards, I am not the best person
to ask. Try the Forensic Science Service or Laboratory
of the Government Chemist (UK), or several other 'Drug
Testing & Forensic' links.
If you are
licensed by your own Government, they may provide the
information you require in protocols re quality assurance
and legal standards etc.
For an overview
of cannabis resin, I would recommend "Hashish" by Robert
Connell Clarke, which brings together much of the published
data of cannabinoid profiles of different-origin materials.