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GC-MS analysis of hashish samples: a case of adulteration with colophony.

Abstract
This report describes the analytical characterization of 16 hashish samples confiscated in Italy. The samples were solvent extracted and subjected to GC-MS analysis for the separation and quantitation of the main cannabinoids. One of the analyzed samples was shown to contain extraneous compounds, identified as resin acids characteristic of colophony (rosin). Colophony is a natural resinous product obtained from various species of pine, spruce, and larch; it is a skin sensitizer and its fumes produce nonspecific irritation that can cause bronchial asthma. Similar adulterations of hashish have not been reported previously; therefore, at present there is no information about the effects of smoking colophony or a combination of hashish and colophony. It is presumed, however, that such a combination would be highly detrimental to the health of the user.
AuthorsAugusta Caligiani, Gerardo Palla, Brenno Bernardelli
JournalJournal of forensic sciences (J Forensic Sci) Vol. 51 Issue 5 Pg. 1096-100 (Sep 2006) ISSN: 0022-1198 [Print] United States
PMID17018088 (Publication Type: Journal Article)

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