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Potency trends of Δ9-THC and other cannabinoids in confiscated cannabis preparations from 1993 to 2008.
J Forensic Sci 2010; 55(5):1209-17JF

Abstract

The University of Mississippi has a contract with the National Institute on Drug Abuse (NIDA) to carry out a variety of research activities dealing with cannabis, including the Potency Monitoring (PM) program, which provides analytical potency data on cannabis preparations confiscated in the United States. This report provides data on 46,211 samples seized and analyzed by gas chromatography-flame ionization detection (GC-FID) during 1993-2008. The data showed an upward trend in the mean Δ(9)-tetrahydrocannabinol (Δ(9)-THC) content of all confiscated cannabis preparations, which increased from 3.4% in 1993 to 8.8% in 2008. Hashish potencies did not increase consistently during this period; however, the mean yearly potency varied from 2.5-9.2% (1993-2003) to 12.0-29.3% (2004-2008). Hash oil potencies also varied considerably during this period (16.8 ± 16.3%). The increase in cannabis preparation potency is mainly due to the increase in the potency of nondomestic versus domestic samples.

Authors+Show Affiliations

National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

20487147

Citation

Mehmedic, Zlatko, et al. "Potency Trends of Δ9-THC and Other Cannabinoids in Confiscated Cannabis Preparations From 1993 to 2008." Journal of Forensic Sciences, vol. 55, no. 5, 2010, pp. 1209-17.
Mehmedic Z, Chandra S, Slade D, et al. Potency trends of Δ9-THC and other cannabinoids in confiscated cannabis preparations from 1993 to 2008. J Forensic Sci. 2010;55(5):1209-17.
Mehmedic, Z., Chandra, S., Slade, D., Denham, H., Foster, S., Patel, A. S., ... ElSohly, M. A. (2010). Potency trends of Δ9-THC and other cannabinoids in confiscated cannabis preparations from 1993 to 2008. Journal of Forensic Sciences, 55(5), pp. 1209-17. doi:10.1111/j.1556-4029.2010.01441.x.
Mehmedic Z, et al. Potency Trends of Δ9-THC and Other Cannabinoids in Confiscated Cannabis Preparations From 1993 to 2008. J Forensic Sci. 2010;55(5):1209-17. PubMed PMID: 20487147.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Potency trends of Δ9-THC and other cannabinoids in confiscated cannabis preparations from 1993 to 2008. AU - Mehmedic,Zlatko, AU - Chandra,Suman, AU - Slade,Desmond, AU - Denham,Heather, AU - Foster,Susan, AU - Patel,Amit S, AU - Ross,Samir A, AU - Khan,Ikhlas A, AU - ElSohly,Mahmoud A, PY - 2010/5/22/entrez PY - 2010/5/22/pubmed PY - 2011/3/31/medline SP - 1209 EP - 17 JF - Journal of forensic sciences JO - J. Forensic Sci. VL - 55 IS - 5 N2 - The University of Mississippi has a contract with the National Institute on Drug Abuse (NIDA) to carry out a variety of research activities dealing with cannabis, including the Potency Monitoring (PM) program, which provides analytical potency data on cannabis preparations confiscated in the United States. This report provides data on 46,211 samples seized and analyzed by gas chromatography-flame ionization detection (GC-FID) during 1993-2008. The data showed an upward trend in the mean Δ(9)-tetrahydrocannabinol (Δ(9)-THC) content of all confiscated cannabis preparations, which increased from 3.4% in 1993 to 8.8% in 2008. Hashish potencies did not increase consistently during this period; however, the mean yearly potency varied from 2.5-9.2% (1993-2003) to 12.0-29.3% (2004-2008). Hash oil potencies also varied considerably during this period (16.8 ± 16.3%). The increase in cannabis preparation potency is mainly due to the increase in the potency of nondomestic versus domestic samples. SN - 1556-4029 UR - https://www.unboundmedicine.com/medline/citation/20487147/abstract/Potency_trends_of_Δ9_THC_and_other_cannabinoids_in_confiscated_cannabis_preparations_from_1993_to_2008_ L2 - https://doi.org/10.1111/j.1556-4029.2010.01441.x DB - PRIME DP - Unbound Medicine ER -