Comparison of Species-Specific β-Glucuronidase Hydrolysis of Cannabinoid Metabolites in Human Urine

Kemp, Philip M.; Cliburn, Kacey D; United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Civil Aerospace Medical Institute

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Comparison of Species-Specific β-Glucuronidase Hydrolysis of Cannabinoid Metabolites in Human Urine

2015-03-01
By Kemp, Philip M. ; Cliburn, Kacey D

[PDF-685.29 KB]

English

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Creators:

Kemp, Philip M. ; Cliburn, Kacey D

Kemp, Philip M. ; Cliburn, Kacey D Less -
Corporate Creators:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Civil Aerospace Medical Institute
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Office of Aerospace Medicine
Subject/TRT Terms:

[+]

Animals Aviation Cannabinoids Forensic Science Gas Chromatography Glucuronidase Hydrolysis Marijuana Mass Spectrometry Tetrahydrocannabinol Toxicology Urine
Publication/ Report Number:

DOT/FAA/AM-15/6
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Civil Aerospace Medical Institute
Abstract:

Toxicological investigations of fatal aviation accidents include testing for ∆9 -tetrahydrocannabinol (THC), the active component of marijuana, and its major metabolite, 11-nor-9-carboxy-∆9 -THC (THCCOOH) in postmortem fluids and tissues from deceased pilots. These cannabinoids, as well as others, exist in human urine as their glucuronide conjugates, formed during Phase II metabolism to increase their solubility for excretion. Prior to the analysis of cannabinoids in urine by gas chromatography/mass spectrometry (GC-MS), it is desirable to cleave (hydrolyze) the glucuronic acid to enhance the detection of the unconjugated compounds. In the current study, β-glucuronidases from 3 mollusk species (Helix pomatia, Patella vulgate, and Haliotis rufescens), 1 bacteria (Escherichia coli), and bovine liver were compared for their quantitative efficiency in hydrolyzing the glucuronide bond in spiked, blank urine.
Format:

PDF
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FAA Civil Aerospace Medical Institute
Main Document Checksum:

[+]

urn:sha256:98bc0658fd3a62ac0cffff9e4ef088e8ee266ea0341c161545f8e139c09cc2f2
Download URL:

https://rosap.ntl.bts.gov/view/dot/57190/dot_57190_DS1.pdf
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Comparison of Species-Specific β-Glucuronidase Hydrolysis of Cannabinoid Metabolites in Human Urine

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