Authors: Costantino, Anthony¹; DiGregorio, E. John²; Korn, Warren²; Spayd, Stephanie²; Rieders, Frederic²

Source: Journal of Analytical Toxicology, Volume 30, Number 9, November/December 2006 , pp. 659-662(4)

Publisher: Preston Publications

Abstract:

Two studies were performed to evaluate the effect of alcohol containing mouthwash on the appearance of ethyl glucuronide (EtG) in urine. In the first study, 9 volunteers were given a 4-oz bottle of mouthwash, which contained 12% ethanol. They gargled with all 4 oz. of the mouthwash at intervals over a 15-min period. All urine samples were collected over the next 24 h. Of 39 provided urine samples, there were 20 > 50 ng/mL, 12 > 100 ng/mL, 5 > 200 ng/mL, 3 > 250 ng/mL, and 1 > 300 ng/mL. The peak concentrations were all within 12 h after the exposure. In the second study, 11 participants gargled 3 times daily for 5 days. The first morning void was collected. Sixteen of the 55 submitted samples contained EtG concentrations of greater than 50 ng/mL. All of them were less than 120 ng/mL. These studies show that incidental exposure to mouthwash containing 12% ethanol, when gargling according to the manufacturer's instructions, can result in urinary EtG values greater than 50 ng/mL. All specimens were negative for ethanol. The limits of detection and quantitation for the EtG testing were 50 ng/mL.

Document Type: Research article

Affiliations: 1: National Medical Services, Inc., Willow Grove, Pennsylvania 2: Frederic Rieders Family Renaissance Foundation, Willow Grove, Pennsylvania

Publication date: 2006-11-01

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• The Journal of Analytical Toxicology (JAT), established in 1977 and published 9 times a year, is the international source covering a broad range of clinical, forensic, and industrial laboratory topics regarding the isolation, identification, and quantitation of potentially toxic substances.

  With an emphasis on practical application, JAT articles provide improved and novel techniques for use in clinical, forensic, workplace, sports testing (doping), and other toxicology laboratories. Articles describe newly developed methods in immunoassay testing, gas chromatography, liquid chromatography, mass spectrometry, atomic absorption spectrometry, solid and liquid phase extraction techniques, and other analytical approaches. Worldwide readership includes toxicologists, pathologists, chemists, clinicians, researchers, and educators working in medical examiner and law enforcement laboratories, hospitals, university and independent analytical laboratories, as well as the drug manufacturing industry.

  Each year in October, we publish a special issue from the Society of Forensic Toxicologists.

  JAT, as determined by ISI Citation Index, is one of the two most referenced international journals in forensic science.

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