<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of the study was to carry out a toxicological chemical analysis of methanol in detectable quantities in the blood of patients with acute alcohol intoxication. Blood samples from 85 patients with acute alcohol intoxication were analysed for the presence of methanol. All patients with acute methanol intoxication were excluded from the study. The methods of gas chromatography with vapor-phase analysis (head-space) and flame ionization detection (FID) were used. The limit of detection (LOD=0.015 g/L) and the limit of quantification (LOQ=0.025 g/L) of methanol in whole blood were evaluated. In 30% of the cases, methanol was found in the blood in detectable quantities. The levels of methanol were on the average 5 to 6 times lower than the toxic methanol level (0200 g/L) and they were not due to natural metabolic processes (ingestion of fruit, fruit juices or vegetables). No reliable statistically linear correlation between the concentration of ethanol and methanol was found. Methanol subintoxications are major factors in alcohol intoxications, in which the quantity of the alcohol ingested is not as important as its quality. Chronic methanol subintoxication of people who often consume alcohol of poor quality is discussed.</p></abstract>

The aim of the study was to carry out a toxicological chemical analysis of methanol in detectable quantities in the blood of patients with acute alcohol intoxication. Blood samples from 85 patients with acute alcohol intoxication were analysed for the presence of methanol. All patients with acute methanol intoxication were excluded from the study. The methods of gas chromatography with vapor-phase analysis (head-space) and flame ionization detection (FID) were used. The limit of detection (LOD=0.015 g/L) and the limit of quantification (LOQ=0.025 g/L) of methanol in whole blood were evaluated. In 30% of the cases, methanol was found in the blood in detectable quantities. The levels of methanol were on the average 5 to 6 times lower than the toxic methanol level (0200 g/L) and they were not due to natural metabolic processes (ingestion of fruit, fruit juices or vegetables). No reliable statistically linear correlation between the concentration of ethanol and methanol was found. Methanol subintoxications are major factors in alcohol intoxications, in which the quantity of the alcohol ingested is not as important as its quality. Chronic methanol subintoxication of people who often consume alcohol of poor quality is discussed.

Toxicological Chemical Analysis of Methanol in Blood of Patients with Acute Ethanol Intoxication for Determining Detectable Quantities of Methanol and Analysis of the Correlation Between Ingested Alcohol

Laboratory of Analytical Toxicology, Military Medical Academy, Navy Hospital - Varna 3, Christo Smirnenski Str. Varna, 9000,

Department of Intensive Treatment of Acute Intoxications and Toxicoallergies, Military Medical Academy, Navy Hospital - Varna,

Journal of Biomedical and Clinical Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of the study was to carry out a toxicological chemical analysis of methanol in detectable quantities in the blood of patients with acute alcohol...

Toxicological Chemical Analysis of Methanol in Blood of Patients with Acute Ethanol Intoxication for Determining Detectable Quantities of Methanol and Analysis of the Correlation Between Ingested Alcohol

Publié en ligne: 30 nov. 2016

Pages: 48 - 54

Reçu: 01 mars 2016

Accepté: 30 mai 2016

DOI: https://doi.org/10.1515/jbcr-2016-0007

Mots clés
ethanol, methanol

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Toxicological Chemical Analysis of Methanol in Blood of Patients with Acute Ethanol Intoxication for Determining Detectable Quantities of Methanol and Analysis of the Correlation Between Ingested Alcohol

Publié en ligne: 30 nov. 2016

Pages: 48 - 54

Reçu: 01 mars 2016

Accepté: 30 mai 2016

DOI: https://doi.org/10.1515/jbcr-2016-0007

Mots clésethanol, methanol

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
ethanol, methanol