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Journal Article

Citation

Badawy AA, Morgan CJ, Thomas R. Alcohol Alcohol. 2009; 44(4): 403-408.

Affiliation

Cardiff School of Health Sciences, University of Wales Institute Cardiff (UWIC), Western Avenue, Cardiff CF52YB, UK. ABadawy@uwic.ac.uk

Copyright

(Copyright © 2009, Oxford University Press)

DOI

10.1093/alcalc/agp017

PMID

19321848

Abstract

AIMS: The aim of this study was to establish the contribution of low-alcohol beers to blood-ethanol concentration (BEC) and to test if 'topping-up' with these beverages can increase BEC above the 80 mg/dl UK legal limit. METHODS: Healthy male and female volunteers received a dose of ethanol designed to give a BEC of just below 80 mg/dl, and then received one pint (600 ml) of a 1% v/v alcohol beer in the fasting state or after lunch, or of a zero-alcohol or a 0.5% v/v alcohol beer after fasting. BEC was determined enzymatically and data were subjected to ANOVA. RESULTS: Topping-up with a pint of a 1% v/v alcohol beer increased BEC >80 mg/dl in fasting subjects, contributing an extra 12-17 mg/dl, which lasted longer in males (80 min) than in females (20 min). A 0.5% v/v alcohol beer increased BEC above 80 mg/dl only in males, which lasted for 60 min. After food intake, the 1% v/v alcohol beer increased BEC above 80 mg/dl transiently only in males. CONCLUSIONS: Low-alcohol beers make a significant contribution to blood-ethanol concentration and can increase it above the UK legal limit. Their use as a 'top-up' should be discouraged. Low-alcohol beers have a place as a substitute for normal-strength beverages as a strategy for decreasing alcohol consumption in general and in countries where low legal alcohol limits are in force or being contemplated.


Language: en

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