Dietary carbohydrate accelerates ethanol elimination, but does not alter hepatic alcohol dehydrogenase.
Level 5 - mechanism / opinion, no new human data
Controlled animal study
PubMed 8488989 · doi:10.1111/j.1530-0277.1993.tb00789.x
What was done
Adult female rats consuming a standard chow diet received either plain water or drinking water supplemented with fructose or glucose for 10 days. Researchers measured ethanol elimination rates and hepatic alcohol dehydrogenase (ADH) activity across the groups.
What was found
Rats supplemented with fructose or glucose had significantly higher ethanol elimination rates (4.85 +/- 0.28 and 4.92 +/- 1.56 microM ethanol/min/g liver, respectively) compared to control rats receiving unsupplemented water (3.65 +/- 0.29 microM ethanol/min/g liver). However, hepatic ADH activity was not significantly different among the fructose (1687 +/- 101 nM ethanol/min/g liver), glucose (1832 +/- 15 nM ethanol/min/g liver), and control groups (1845 +/- 160 nM ethanol/min/g liver).
Why it matters
This study demonstrates that carbohydrate-induced increases in ethanol clearance occur via pathways independent of alterations in hepatic alcohol dehydrogenase activity.
Limits
This was an animal study conducted exclusively in female rats, limiting direct applicability to humans. The abstract does not report the total sample size (n), the concentrations of carbohydrates administered, or the alternative mechanism responsible for the increased elimination rate.
Cited by
- supports Co-administering fructose or sugar with alcohol accelerates alcohol metabolism and increases voluntary alcohol intake in animal models.