Parotid salivary flow increased with increasing concentrations of ethyl alcohol (4.8 to 47.5%), with greater secretion at solution temperatures of 1.5 C than at 22 C. Subjects salivated significantly less when vision was eliminated by black goggles and more in response to 0.15% citric acid than to 20% alcohol, whereas the combination of acid and alcohol elicited responses similar to those from acid alone. Alcohol had a greater sialagogic effect in wine than in water.
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Martin et al. (1971) studied this question.
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