Interrelationships of Cold Exposure and Amino Acid Imbalances

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Abstract
Moderate cold exposure was used as a tool in inducing a higher food intake in experiments dealing with amino acid imbalances in the rat. The data indicate that the rats kept at 25°C suffer a severe metabolic disorder after ingesting amino acid imbalanced diets. In contrast, the animals kept at 7°C readily consumed the imbalanced diets and, consequently, grew as well as the controls. Liver glutamic-oxalacetic and glutamic-pyruvic transaminase and liver arginase activity were increased as a result of a cold exposure. It is suggested that a moderate cold stress is an effective agent in correcting and overcoming amino acid imbalances.

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