Abstract
A total of 31 workers employed in hot work in small-scale foundries, 13 gardeners engaged at light jobs under the sun and 16 sedentary persons were selected after medical screening for a study of the levels of serum enzymes [glutamic oxalacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), lactic dehydrogenase (LDH) and adolase]. Only the LDH values in the foundry workers and gardeners differed significantly from that of the unexposed subjects. A trend of slight increase in activity of these enzymes after exposure was observed, though it was not statistically significant.
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