Intestinal β-galactosidases: I. Separation and characterization of three enzymes in normal human intestine

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Abstract

Previous studies based on work in the rat and preliminary experiments with human intestine have suggested that two β-galactosidases are present in small intestine, and it is believed that only one of these enzymes is a lactase important for the digestion of dietary lactose. The high prevalence of intestinal lactase deficiency in man prompted more complete study of these enzymes.

Authors

Gary M. Gray, Nilda A. Santiago