Date of Award:

1979

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Nutrition, Dietetics, and Food Sciences

Department name when degree awarded

Nutrition and Food Sciences

Advisor/Chair:

Bonita W. Wyse

Abstract

Twenty-four young adults, ages 18 to 30, from Cache Valley were studied to determine the incidence of lactose malabsorption. Lactose malabsorption was determined by a two-hour oral lactose tolerance test. The criteria for a malabsorber was a flat glucose curve in which there was a rise in serum glucose less than 20 mg. per 100 ml. above the fasting level. Four of the subjects were found to be lactose malabsorbers. The incidence of lactose malabsorption was determined to be 16.67 per cent. A 95 per cent confidence interval for this study indicated that the actual percentage could be expected to be between 1.76 and 31.58 per cent with 75 per cent confidence. Two of the subjects determined to be lactose malabsorbers developed gastrointestinal symptoms associated with lactose intolerance: abdominal cramping, flatulence and/or diarrhea. The daily milk intake varied greatly among both lactose absorbers and malabsorbers subjects.

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