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Eur J Clin Nutr. 1997 Sep;51(9):633-6.

Milk fat does not affect the symptoms of lactose intolerance.

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  • 1University of Turku, Department of Biochemistry and Food Chemistry, Finland.

Abstract

OBJECTIVE:

This study investigated the role of the fat content of milk on symptoms of lactose intolerance.

DESIGN:

Subjects recorded intolerance symptoms using a visual analogue scale (VAS) following ingestion of three test milks for varying fat content for a two-day period.

SUBJECTS/SETTING:

The subjects were thirty adult volunteers, patients of two Estonian out-patient clinics with diagnosed lactose intolerance. The study milks were drunk at home or at work. All thirty subjects completed the study protocol.

INTERVENTION:

Each subject drank, in random order, fat-free milk (4.9% lactose), high-fat milk (8% fat, 4.9% lactose), and a lactose-free and fat-free control milk. They drank 200 ml of the milk twice a day for two days, one milk type per session, with five days between sessions. The subjects noted their gastrointestinal symptoms during the test periods and during a 5 d milk-free period at the beginning of the study. The occurrence and severity of symptoms were compared. A global measure of the severity of symptoms was defined by computing the sum of the symptoms scores.

RESULTS:

The sum of symptoms was higher during all milk periods than during the milk-free period (P < 0.01). There were no statistically significant differences in the occurrence or severity of symptoms during the fat-free milk period compared with the high-fat milk period.

CONCLUSIONS:

Even a marked difference in the fat content of milk did not affect the symptoms of lactose intolerance. Consequently, there seems to be no case for recommending full-fat milk products in the treatment of lactose intolerance.

PMID:
9306091
[PubMed - indexed for MEDLINE]
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