• Nachum Vaisman, Yagil Reuven, Marin Uzi, Gilda Georgi, and Gunther Boehm.
• The Clinical Nutrition Unit, Tel-Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, 6 Weisman Street, Tel Aviv, Israel. vaisman@tasmc.health.gov.il
• Clin Nutr. 2006 Aug 1;25(4):622-5.

Background & AimGastric emptying is determined by food consistency, pH, osmolality, lipid and calorie content as well as the presence of different nutrients in the duodenal lumen. Control of gastric emptying is essential for ensuring optimal digestion. The present study tested the hypothesis that due to its different precipitation properties, gastric emptying of camel's milk may be quicker than that of bovine's milk with the same caloric and fat content.MethodsGastric emptying was studied by a scintigraphic technique in a randomized, double blind fashion in 8 volunteers after drinking 450 mL of either cow's milk or camel's milk.ResultsNo differences in gastric emptying rates were found between the two types of milk. The percentage of retention of the meal after 60 min was 74.6+/-13.2% for cow's milk and 79.8+/-10.8% for camel's milk. The 50% emptying time (T(1/2)) was 131.8+/-37.4 min for cow's milk and 136.8+/-55.8 min for camel's milk.ConclusionsCamel's milk is most probably not a useful substitute for other types of milk to shorten gastric emptying.

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