Safety aspects regarding the consumption of high-dose dietary diacylglycerol oil in men and women in a double-blind controlled trial in comparison with consumption of a triacylglycerol control oil

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
Koichi YasunagaJoseph F Borzelleca

Abstract

With the approval for use in foods in Japan and the United States, the use of diacylglycerol (DAG) oil in fat-based products may become extensive due to equivalent physicochemical properties to conventional triacylglycerol (TAG) oil. The objective of the present study was to compare the effects of high-dose consumption of DAG oil in humans with that of TAG oil. In a double-blind controlled parallel trial, moderately lean men (n=42) and women (n=39) consumed either DAG or TAG at a dose of approximately 0.5 g/kg body weight/day as part of their diet for 12 weeks. All subjects completing the study tolerated the test oils well and showed no overt effects. Total caloric and fat intake remained constant and showed no significant differences between the groups. There was no significant difference in the occurrence of clinical signs and physical complaints related to test oil consumption. Although some statistically significant effects were reported in hematological and serum chemistry parameters in both DAG and TAG groups, none of these reported changes were considered biologically significant. Overall, this 12-week clinical study revealed no significant or treatment-related adverse effects of DAG oil consumed at a dose of 0.5 g/kg of...Continue Reading

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