It is well known that medium chain triglycerides (MCTs) and diacylglycerols (DGs) have effects on lowering circulating triglycerides (TGs). In this study, the mixture of MCTs and DGs (MCDGs) examined whether it has beneficial effects on postprandial lipids metabolism compared to long-chain triglycerides (TGs).
A randomized, double-blinded, controlled, cross-over trial was conducted to verify the effects of MCDGs. Twenty-eight healthy male and female subjects aged 21-29 years with normal body weight \[18.5 kg/m\^2 ≤ body mass index (BMI) \< 25 kg/m\^2\] were recruited. The subjects visited the research site twice over with a seven-day interval after an overnight fast at least 12 hr. On the first visit, the participants were randomly assigned to consume a test or placebo product \[test product: muffins containing MCDG oil (MCDG muffin); placebo product: muffins containing LCT oil (LCT muffin)\] and ingested the assigned product. On the second visit, the participants consumed the other product that they did not eat on the first visit. On both visit day, the 6-hr meal tolerance test was conducted and started at 8:00 in the morning; venous blood samples were collected before (0 hr) and after ingestion (2, 3, 4, and 6 hr) of the products.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
28
LCT muffin was provided to the study participants. The LCT muffin was consumed within 15 min, and then 6-h meal tolerance test was conducted. The muffin had approximately 465 kcal, 8.36 g of protein, 17.24 g of fat, and 69.0 g of carbohydrate; among the 17.24g of fat, 15g of fat was LCT.
MCDG muffin was provided to the study participants. The MCDG muffin was consumed within 15 min, and then 6-h meal tolerance test was conducted. The muffin had approximately 465 kcal, 8.36 g of protein, 17.24 g of fat, and 69.0 g of carbohydrate; among the 17.24g of fat, 15g of fat was MCDG.
Laboratory of Clinical Nutrigenetics/Nutrigenomics, Yonsei University.
Seoul, South Korea
Triglyceride levels
Triglyceride level differences during the 6-hr meal tolerance test between LCT and MCDG muffins intake
Time frame: 6 hours
The areas under the curve (AUC) of triglycerides
Triglyceride AUC differences between LCT and MCDG muffins intake
Time frame: 1 day of second visit (after finishing cross-over trial)
Triglyceride maximum concentration time
The time when triglyceride peaks maximum concentration during the 6-h meal tolerance test
Time frame: 1 day of second visit (after finishing cross-over trial)
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