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Mediterranean diet without breakfast best choice for diabetics

Date:
November 28, 2013
Source:
Linköping Universitet
Summary:
For patients with diabetes, it is better to eat a single large meal than several smaller meals throughout the day. This is the result of a current dietary study.

For patients with diabetes, it is better to eat a single large meal than several smaller meals throughout the day. This is the result of a current dietary study at Linköping University in Sweden.

In the study the effect on blood glucose, blood lipids and different hormones after meals were compared using three different macronutrient compositions in patients with type 2 diabetes. The three diets were a low-fat diet, a low-carbohydrate diet and a Mediterranean diet. The scientists included 21 patients that tested all three diets in a randomized order. During each test day blood samples were collected at six time points.

The low-fat diet had a nutrient composition that has traditionally been recommended in the Nordic countries, with about 55% of the total energy from carbohydrates. The low-carbohydrate diet had a relatively low content of carbohydrate; approximately 20% of the energy was from carbohydrates and about 50% of the total energy came from fat. The Mediterranean diet was composed of only a cup of black coffee for breakfast, and with all the caloric content corresponding to breakfast and lunch during the other two test days accumulated to one large lunch.

Furthermore, the total caloric content included energy from 150 ml (women) to 200 ml (men) of French red wine to ingest with the lunch. The food in the Mediterranean diet had an energy content from carbohydrates that was intermediate between the low-fat and the low-carbohydrate meals, and sources of fat were mainly olives and fatty fish.

"We found that the low-carbohydrate diet increased blood glucose levels much less than the low-fat diet but that levels of triglycerides tended to be high compared to the low-fat diet," says Doctor Hans Guldbrand, who together with Professor Fredrik Nystrom was the principal investigator of the study.

"It is very interesting that the Mediterranean diet, without breakfast and with a massive lunch with wine, did not induce higher blood glucose levels than the low-fat diet lunch, despite such a large single meal," says Professor Nyström.

"This suggests that it is favorable to have a large meal instead of several smaller meals when you have diabetes, and it is surprising how often one today refers to the usefulness of the so-called Mediterranean diet but forgets that it also traditionally meant the absence of a breakfast. Our results give reason to reconsider both nutritional composition and meal arrangements for patients with diabetes," says Professor Nystrom.


Story Source:

The above story is based on materials provided by Linköping Universitet. Note: Materials may be edited for content and length.


Journal Reference:

  1. Hanna Fernemark, Christine Jaredsson, Bekim Bunjaku, Ulf Rosenqvist, Fredrik H. Nystrom, Hans Guldbrand. A Randomized Cross-Over Trial of the Postprandial Effects of Three Different Diets in Patients with Type 2 Diabetes. PLoS ONE, 2013; 8 (11): e79324 DOI: 10.1371/journal.pone.0079324

Cite This Page:

Linköping Universitet. "Mediterranean diet without breakfast best choice for diabetics." ScienceDaily. ScienceDaily, 28 November 2013. <www.sciencedaily.com/releases/2013/11/131128103839.htm>.
Linköping Universitet. (2013, November 28). Mediterranean diet without breakfast best choice for diabetics. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2013/11/131128103839.htm
Linköping Universitet. "Mediterranean diet without breakfast best choice for diabetics." ScienceDaily. www.sciencedaily.com/releases/2013/11/131128103839.htm (accessed July 22, 2014).

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