Men and women who are assigned to a 6 weeks experimental period where they consume the rich polyphenol berries extract mix.

Men and women who are assigned to a 6 weeks experimental period where they consume a placebo.

Diabetes

Cardiovascular Disease

Men and women are assigned to an uncontrolled nutritional intervention where they have to consume every day one of the beverage. Half of the subjects consume the experimental beverage containing polyphenols from berries extracts, the other half consume a placebo beverage without polyphenols. The polyphenol containing beverage daily supply 1,84 g of a strawberry and cranberry extract. This amount give the equivalent of 333 mg of polyphenols, thus corresponding to a daily consumption of one cup of berries. The placebo beverage is also a fruit taste beverage, but without polyphenols. Both beverage are isocaloric, with same appearance and taste. A 2 weeks stabilisation period precede the 6 weeks experimental period. During these two periods, subjects are advise to maintain their habitual caloric intake and their habitual activity level, and to avoid consumption of particular food with a high polyphenol content.

Uncontrolled nutritional intervention with a supplemental beverage

Placebo

Institute of Nutraceuticals and Functional Foods (INAF), Laval University

Beneficial Effects of a Polyphenol Enriched Beverage on Type 2 Diabetes Prevention and on Cardiovascular Risk Profile of Men and Women With Insulin Resistance.

glucose and insulin concentrations during a 120-min euglycemic-hyperinsulinemic clamp, glucose and insulin concentrations during a 120-min oral glucose tolerance test, insulin sensitivity, c-peptide, C-reactive protein (hs-CRP), interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-alpha) and plasminogen activator inhibitor-1 (PAI-1) levels, triglycerides, total cholesterol, very low density lipoprotein cholesterol (cVLDL), low density lipoprotein cholesterol (cLDL), high density lipoprotein cholesterol (cHDL), apolipoprotein A-1 and B, oxidized-LDL, glucose disposition rate (GDR), insulin sensitivity measure (MI), beta-cells function

anthropometric measurements (body mass index, waist and hip circumferences)

Helene Jacques

Professor

Laval University

Consortium de recherche et innovations en bioprocédés industriels au Québec (CRIBIQ)

Institute of Nutraceuticals and Functional Foods

An experimental group randomized to PMI 5011

sesquiterpene/obesitas

Beneficial Effects of a Polyphenol Enriched Beverage on Type 2 Diabetes Prevention and on Cardiovascular Risk Profile of Men and Women With Insulin Resistance.

Safety and Efficacy Study of Tarragon on Insulin Action in Humans

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