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Effects of Unextruded and Extruded Cranberry Pomace on Selected Metabolic Parameters in High-Fat Diet Fed Rats.

Bajerska J; Chmurzynska A; Mildner-Szkudlarz S; Drzymala-Czyz S; Gornas P; Waskiewicz A; Muzsik A; Podgorski T; Nowaczyk P; Wozniewicz M.
Acta Scientiarum Polonorum Technologia Alimentaria. 17(1):91-100

BACKGROUND: The effects of un-extruded (UCP) and extruded cranberry pomace (ECP) on fecal fat excretion, liver index, lipid and carbohydrate metabolism, and inhibition of oxidative stress due to a high-fat diet (HFD) in rats were studied. METHODS: The Wistar rats for 8 weeks received one of the four diets: (1) control (modified the American Institute of Nutrition: AIN based diet containing 7% fat), (2) HFD (AIN based diet containing 30% fat), (3) HFD with 3% un-extruded (UCP) and (4) HFD with 3% (ECP). RESULTS: Both UCP and ECP significantly improved the plasma antioxidant capacity and decreased lipid per- oxidation in rats fed a HFD. However, only the addition of 3% UCP into the HFD significantly increased the fecal lipid excretion and considerably decreased serum triglycerides level in rats. CONCLUSIONS: Further investigation is needed to determine the role of an individual components present in UCP and ECP in the improvement of metabolic conditions observed in the current study.