Bioavailability of Anthocyanins of Blue Potatoes as Compared With Bilberries

Inclusion Criteria: * Age 18-45 * Male * No regular medication * No participation in a drug trial or blood donation within 2 months * Non-smoker * Signs informed consent * Body mass index 18.5-27 kg/m2 * Fasting plasma cholesterol \< 5.5 mmol/l * Fasting plasma triacylglycerols \< 2.6 mmol/l * Fasting plasma glucose 4-6 mmol/l * blood pressure \<140/80 mmHg * hemoglobin\>130 g/l * Fasting plasma alanine amino transferase (ALAT) \<60 U/l (normal liver function) * Fasting plasma thyroid-stimulating hormone (TSH) 0.4 - 4.5 mU/l (normal thyroid function) * Fasting plasma creatinine \<118 µmol/l (normal kidney function) Exclusion Criteria: * Regular smoking * Alcohol abuse * Regular medication