TY - JOUR TI - High-dose ascorbic acid decreases cholesterolernic factors of an atherogenic diet in guinea pigs AU - Filis, Konstantinos AU - Anastassopoulou, Aikaterini AU - Sigala, Fragiska AU - and Theodorou, Dimitrios AU - Manouras, Andreas AU - Leandros, Emanouel AU - and Sigalas, Panagiotis AU - Hepp, Wolfgang AU - Bramis, John JO - International journal for vitamin and nutrition research PY - 2007 VL - 77 TODO - 2 SP - 125-129 PB - Verlag Hans Huber SN - 0300-9831 TODO - 10.1024/0300-9831.77.2.125 TODO - hyperlipidemia; ascorbic acid; atherosclerosis; cholesterol; diet TODO - Background: The study evaluates the effect of a high supplemental dose of ascorbic acid (AA) on plasma concentrations of total cholesterol (TC), triglycerides (TG), total lipids (TL), and lipoprotein fractions high-density, very-low-density-, and low-density lipoprotein (HDL, VLDL, LDL) in guinea pigs fed with atherogenic, diet. Methods: Group I consisted of 5 normally fed guinea pigs plus a low dose of AA (1 mg/100 g/day), group II consisted of 7 guinea pigs fed with food enriched with 2% cholesterol plus a low dose of AA (1 mg/100 g/day), and group III consisted of 7 guinea pigs fed with food enriched with 2% cholesterol plus a high dose of AA -(30 mg/100 g/day). Cholesterolemic factors concentrations were determined, after nine weeks. Results: Concentrations of TC, TG, TL, LDL, and VLDL were increased in group II compared to group I (p < 0.01 for all differences). Supplementation with a high dose of AA resulted in decreased concentrations of TC (p < 0.01), TG (p < 0.01), TL (p < 0.01), and LDL (p < 0.01) in group III compared to group II. Additionally, concentration of HDL was increased in group III compared to group II (p < 0.01). Conclusion: High-dose AA supplementation to an atherogenic diet decreases concentrations of TC, TG, TL, and LDL and increases concentration of HDL compared to low-dose AA. ER -