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The recipe for sujeonggwa, a Korean traditional sweet drink containing cinnamon, ginger, sugar, or honey, was modified by replacing sugar with alternative sweeteners (stevia or short-chain frutooligosaccharide (scFOS)) in order to improve the health functionality of sujeonggwa. The aim of this study was to evaluate the effects of modified sujeonggwa on lipid peroxidation and oxidized DNA damage in diet-induced hypercholesterolemic ApoE knockout mice. Hypercholesterolemia was induced in 6-week-old male mice by administration of a high cholesterol diet (1.25% cholesterol, 0.5% cholic acid, and 10% coconut oil) for 4 weeks, after which mice were divided into five groups: sucrose solution-fed control group, sujeonggwa containing sucrose group, sucrose+stevia group, su- crose+stevia+scFOS group, and commercially available sujeonggwa group as a positive control. After 6 weeks, su- jeonggwa supplementation resulted in reduced hepatic thiobarbituric acid reactive substances (TBARS), regardless of sweetener type. However, reduction of hepatic TBARS by commercially available sujeonggwa was insignificant. Both endogenous and H2O2-induced DNA damage in hepatocytes and splenocytes were significantly reduced only in the sujeonggwa containing stevia group compared to the sucrose-fed control group. There were no significant effects of sujeonggwa supplementation on total radical trapping potential, lipid peroxidation, or DNA damage in blood. These results suggest that sujeonggwa has protective effects against hepatic lipid peroxidation and DNA damage in hepatocytes or splenocytes from diet-induced hypercholesterolemic ApoE knockout mice, and the type of sweetener should be modified to improve the health benefits of sujeonggwa. |
