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This study aims to evaluate the effect of the combination of tempeh and red ginger flour in hypercholesterolemic rats.

Sprague Dawley male rats (n = 30; body weight 150-200 g) were randomly divided by five groups (n = 6), consist of negative control (K−) group: group fed by normal diet (laboratory standard diet laboratory, 4.35 kcal/g, 0% cholesterol); positive control (K+) group: group fed by high cholesterol diet (5.28 kcal/g, 12.1% cholesterol); Treatment 1 (P1) group: group fed by high cholesterol diet and treated by tempeh flour (TF) 1.9 g/200 g body weight; Treatment 2 (P2) group: group fed by high cholesterol diet and treated by red ginger flour (RGF) 0.036 g/200 g body weight; and Treatment 3 (P3) group: group fed by high cholesterol diet and treated by a combination TF 0.95 g/200 g body weight and red ginger 0.018 g/200 g body weight. The lipid profiles and malondialdehyde (MDA) were assessed.

The combination of tempeh and red ginger has successfully exerted the total cholesterol (121.9 ± 3.41 mg/dL; p < 0.01), triglycerides (TG) (89.3 ± 2.94 mg/dL; p < 0.01), low-density lipoprotein (39.1 ± 1.59 mg/dL) and MDA (2.0 ± 0.24 mg/dL; p < 0.01) lower than the other treatments. Also, the combination of tempeh and red ginger treatment appeared the highest high-density lipoprotein concentration (63.4 ± 2.26 mg/dL; p < 0.01) compared to the other treatment groups. Total cholesterol and TG were predicted as the increasing of MDA concentration.

The combination treatments successfully improved the lipid profiles and MDA. Furthermore, the combination of tempeh and red ginger could be effective in supporting therapy as the hypolipidemic condition.