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Effects of Small Colored Potato Extracts by High-Pressure Extraction on Serum Lipid Levels in High Fat Diet Fed Rats  

Rha, Young-Ah (Dept. of Food Science and Services, Eulji University)
Choi, Mi-Sook (Dept. of Food Science and Services, Eulji University)
Kwon, Min-Soo (Rokya Agricultural Corp.)
Hwang, Young-Jeong (Dept. of Food Science & Culinary Arts, International University of Korea)
Park, Sung-Jin (Dept. of Tourism Food Service Cuisine, Hallym Polytechnic University, Research Institute of Biomaterial, Hallym Polytechnic University)
Publication Information
Culinary science and hospitality research / v.20, no.4, 2014 , pp. 157-168 More about this Journal
Abstract
We investigated the anti-obesity effects of small colored potato extracts by high pressure water extraction process on body weight, plasma lipid levels in high-fat diet-induced obese mice. Experimental groups were divided into basal diet only (Normal), high fat diet control (HFD), small colored potato water extracts (CP), and high-fat diet and small colored potato water high pressure extracts (HCP) groups. The levels of hematological variables were not significantly different among the four groups. Compared with the HFD group's serum total cholesterol level of $86.01{\pm}1.16mg/dL$, the levels of the CP and HCP groups were significantly lowered to $80.29{\pm}1.28$ and $77.21{\pm}4.21mg/dL$, respectively. Compared with the HFD group's LDL-cholesterol level of $18.92{\pm}2.44mg/dL$, the LDL-cholesterol levels of the CP and HCP groups were significantly lowered to $13.52{\pm}1.26$ and $12.93{\pm}1.26mg/dL$, respectively. Also, compared to the HFD group's serum triglyceride level of $82.71{\pm}3.94mg/dL$, the level of the HCP group was significantly lowered to $63.24{\pm}6.32mg/dL$. These results suggested that dietary supplementation of small colored potato extracts using high pressure water extraction does not have any adverse effects on the hematological variables, while improving the lipid content and reducing hepatic damage of the high-fat fed rats.
Keywords
Small colored potato; high-pressure extract; high-fat diet; serum lipid; HDL-cholesterol; total cholesterol;
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