Research Article

Antiobesity and Antidiabetic Effects of Portulaca oleracea Powder Intake in High-Fat Diet-Induced Obese C57BL/6 Mice

Table 1

Composition of diet formula (%).

IngredientCON(1)IngredientHFD(2)HFD + PO5%HFD + PO10%

Ground whole hard meal34.90Casein26.5025.1823.85
Ground #2 yellow corn21.00L-cysteine0.400.380.36
Ground whole oats10.00Maltodextrin16.0015.214.4
Wheat middlings10.00Sucrose9.008.558.10
Fish meal (60% protein)9.00Lard31.0029.4527.9
Soy oil2.00Soybean oil3.002.852.7
Soybean meal (47.5% protein)5.00Cellulose6.556.555.90
Alfalfa meal (17% protein)2.00Mineral mix(3)4.804.564.32
Corn gluten meal (60% protein)2.00Calcium phosphate0.340.320.31
Dicalcium phosphate1.50Vitamin mix(4)2.102.01.89
Yeast-brewer1.00Choline bitartrate0.300.290.27
Premixes0.60Blue food color0.010.010.01
Ground limestone0.50Portulaca oleracea powder(5)5.0010.00
Salt0.50Energy (kcal/g) (6)5.104.864.61
Energy (kcal/g)3.11

(1)CON: control diet; HFD: high fat diet; HFD + PO5%: high fat diet + 5% P. oleracea powder; HFD + PO10%: high fat diet + 10% P. oleracea powder. (2)HFD was composed of 60% kcal from fat (protein 23.5%, carbohydrate 27.3%, and fat 34.3% by weight). (3)Mineral mixture according to AIN-93G-MX. (4)Vitamin mixture according to AIN-93-VX. (5)The powder was purchased from Hanbit Farm (Yeongdeok, Kyeongbuk, Korea) and composed of protein 13.4%, fat 1.9%, nitrogen-free extract 47.6%, ash 12.1%, and fiber 25.0% based on Standard Tables of Feed Composition from Korea National Institute of Animal Science. (6)Calculated by Portulaca oleracea nutrient based on Food Data Central of U.S Department of Agriculture.