Sultana B., Anwar F., Iqbal S. (2008) Effect of different cooking methods on the antioxidant activity of some vegetables from Pakistan. Journal of Food Science and Technology 43:560-567

Abbreviation: SULTANA 2008

Food Processing

This publication was used to obtain 20 retention factor values.

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.78 Spinach Spinach, boiled for 5 min and drained 219.6 181.8 mg/100 g fresh weight
0.71 Spinach Spinach, cooked in domestic microwave oven (500 W) for 5 min with water 219.6 241.2 mg/100 g fresh weight
0.55 Spinach Spinach, fried for 5 min with season sunflower oil and cooled 219.6 181.8 mg/100 g fresh weight
1.87 Carrot (Daucus carota, var. T-29) Carrot (Daucus carota, var. T-29) - boiled for 5 min and drained 39.6 79.0 mg/100 g fresh weight
1.22 Carrot (Daucus carota, var. T-29) Carrot (Daucus carota, var. T-29) - cooked in domestic microwave oven (500 W) for 8 min with water 39.6 52.0 mg/100 g fresh weight
1.89 Carrot (Daucus carota, var. T-29) Carrot (Daucus carota, var. T-29) - fried for 5 min with season sunflower oil and cooled 39.6 100.0 mg/100 g fresh weight
0.41 Cabbage (Brassica oleracea, var. Capitata) Cabbage (Brassica oleracea, var. Capitata) - boiled for 5 min and drained 223.2 95.2 mg/100 g fresh weight
0.40 Cabbage (Brassica oleracea, var. Capitata) Cabbage (Brassica oleracea, var. Capitata) - cooked in domestic microwave oven (500 W) for 5 min with water 223.2 98.0 mg/100 g fresh weight
0.46 Cabbage (Brassica oleracea, var. Capitata) Cabbage (Brassica oleracea, var. Capitata) - fried for 5 min with season sunflower oil and cooled 223.2 138.6 mg/100 g fresh weight
0.49 Cauliflower (Brassica oleracea, var. Botrytis) Cauliflower (Brassica oleracea, var. Botrytis) - boiled for 5 min and drained 217.6 108.5 mg/100 g fresh weight
0.16 Cauliflower (Brassica oleracea, var. Botrytis) Cauliflower (Brassica oleracea, var. Botrytis) - cooked in domestic microwave oven (500 W) for 5 min with water 217.6 39.2 mg/100 g fresh weight
0.35 Peas Fresh pea, boiled for 5 min and drained 132.0 52.8 mg/100 g fresh weight
1.41 Peas Fresh pea, cooked in domestic microwave oven (500 W) for 5 min with water 132.0 200.2 mg/100 g fresh weight
0.81 Peas Fresh pea, fried for 5 min with season sunflower oil and cooled 132.0 143.0 mg/100 g fresh weight
0.59 Yellow turnip Turnip yellow, boiled for 5 min and drained 140.8 87.6 mg/100 g fresh weight
0.22 Yellow turnip Turnip yellow, cooked in domestic microwave oven (500 W) for 5 min with water 140.8 33.6 mg/100 g fresh weight
0.36 Yellow turnip Turnip yellow, fried for 5 min with season sunflower oil and cooled 140.8 68.4 mg/100 g fresh weight
0.61 White turnip Turnip white, boiled for 5 min and drained 96.0 61.8 mg/100 g fresh weight
0.47 White turnip Turnip white, cooked in domestic microwave oven (500 W) for 5 min with water 96.0 49.2 mg/100 g fresh weight
0.73 White turnip Turnip white, fried for 5 min with season sunflower oil and cooled 96.0 74.4 mg/100 g fresh weight