Turkmen N., Sari F., Velioglu Y.S. (2005) The effect of cooking methods on total phenolics and antioxidant activity of selected green vegetables. Food Chemistry 93:713-718

Abbreviation: TURKMEN 2005

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
0.96 Spinach - Fresh - Edible parts Spinach - Boiled 5 min - Edible parts 114.73 116.26 mg/100 g fresh weight
0.82 Spinach - Fresh - Edible parts Spinach - Steaming 7 min - Edible parts 114.73 125.16 mg/100 g fresh weight
0.67 Spinach - Fresh - Edible parts Spinach - Microwave 1 min - Edible parts 114.73 118.37 mg/100 g fresh weight
1.30 Broccoli - Fresh - Edible parts Broccoli - Steaming 7 min - Edible parts 132.47 166.14 mg/100 g fresh weight
1.02 Broccoli - Fresh - Edible parts Broccoli - Microwave 1 min - Edible parts 132.47 155.7 mg/100 g fresh weight
0.95 Green beans - Fresh - Edible parts Green beans - Boiled 5 min - Edible parts 35.53 36.46 mg/100 g fresh weight
1.09 Green beans - Fresh - Edible parts Green beans - Microwave 1 min - Edible parts 35.53 41.69 mg/100 g fresh weight
0.32 Leek - Fresh - Edible parts Leek - Boiled 5 min - Edible parts 51.13 17.45 mg/100 g fresh weight
0.38 Leek - Fresh - Edible parts Leek - Steaming 7 min - Edible parts 51.13 22.09 mg/100 g fresh weight
0.71 Peas - Fresh - Edible parts Peas - Boiled 5 min - Edible parts 38.49 30.75 mg/100 g fresh weight
0.75 Peas - Fresh - Edible parts Peas - Steaming 7 min - Edible parts 38.49 33.41 mg/100 g fresh weight
1.17 Green beans - Fresh - Edible parts Green beans - Steaming 7 min - Edible parts 35.53 45.74 mg/100 g fresh weight
0.41 Leek - Fresh - Edible parts Leek - Microwave 1 min - Edible parts 51.13 22.89 mg/100 g fresh weight
0.85 Peas - Fresh - Edible parts Peas - Microwave 1 min - Edible parts 38.49 35.33 mg/100 g fresh weight
0.62 Pepper - Fresh - Edible parts Pepper - Boiled 5 min - Edible parts 107.58 76.92 mg/100 g fresh weight
0.68 Pepper - Fresh - Edible parts Pepper - Steaming 7 min - Edible parts 107.58 84.8 mg/100 g fresh weight
0.59 Pepper - Fresh - Edible parts Pepper - Microwave 1 min - Edible parts 107.58 68.55 mg/100 g fresh weight
0.65 Squash - Fresh - Edible parts Squash - Boiled 5 min - Edible parts 41.65 29.83 mg/100 g fresh weight
0.73 Squash - Fresh - Edible parts Squash - Steaming 7 min - Edible parts 41.65 33.33 mg/100 g fresh weight
0.77 Squash - Fresh - Edible parts Squash - Microwave 1 min - Edible parts 41.65 34.9 mg/100 g fresh weight