Ewald C., Fjelkner-Modig S., Johansson K., Sjoholm I., Akesson B. (1999) Effect of processing on major flavonoids in processed onions, green beans, and peas. Food Chemistry 64:231-235

Abbreviation: EWALD 1999

Food Composition

This publication was used to obtain 110 food polyphenol content values.

Original Content Value Original Food Description Commercial Origin Number of Samples Analyzed
41.00 mg/100 g FW Onion - Raw no 2
25.00 mg/100 g FW Onion - Blanched with steam no 12
22.00 mg/100 g FW Onion - Boiled in water 3 min no 10
24.00 mg/100 g FW Onion - Microwaved 3 min 650 W no 8
25.00 mg/100 g FW Onion - Pan-fried rapeseed oil 5 min no 6
31.00 mg/100 g FW Onion - Pan-fried butter 5 min no 6
20.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 1h no 6
21.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 2h no 6
0.96 mg/100 g FW Onion - Raw no 2
0.35 mg/100 g FW Onion - Blanched with steam no 8
0.30 mg/100 g FW Onion - Boiled in water 3 min no 6
0.29 mg/100 g FW Onion - Microwaved 3 min 650 W no 6
0.41 mg/100 g FW Onion - Pan-fried rapeseed oil 5 min no 4
0.39 mg/100 g FW Onion - Pan-fried butter 5 min no 4
0.26 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 1h no 4
0.31 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 2h no 4
0.00 mg/100 g FW Onion - Raw no 1
0.00 mg/100 g FW Onion - Blanched with steam no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min no 1
0.00 mg/100 g FW Onion - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Onion - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Onion - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Onion - Raw no 1
0.00 mg/100 g FW Onion - Blanched with steam no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min no 1
0.00 mg/100 g FW Onion - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Onion - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Onion - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Onion - Raw no 1
0.00 mg/100 g FW Onion - Blanched with steam no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min no 1
0.00 mg/100 g FW Onion - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Onion - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Onion - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Onion - Boiled in water 3 min - Warm-holding 60°C 2h no 1
1.30 mg/100 g FW Green beans - Blanched in water no 6
1.00 mg/100 g FW Green beans - Boiled in water 3 min no 2
1.40 mg/100 g FW Green beans - Microwaved 3 min 650 W no 2
1.10 mg/100 g FW Green beans - Pan-fried rapeseed oil 5 min no 2
1.50 mg/100 g FW Green beans - Pan-fried butter 5 min no 2
1.10 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 1h no 2
1.20 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 2h no 2
0.24 mg/100 g FW Green beans - Blanched in water no 4
0.20 mg/100 g FW Green beans - Boiled in water 3 min no 2
0.31 mg/100 g FW Green beans - Microwaved 3 min 650 W no 2
0.24 mg/100 g FW Green beans - Pan-fried rapeseed oil 5 min no 2
0.28 mg/100 g FW Green beans - Pan-fried butter 5 min no 2
0.23 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 1h no 2
0.25 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 2h no 2
0.00 mg/100 g FW Green beans - Blanched in water no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min no 1
0.00 mg/100 g FW Green beans - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Green beans - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Green beans - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Green beans - Blanched in water no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min no 1
0.00 mg/100 g FW Green beans - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Green beans - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Green beans - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Green beans - Blanched in water no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min no 1
0.00 mg/100 g FW Green beans - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Green beans - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Green beans - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Green beans - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.15 mg/100 g FW Peas - Blanched in water no 2
0.09 mg/100 g FW Peas - Boiled in water 3 min no 2
0.09 mg/100 g FW Peas - Microwaved 3 min 650 W no 2
0.16 mg/100 g FW Peas - Pan-fried rapeseed oil 5 min no 2
0.16 mg/100 g FW Peas - Pan-fried butter 5 min no 2
0.09 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 1h no 2
0.12 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 2h no 2
0.00 mg/100 g FW Peas - Blanched in water no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min no 1
0.00 mg/100 g FW Peas - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Peas - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Peas - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Peas - Blanched in water no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min no 1
0.00 mg/100 g FW Peas - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Peas - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Peas - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Peas - Blanched in water no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min no 1
0.00 mg/100 g FW Peas - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Peas - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Peas - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 2h no 1
0.00 mg/100 g FW Peas - Blanched in water no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min no 1
0.00 mg/100 g FW Peas - Microwaved 3 min 650 W no 1
0.00 mg/100 g FW Peas - Pan-fried rapeseed oil 5 min no 1
0.00 mg/100 g FW Peas - Pan-fried butter 5 min no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 1h no 1
0.00 mg/100 g FW Peas - Boiled in water 3 min - Warm-holding 60°C 2h no 1

Food Processing

This publication was used to obtain 14 retention factor values.

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.53 Onion - Raw Onion - Blanched with steam 41.0 25.0 mg/100 g fresh weight
0.31 Onion - Raw Onion - Blanched with steam 0.96 0.35 mg/100 g fresh weight
0.46 Onion - Raw Onion - Boiled in water 3 min 41.0 22.0 mg/100 g fresh weight
0.27 Onion - Raw Onion - Boiled in water 3 min 0.96 0.3 mg/100 g fresh weight
0.54 Onion - Raw Onion - Microwaved 3 min 650 W 41.0 24.0 mg/100 g fresh weight
0.28 Onion - Raw Onion - Microwaved 3 min 650 W 0.96 0.29 mg/100 g fresh weight
0.37 Onion - Raw Onion - Pan-fried rapeseed oil 5 min 41.0 25.0 mg/100 g fresh weight
0.26 Onion - Raw Onion - Pan-fried rapeseed oil 5 min 0.96 0.41 mg/100 g fresh weight
0.46 Onion - Raw Onion - Pan-fried butter 5 min 41.0 31.0 mg/100 g fresh weight
0.42 Onion - Raw Onion - Boiled in water 3 min - Warm-holding 60°C 1h 41.0 20.0 mg/100 g fresh weight
0.44 Onion - Raw Onion - Boiled in water 3 min - Warm-holding 60°C 2h 41.0 21.0 mg/100 g fresh weight
0.25 Onion - Raw Onion - Pan-fried butter 5 min 0.96 0.39 mg/100 g fresh weight
0.23 Onion - Raw Onion - Boiled in water 3 min - Warm-holding 60°C 1h 0.96 0.26 mg/100 g fresh weight
0.28 Onion - Raw Onion - Boiled in water 3 min - Warm-holding 60°C 2h 0.96 0.31 mg/100 g fresh weight