Yield factor value: 1.11 (Broccoli, boiled, FR m.S, edible part, BOGNAR 2002_EUROFIR)

Retention factor (RF) = (Content After Processing / Content Before Processing) * Yield factor

Calculated Mean Retention Factor Value

mean RF value Min Max SD n
0.57 0.31 0.83 0.17 7

Original Retention Factor Values used to Produce Mean

Sikora E., Cieslik E., Leszczynska T., Filipiak-Florkiewicz A., Pisulewski P.M. (2008) The antioxidant activity of selected cruciferous vegetables subjected to aquathermal processing. Food Chemistry 107:55-9

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.83 Broccoli Broccoli, boiled for 12-15 min, until ready for consumption, at a temperature of around 100°C 289.0 217.0 mg/100 g fresh weight
Zhang D., Hamauzu Y. (2004) Phenolics, ascorbic acid, carotenoids and antioxidant activity of broccoli and their changes during conventional and microwave cooking. Food Chemistry 88:503-509

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.58 Brocoli - Florets Brocoli - Florets - Boiled conventional - 60 s 34.5 18.1 mg/100 g fresh weight
0.48 Brocoli - Florets Brocoli - Florets - Boiled conventional - 90 s 34.5 15.2 mg/100 g fresh weight
0.42 Brocoli - Florets Brocoli - Florets - Boiled conventional - 120 s 34.5 13.2 mg/100 g fresh weight
0.31 Brocoli - Florets Brocoli - Florets - Boiled conventional - 300 s 34.5 9.7 mg/100 g fresh weight
0.75 Brocoli - Florets Brocoli - Florets - Boiled conventional - 30 s 34.5 23.6 mg/100 g fresh weight
Gawlik-Dziki U. (2008) Effect of hydrothermal treatment on the antioxidant properties of broccoli (Brassica oleracea var. botrytis italica) florets. Food Chemistry 109:393-401

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.65 Broccoli Broccoli, florets boiled for 10 min 270.0 160.0 mg/100 g fresh weight