Yield factor value: 0.87 (Onion, boiled, LCW, NL, BERGSTROM 1994_GAINS-AND-LOSSES)

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

Calculated Mean Retention Factor Value

mean RF value Min Max SD n
0.31 0.31 0.31 0.00 1

Original Retention Factor Values used to Produce Mean

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

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.31 Onion - Raw Onion - Blanched with steam 0.96 0.35 mg/100 g fresh weight