Showing retention factors for Quercetin in Onion [Unknown color], raw with the process fried Food Processing
Yield factor value: 0.62 (Onions, sliced, fried, KoV,SE, 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 |
|---|---|---|---|---|
| 0.41 | 0.37 | 0.46 | 0.04 | 2 |
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 |
|---|---|---|---|---|---|
| 0.37 | Onion - Raw | Onion - Pan-fried rapeseed oil 5 min | 41.0 | 25.0 | mg/100 g fresh weight |
| 0.46 | Onion - Raw | Onion - Pan-fried butter 5 min | 41.0 | 31.0 | mg/100 g fresh weight |