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

mean RF value min max SD n # of references
 
Vegetables - Onion-family vegetables - Onion [Unknown color], raw / Onion [Unknown color], microwaved
Flavonoids
Flavonols Kaempferol 0.28 0.28 0.28 0 1 1
Quercetin 0.54 0.54 0.54 0 1 1