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], baked
Flavonoids
Flavonols Quercetin 4'-O-glucoside 0.98 0.98 0.98 0 1 1
Quercetin 3,4'-O-diglucoside 0.8 0.8 0.8 0 1 1