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

mean RF value min max SD n # of references
 
Flavonoids - Flavanols - (-)-Epicatechin
Fruits and fruit products
Fruits - Drupes Sweet cherry, raw 1.06 0.49 2.29 0.52 15 1
Fruits - Pomes Apple, whole, raw 0.83 0.56 1.21 0.25 6 1