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

mean RF value min max SD n # of references
 
Flavonoids - Flavanols - (+)-Catechin
Fruits and fruit products
Fruits - Berries Strawberry, raw 0.92 0.89 0.95 0.024 3 1
Fruits - Drupes Apricot, raw 0.28 0.24 0.33 0.045 2 1