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, puree 0.69 0.48 0.93 0.14 6 1
Fruits - Drupes Sweet cherry, raw 1.03 0.58 1.86 0.36 15 1
Fruits - Pomes Apple, whole, raw 0.99 0.66 1.65 0.36 6 1