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

mean RF value min max SD n # of references
 
Fruits and fruit products - Fruits - Berries - Strawberry, raw / Strawberry, frozen, stored frozen
Phenolic acids
Hydroxybenzoic acids Ellagic acid 0.77 0.61 0.95 0.14 3 1