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 - Black raspberry, raw / Black raspberry, raw, frozen, stored frozen
Polyphenols, total
Polyphenols, total Polyphenols, total 0.45 0.45 0.45 0 1 1