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

mean RF value min max SD n # of references
 
Vegetables - Root vegetables - Swede, blanched / Swede, blanched, frozen, stored frozen
Polyphenols, total
Polyphenols, total Polyphenols, total 0.69 0.65 0.74 0.045 2 1