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

mean RF value min max SD n # of references
 
Polyphenols, total - Polyphenols, total - Polyphenols, total
Fruits and fruit products
Fruits - Berries Blackcurrant, raw 0.72 0.62 0.83 0.1 2 2
Raspberry [Unknown species], raw 0.82 0.82 0.82 0 1 1
Cranberry [Unknown species], raw 0.88 0.88 0.88 0 1 1
Blueberry [Unknown species] 0.77 0.77 0.77 0 1 1
Strawberry, raw 0.76 0.76 0.76 0 1 1
Blackberry, raw 0.8 0.8 0.8 0 1 1
Redcurrant, raw 0.82 0.82 0.82 0 1 1
Black raspberry, raw 0.16 0.16 0.16 0 1 1
Chinese bayberry 0.72 0.72 0.72 0 1 1
Lingonberry, raw 0.92 0.92 0.92 0 1 1
Bilberry, raw 0.42 0.42 0.42 0 1 1
Red raspberry, raw 0.55 0.55 0.55 0 1 1
Fruits - Drupes Sour cherry 0.45 0.42 0.5 0.034 3 1
Plum, fresh 0.4 0.34 0.45 0.055 2 1