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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Petunidin 3-O-rutinoside
Fruits and fruit products
Fruits - Berries Blackcurrant, raw 0.88 0.55 1.15 0.19 5 1