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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Delphinidin 3-O-rutinoside
Fruits and fruit products
Fruits - Berries Blackcurrant, raw 0.91 0.67 1.05 0.13 5 1