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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Cyanidin 3-O-sophoroside
Fruits and fruit products
Fruits - Berries Raspberry [Unknown species], raw, frozen 0.89 0.61 1.23 0.16 16 1