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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Delphinidin 3,5-O-diglucoside
Non-alcoholic beverages
Fruit juices - Tropical fruit juices Pomegranate, pure juice 1.14 0.67 1.73 0.42 4 1