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

mean RF value min max SD n # of references
 
Flavonoids - Flavanols - Procyanidin dimer B1 3-O-gallate
Non-alcoholic beverages
Fruit juices - Berry juices Grape [Unknown color], juice 7.07 1.09 16 6.1 4 1