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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Anthocyanins, total
Fruits and fruit products
Fruits - Stalk vegetables Rhubarb, raw 0.67 0.61 0.71 0.038 4 1
Vegetables
Cabbages Cauliflower, raw 0.22 0.09 0.35 0.11 3 1