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

mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Anthocyanins, total
Vegetables
Cabbages Common cabbage [Red], raw 0.52 0.39 0.72 0.13 4 1
Fruit vegetables Eggplant [Purple], peeled, raw 1 1 1 0 1 1
mean RF value min max SD n # of references
 
Flavonoids - Anthocyanins - Anthocyanins, total
Fruits and fruit products
Fruits - Stalk vegetables Rhubarb, raw 1.36 1.06 1.95 0.35 4 1
Vegetables
Cabbages Common cabbage [Red], raw 0.19 0.19 0.19 0 1 1