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

mean RF value min max SD n # of references
 
Flavonoids - Flavonols - Kaempferol
Non-alcoholic beverages
Fruit juices - Berry juices Strawberry, pure juice 1.03 1.01 1.05 0.02 2 1
Vegetables
Fruit vegetables Tomato, whole, raw 4.48 4.48 4.48 0 1 1