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 - Pome juices Apple [Dessert], pure juice 1.66 1 2.62 0.69 4 1
mean RF value min max SD n # of references
 
Flavonoids - Flavonols - Kaempferol
Vegetables
Cabbages Kale, blanched, canned 0.92 0.89 0.94 0.025 2 1
Fruit vegetables Tomato, paste, pasteurized 0.84 0.6 0.98 0.16 6 1