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

mean RF value min max SD n # of references
 
Flavonoids - Flavonols - Kaempferol
Vegetables
Cabbages Broccoli, raw 0.17 0.17 0.17 0 1 1
Cauliflower, raw 0.91 0.91 0.91 0 1 1
Kale, raw 0.24 0.24 0.24 0 1 1
Onion-family vegetables Onion [Unknown color], raw 0.26 0.23 0.28 0.022 3 1
Root vegetables Carrot, raw 1.03 1.03 1.03 0 1 1