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

mean RF value min max SD n # of references
 
Flavonoids - Isoflavonoids - Glycitein
Seeds
Soy and soy products Soy, tofu 2.95 2.4 4.12 0.6 5 2
Soy, burger, raw 2.75 2.75 2.75 0 3 1