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

mean RF value min max SD n # of references
 
Flavonoids - Isoflavonoids - Glycitin
Seeds
Soy and soy products Soy, burger, raw 2.78 2.29 3.3 0.41 3 1
Soy, tofu 2.64 0.12 4.12 1.34 5 2