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

mean RF value min max SD n # of references
 
Phenolic acids - Hydroxycinnamic acids - Ferulic acid
Cereals and cereal products
Cereals Maize, whole grain 0.82 0.6 1.05 0.23 2 1
Maize [White] 0.51 0.51 0.51 0 1 1
Maize [Blue] 0.67 0.67 0.67 0 1 1
Maize [Red] 0.59 0.59 0.59 0 1 1
Vegetables
Cabbages Broccoli, raw 0.24 0.24 0.24 0 1 1