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

mean RF value min max SD n # of references
 
Phenolic acids - Hydroxycinnamic acids - p-Coumaric acid
Vegetables
Cabbages Cauliflower, raw 1.02 1.02 1.02 0 1 1
Gourds Zucchini, raw 0.73 0.73 0.73 0 1 1
Root vegetables Carrot, raw 2.77 1.05 4.49 1.72 2 2