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
Gourds Zucchini, raw 0.17 0.17 0.17 0 1 1
Root vegetables Carrot, raw 0.89 0.89 0.89 0 1 1