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

mean RF value min max SD n # of references
 
Flavonoids - Flavonols - Patuletin 3-O-glucosyl-(1->6)-[apiosyl(1->2)]-glucoside
Vegetables
Leaf vegetables Spinach, raw 0.73 0.36 0.98 0.18 21 1