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

mean RF value min max SD n # of references
 
Polyphenols, total - Polyphenols, total - Polyphenols, total
Vegetables
Cabbages Common cabbage [Unknown colour], raw 0.46 0.46 0.46 0 1 1
Fruit vegetables Tomato, whole, raw 0.91 0.85 0.95 0.042 3 2
Leaf vegetables Spinach, raw 0.58 0.55 0.61 0.03 2 2
Pulse vegetables Fresh pea, raw 0.81 0.81 0.81 0 1 1
Root vegetables Turnip yellow, raw 0.36 0.36 0.36 0 1 1
Turnip white, raw 0.73 0.73 0.73 0 1 1
Carrot, raw 1.39 0.89 1.89 0.5 2 2
Tubers Potato, peeled, raw 0.64 0.64 0.64 0 1 1