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

mean RF value min max SD n # of references
 
Vegetables - Cabbages - Kale, raw / Kale, boiled
Flavonoids
Flavonols Quercetin 0.26 0.26 0.26 0 1 1
Kaempferol 0.24 0.24 0.24 0 1 1
Phenolic acids
Hydroxycinnamic acids Sinapic acid 0.25 0.25 0.25 0 1 1
p-Coumaric acid 0.14 0.14 0.14 0 1 1
Caffeic acid 0.28 0.28 0.28 0 1 1
Ferulic acid 0.19 0.19 0.19 0 1 1
mean RF value min max SD n # of references
 
Vegetables - Cabbages - Kale, raw / Kale, boiled
Polyphenols, total
Polyphenols, total Polyphenols, total 0.21 0.21 0.21 0 1 1