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

mean RF value min max SD n # of references
 
Cereals and cereal products - Cereals - Maize [Purple] / Maize [Purple], tortilla
Polyphenols, total
Polyphenols, total Polyphenols, total 0.28 0.28 0.28 0 1 1