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 - Barley, raw, hulled / Barley, raw, hulled, extruded
Polyphenols, total
Polyphenols, total Polyphenols, total 0.55 0.43 0.76 0.088 32 1