Yield factor value: 0.8 (Potato, with peel, boiled FR/Oz/M.s, edible part, BOGNAR 2002_EUROFIR)

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

Calculated Mean Retention Factor Value

mean RF value Min Max SD n
1.05 0.69 1.29 0.26 3

Original Retention Factor Values used to Produce Mean

Mattila P., Hellstrom J. (2007) Phenolic acids in potatoes , vegetables , and some of their products. Journal of Food Composition and Analysis 20:152-160 PubMed (23790036)

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
1.17 Potato raw peel Potato boiled with peel 0.45 0.66 mg/100 g fresh weight
0.69 Potato raw peel Potato boiled with peel 3.0 2.6 mg/100 g fresh weight
1.29 Potato raw peel Potato boiled with peel 0.62 1.0 mg/100 g fresh weight