Figure 2From: Differences in pharmacokinetics of apple polyphenols after standardized oral consumption of unprocessed apple juicePhenolic content determination in urine samples determined by Folin Ciocalteu (FC) normalized to the overnight fast sample. Marked differences in metabolism rates between individual subjects could be observed. Using their respective maxima in TPC values study subjects could be grouped into 5 distinct groups. Values are means ± SD (n = 35).Back to article page