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. 2016 Jul 13;104(2):334–345. doi: 10.3945/ajcn.116.135293

FIGURE 6.

FIGURE 6

Fasting concentrations of Phe (A) and Tyr (B) in blood were based on analysis of dried blood spots collected by subjects and analyzed with tandem mass spectrometry. (C) Daily intake of protein equivalents from medical food was based on daily medical food logs completed by subjects. Repeated-measures ANOVA indicated there was no significant treatment effect due to ingestion of AA and GMP medical foods on blood concentrations of Phe and Tyr and daily intake of protein equivalents from medical food over the 3-wk treatment period (P = 0.175–0.9522). Values are means ± SEs, n = 26–30 for each of the 8 time points for blood Phe and Tyr concentrations. The insert shows the average blood concentrations of Phe and Tyr and average daily intake of protein from medical foods across time (least-squares means ± SEs). AA, amino acid; GMP, glycomacropeptide.