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. 2014 Jul 18;307(6):H840–H847. doi: 10.1152/ajpheart.00312.2014

Fig. 1.

Fig. 1.

Effect of acute ascorbic acid (AA) infusion on mean response time (MRT). A: change in forearm vascular conductance (FVC) averaged in 3-s bins during 5 min of dynamic forearm exercise. Data from a representative healthy control before AA infusion (Trial 1). B: Lean (n = 13), Obese (n = 10), metabolic syndrome (MetSyn) (n = 9). MRT was not different between groups (main effect of group: P = 0.26). MRT was not altered when AA was infused (Trial 2), compared with exercise alone (Trial 1) (main effect of AA: P = 0.50). C: change in MRT with AA infusion (Δ) was not different between groups (interaction between group and AA: P = 0.90) although individual responses were variable (a negative value indicates MRT decreased with AA infusion).