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Table 3 Blood lactate, FENO, and salivary biomarker results before and after the 30-minute time trial

From: Blueberry supplementation reduces the blood lactate response to running in normobaric hypoxia but has no effect on performance in recreational runners

Variable

PLA

BLU

Exhaled Nitric Oxide (ppb)

 Pre-exercise

18.5 ± 8.2

18.7 ± 6.1

 Post-exercise

17.2 ± 6.4

17.2 ± 4.2

Blood Lactate (mmoll− 1)

 Pre-TT

1.5 ± 0.4

1.5 ± 0.4

 5-minute post-TT

8.9 ± 2.7

7.2 ± 1.9*

Blood Lactate Recovery (% of 5-min post-TT)

 Recovery at 15 min post-TT

57.5 ± 16.7

56.7 ± 9.8

 Recovery at 30 min post-TT

37.2 ± 12.1

32.5 ± 5.1

Salivary Cortisol (µg/dL)

 Pre-TT

0.23 ± 0.11

0.16 ± 0.06

 Post-TT

0.53 ± 0.34

0.52 ± 0.27

Salivary Uric Acid (mg/dL)

 Pre-TT

3.11 ± 0.81

2.72 ± 0.89

 Post-TT

3.04 ± 1.26

2.83 ± 0.93

Salivary IL-6 (pg/mL)

 Pre-TT

8.9 ± 6.4

7.4 ± 4.2

 Post-TT

23.2 ± 9.2

24.3 ± 19.8

Salivary CRP (pg/dL)

 Pre-TT

6162 ± 5547

6504 ± 8389

 Post-TT

14,796 ± 20,641

10,771 ± 13,987

  1. * = Significantly different than PLA at same time point (p = 0.02)