The aim of this study is to investigate Lepidium meyenii (Maca) extract supplementation on exercise-induced responses of the biochemical, and physiological parameters.
Thirty healthy male participants were divided into Maca group (2.25 g of Maca extract, twice per day for 12 weeks) and placebo group (n = 15). All participants conducted a graded exercise test on treadmill to determine the maximal oxygen consumption (VO2max) before and after supplementation, and the speed equivalent to 70% VO2max was conducted for an exhaustive endurance exercise test by treadmill for 1 hours, followed by 90% VO2max until exhaustion.The time to exhaustion, peak oxygen consumption, maximal heart rate and average heart rate will be recorded during the exercise period. Venous blood samples will be drawn before, immediately after, 2-hour after, 4-hour after, and 24-hour after the exhaustive endurance exercise test. Data was analyzed by Two-way mixed design ANOVA.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
50
Taipei Medical University
Taipei, Taiwan
Concentration of leukocyte
Time frame: before exercise
Concentration of leukocyte
Time frame: immediately after exercise
Concentration of leukocyte
Time frame: 2-hour after exercise
Concentration of leukocyte
Time frame: 4-hour after exercise
Concentration of leukocyte
Time frame: 24-hour after exercise
Concentration of neutrophil
Time frame: before exercise
Concentration of neutrophil
Time frame: immediately after exercise
Concentration of neutrophil
Time frame: 2-hour after exercise
Concentration of neutrophil
Time frame: 4-hour after exercise
Concentration of neutrophil
Time frame: 24-hour after exercise
Concentration of lymphocyte
Time frame: beore exercise
Concentration of lymphocyte
Time frame: immediately after exercise
Concentration of lymphocyte
Time frame: 2-hour after exercise
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Concentration of lymphocyte
Time frame: 4-hour after exercise
Concentration of lymphocyte
Time frame: 24-hour after exercise
Concentration of GSH
Time frame: before exercise
Concentration of GSH
Time frame: immediately after exercise
Concentration of GSH
Time frame: 2-hour after exercise
Concentration of GSH
Time frame: 4-hour after exercise
Concentration of GSH
Time frame: 24-hour after exercise
Concentration of CD4+
Time frame: before exercise
Concentration of CD4+
Time frame: immediately after exercise
Concentration of CD4+
Time frame: 2-hour after exercise
Concentration of CD4+
Time frame: 4-hour after exercise
Concentration of CD4+
Time frame: 24-hour after exercise
Concentration of CD8+
Time frame: before exercise
Concentration of CD8+
Time frame: immediately after exercise
Concentration of CD8+
Time frame: 2-hour after exercise
Concentration of CD8+
Time frame: 4-hour after exercise
Concentration of CD8+
Time frame: 24-hour after exercise
Concentration of CD19+
Time frame: before exercise
Concentration of CD19+
Time frame: immediately after exercise
Concentration of CD19+
Time frame: 2-hour after exercise
Concentration of CD19+
Time frame: 4-hour after exercise
Concentration of CD19+
Time frame: 24-hour after exercise
Concentration of CD56+
Time frame: before after exercise
Concentration of CD56+
Time frame: immediately after exercise
Concentration of CD56+
Time frame: 2-hour after exercise
Concentration of CD56+
Time frame: 4-hour after exercise
Concentration of CD56+
Time frame: 24-hour after exercise
IConcentration of GSSG
Time frame: before exercise
Concentration of GSSG
Time frame: immediately after exercise
Concentration of GSSG
Time frame: 2-hour after exercise
Concentration of GSSG
Time frame: 4-hour after exercise
Concentration of GSSG
Time frame: 24-hour after exercise
Concentration of CK-MB
Time frame: before exercise
Concentration of CK-MB
Time frame: 2-hour after exercise
Concentration of CK-MB
Time frame: 4-hour after exercise
Concentration of CK-MB
Time frame: 24-hour after exercise
Concentration of CK-MB
Time frame: immediately after exercise
Concentration of TNF-α
Time frame: before exercise
Concentration of TNF-α
Time frame: immediately after exercise
Concentration of TNF-α
Time frame: 2-hour after exercise
Concentration of TNF-α
Time frame: 4-hour after exercise
Concentration of TNF-α
Time frame: 24-hour after exercise
Concentration of IL-1β
Time frame: before exercise
Concentration of IL-1β
Time frame: immediately after exercise
Concentration of IL-1β
Time frame: 2-hour after exercise
Concentration of IL-1β
Time frame: 4-hour after exercise
Concentration of IL-1β
Time frame: 24-hour after exercise
Concentration of IFN-γ
Time frame: before exercise
Concentration of IFN-γ
Time frame: immediately after exercise
Concentration of IFN-γ
Time frame: 2-hour after exercise
Concentration of IFN-γ
Time frame: 4-hour after exercise
Concentration of IFN-γ
Time frame: 24-hour after exercise
Concentration of IL-2
Time frame: before exercise
Concentration of IL-2
Time frame: immediately after exercise
Concentration of IL-2
Time frame: 2-hour after exercise
Concentration of IL-2
Time frame: 4-hour after exercise
Concentration of IL-2
Time frame: 24-hour after exercise
Concentration of IL-4
Time frame: before exercise
Concentration of IL-4
Time frame: immediately after exercise
Concentration of IL-4
Time frame: 2-hour after exercise
Concentration of IL-4
Time frame: 4-hour after exercise
Concentration of IL-4
Time frame: 24-hour after exercise
Concentration of IL-8
Time frame: before exercise
Concentration of IL-8
Time frame: immediately after exercise
Concentration of IL-8
Time frame: 2-hour after exercise
Concentration of IL-8
Time frame: 4-hour after exercise
Concentration of IL-8
Time frame: 24-hour after exercise
Concentration of IL-10
Time frame: before exercise
Concentration of IL-10
Time frame: immediately after exercise
Concentration of IL-10
Time frame: 2-hour after exercise
Concentration of IL-10
Time frame: 4-hour after exercise
Concentration of IL-10
Time frame: 24-hour after exercise
Concentration of TBARS
Time frame: before exercise
Concentration of TBARS
Time frame: immediately after exercise
Concentration of TBARS
Time frame: 2-hour after exercise
Concentration of TBARS
Time frame: 4-hour after exercise
Concentration of TBARS
Time frame: 24-hour after exercise
Concentration of PC
Time frame: before exercise
Concentration of PC
Time frame: immediately after exercise
Concentration of PC
Time frame: 2-hour after exercise
Concentration of PC
Time frame: 4-hour after exercise
Concentration of PC
Time frame: 24-hour after exercise
Concentration of SOD
Time frame: before exercise
Concentration of SOD
Time frame: immediately after exercise
Concentration of SOD
Time frame: 2-hour after exercise
Concentration of SOD
Time frame: 4-hour after exercise
Concentration of SOD
Time frame: 24-hour after exercise
Concentration of catalase
Time frame: before exercise
Concentration of catalase
Time frame: immediately after exercise
Concentration of catalase
Time frame: 2-hour after exercise
Concentration of catalase
Time frame: 4-hour after exercise
Concentration of catalase
Time frame: 24-hour after exercise
Concentration of GPx
Time frame: before exercise
Concentration of GPx
Time frame: immediately after exercise
Concentration of GPx
Time frame: 2-hour after exercise
Concentration of GPx
Time frame: 4-hour after exercise
Concentration of GPx
Time frame: 24-hour after exercise
Concentration of CK
Time frame: before exercise
Concentration of CK
Time frame: immediately after exercise
Concentration of CK
Time frame: 2-hour after exercise
Concentration of CK
Time frame: 4-hour after exercise
Concentration of CK
Time frame: 24-hour after exercise
Concentration of LDH
Time frame: before exercise
Concentration of LDH
Time frame: immediately after exercise
Concentration of LDH
Time frame: 2-hour after exercise
Concentration of LDH
Time frame: 4-hour after exercise
Concentration of LDH
Time frame: 24-hour after exercise
Concentration of IL-6
Time frame: before exercise
Concentration of IL-6
Time frame: immediately after exercise
Concentration of IL-6
Time frame: 2-hour after exercise
Concentration of IL-6
Time frame: 4-hour after exercise
Concentration of IL-6
Time frame: 24-hour after exercise
Concentration of cTnI
Time frame: before exercise
Concentration of cTnI
Time frame: immediately after exercise
Concentration of cTnI
Time frame: 2-hour after exercise
Concentration of cTnI
Time frame: 4-hour after exercise
Concentration of cTnI
Time frame: 24-hour after exercise
Concentration of NT proBNP
Time frame: before exercise
Concentration of NT proBNP
Time frame: immediately after exercise
Concentration of NT proBNP
Time frame: 2-hour after exercise
Concentration of NT proBNP
Time frame: 4-hour after exercise
Concentration of NT proBNP
Time frame: 24-hour after exercise
Concentration of testosterone
Time frame: before exercise
Concentration of testosterone
Time frame: immediately after exercise
Concentration of testosterone
Time frame: 2-hour after exercise
Concentration of testosterone
Time frame: 4-hour after exercise
Concentration of testosterone
Time frame: 24-hour after exercise
Concentration of LH
Time frame: before exercise
Concentration of LH
Time frame: immediately after exercise
Concentration of LH
Time frame: 2-hour after exercise
Concentration of LH
Time frame: 4-hour after exercise
Concentration of LH
Time frame: 24-hour after exercise
Concentration of FSH
Time frame: before exercise
Concentration of FSH
Time frame: immediately after exercise
Concentration of FSH
Time frame: 2-hour after exercise
Concentration of FSH
Time frame: 4-hour after exercise
Concentration of FSH
Time frame: 24-hour after exercise
Concentration of NO
Time frame: before exercise
Concentration of NO
Time frame: immediately after exercise
Concentration of NO
Time frame: 2-hour after exercise
Concentration of NO
Time frame: 4-hour after exercise
Concentration of NO
Time frame: 24-hour after exercise
Concentration of GOT
Time frame: before exercise
Concentration of GOT
Time frame: immediately after exercise
Concentration of GOT
Time frame: 2-hour after exercise
Concentration of GOT
Time frame: 4-hour after exercise
Concentration of GOT
Time frame: 24-hour after exercise
Concentration of GPT
Time frame: before exercise
Concentration of GPT
Time frame: immediately after exercise
Concentration of GPT
Time frame: 2-hour after exercise
Concentration of GPT
Time frame: 4-hour after exercise
Concentration of GPT
Time frame: 24-hour after exercise
Concentration of BUN
Time frame: before exercise
Concentration of BUN
Time frame: immediately after exercise
Concentration of BUN
Time frame: 2-hour after exercise
Concentration of BUN
Time frame: 4-hour after exercise
Concentration of BUN
Time frame: 24-hour after exercise
Concentration of creatinine
Time frame: before exercise
Concentration of creatinine
Time frame: immediately after exercise
Concentration of creatinine
Time frame: 2-hour after exercise
Concentration of creatinine
Time frame: 4-hour after exercise
Concentration of creatinine
Time frame: 24-hour after exercise