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Abstract Title:

A Double-Blind, Cross-Over Study to Examine the Effects of Maritime Pine Extract on Exercise Performance and Postexercise Inflammation, Oxidative Stress, Muscle Soreness, and Damage.

Abstract Source:

J Diet Suppl. 2019 Mar 19:1-12. Epub 2019 Mar 19. PMID: 30887868

Abstract Author(s):

Randy L Aldret, David Bellar

Article Affiliation:

Randy L Aldret

Abstract:

The purpose of the present study was to examine whether 14 days of supplementation with maritime pine extract leading up to and following an exercise test would increase performance and reduce biomarkers associated with muscle damage, inflammation, and oxidative stress. The study used a double-blind, placebo-controlled, cross-over design. Twenty apparently healthy young male participants ingested either 800 mg pine bark extract or placebo for 14 days prior to the first exercise trial and for 2 days postexercise. On the exercise day, participants submitted a pre-exercise blood sample then completed a VOpeak test until volitional failure. A postexercise blood sample was collected 1 hour after completion of exercise. Participants returned at 24 and 48 hours after the exercise testing for measures of muscle pain in the lower body using an algometer. Participants then had a 7-day washout period before beginning to cross over to the alternate treatment. Analysis via ordinal regression demonstrated a significant difference in oxidative stress in the maritime pine extract group compared to placebo (ChiSq = 2.63; p = 0.045). Maritime pine extract was effective at affording protection from oxidative stress postexercise. Further work should be undertaken to evaluate thefindings with other exercise modes or in participants with known metabolic syndrome.

Study Type : Human Study

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Sayer Ji
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