Acute reduction of serum 8-iso-PGF2-alpha and advanced oxidation protein products in vivo by a polyphenol-rich beverage; a pilot clinical study with phytochemical and in vitro antioxidant characterization
2011

Effects of a Polyphenol-Rich Beverage on Blood Biomarkers

Sample size: 31 publication 10 minutes Evidence: moderate

Author Information

Author(s): Boris V Nemzer, Liliana C Rodriguez, Linda Hammond, Robert DiSilvestro, John M Hunter, Zbigniew Pietrzkowski

Primary Institution: FutureCeuticals, Inc.

Hypothesis

Does the acute intake of a polyphenol-rich beverage affect serum biomarkers related to oxidation and inflammation?

Conclusion

The polyphenol-rich beverage significantly reduced certain blood biomarkers related to oxidative stress and inflammation.

Supporting Evidence

  • A single dose of the beverage reduced serum 8-iso-PGF2-alpha levels by 40%.
  • The beverage also decreased advanced oxidation protein products by 39%.
  • Both treatment groups showed significant increases in hydroxyl radical antioxidant capacity.

Takeaway

Drinking a special fruit and vegetable drink can help lower some bad stuff in your blood that makes you sick.

Methodology

A double-blinded, placebo-controlled pilot study with 31 healthy subjects who consumed a polyphenol-rich beverage and had their blood analyzed for various biomarkers.

Potential Biases

Potential bias due to the small sample size and the exploratory nature of the study.

Limitations

The study was small and exploratory, focusing on a specific subgroup of participants with elevated biomarkers.

Participant Demographics

Healthy males and females aged 45-55 with a BMI of 25-36.

Statistical Information

P-Value

p ≤ 0.001 for 8-iso-PGF2-alpha reduction

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2891-10-67

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