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Antioxidant effects of a cinnamon extract in people with impaired fasting glucose that are overweight or obese.

Abstract : OBJECTIVE: To determine the effects of a dried aqueous extract of cinnamon on antioxidant status of people with impaired fasting glucose that are overweight or obese. METHODS: Twenty-two subjects, with impaired fasting blood glucose with BMI ranging from 25 to 45, were enrolled in a double-blind placebo-controlled trial. Subjects were given capsules containing either a placebo or 250 mg of an aqueous extract of cinnamon (Cinnulin PF) two times per day for 12 weeks. Plasma malondialdehyde (MDA) concentrations were assessed using high performance liquid chromatography and plasma antioxidant status was evaluated using ferric reducing antioxidant power (FRAP) assay. Erythrocyte Cu-Zn superoxide (Cu-Zn SOD) activity was measured after hemoglobin precipitation by monitoring the auto-oxidation of pyrogallol and erythrocyte glutathione peroxidase (GPx) activity by established methods. RESULTS: FRAP and plasma thiol (SH) groups increased, while plasma MDA levels decreased in subjects receiving the cinnamon extract. Effects were larger after 12 than 6 weeks. There was also a positive correlation (r = 0.74; p = 0.014) between MDA and plasma glucose. CONCLUSION: This study supports the hypothesis that the inclusion of water soluble cinnamon compounds in the diet could reduce risk factors associated with diabetes and cardiovascular disease.
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https://www.hal.inserm.fr/inserm-00422519
Contributor : Sarah Hamant <>
Submitted on : Wednesday, October 7, 2009 - 2:08:58 PM
Last modification on : Wednesday, July 15, 2020 - 9:10:03 AM

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  • HAL Id : inserm-00422519, version 1
  • PUBMED : 19571155

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Anne-Marie Roussel, Isabelle Hininger, Rachida Benaraba, Tim Ziegenfuss, Richard Anderson. Antioxidant effects of a cinnamon extract in people with impaired fasting glucose that are overweight or obese.. Journal of the American College of Nutrition, Taylor & Francis (Routledge): STM, Behavioural Science and Public Health Titles, 2009, 28 (1), pp.16-21. ⟨inserm-00422519⟩

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