Diabetes Research and Clinical Practice
Volume 71, Issue 3 , Pages 356-358, March 2006

Effects of green tea consumption on inflammation, insulin resistance and pulse wave velocity in type 2 diabetes patients

  • O.H. Ryu

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • J. Lee

      Affiliations

    • Department of Preventive Medicine, Korea University, Seoul, South Korea
    • ,
  • K.W. Lee

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • H.Y. Kim

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • J.A. Seo

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • S.G. Kim

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • N.H. Kim

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • S.H. Baik

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • D.S. Choi

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • ,
  • K.M. Choi

      Affiliations

    • Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, South Korea
    • Corresponding Author InformationCorresponding author. Tel.: +82 2 818 6646; fax: +82 2 859 5604.

Received 8 August 2005; accepted 13 August 2005. published online 19 September 2005.

Abstract 

In this study, we examined the effects of green tea on inflammation and arterial stiffness in type 2 diabetes patients. As results, inflammatory markers, such as hsCRP and IL-6, were unchanged after green tea consumption, and neither were blood glucose, lipid profiles, insulin resistance, or serum adiponectin levels. Furthermore, tea consumption did not improve baPWV. These results suggest that the above-described mechanisms are unlikely to explain the cardiovascular risk reduction by tea consumption observed in epidemiological studies.

Abbreviations: hsCRP, high-sensitive C-reactive protein, IL-6, interleukin-6, TNF-α, tumor necrosis factor-α, baPWV, brachial-ankle pulse wave velocity, ABI, ankle-brachial pressure index, NO, nitric oxide, HOMA, homeostasis model assessment

Keywords: Tea, Type 2 diabetes, Insulin resistance, Inflammation, Pulse wave velocity

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PII: S0168-8227(05)00306-2

doi:10.1016/j.diabres.2005.08.001

Diabetes Research and Clinical Practice
Volume 71, Issue 3 , Pages 356-358, March 2006

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