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Strawberry anthocyanin and its association with postprandial inflammation and insulin

  • Indika Edirisinghe (a1), Katarzyna Banaszewski (a1), Jack Cappozzo (a1), Krishnankutty Sandhya (a1), Collin L. Ellis (a2) (a3), Ravi Tadapaneni (a1), Chulani T. Kappagoda (a3) and Britt M. Burton-Freeman (a1) (a2)...
Abstract

The present study investigates the effect of strawberry antioxidants in beverage form on meal-induced postprandial inflammatory and insulin responses in human subjects. Overweight adults (n 24) consumed a high-carbohydrate, moderate-fat meal (HCFM) accompanied by either a strawberry or a placebo beverage in a cross-over design. Postprandial changes in plasma anthocyanins, their metabolites, insulin, glucose and inflammatory markers were assessed for 6 h. The postprandial concentrations of pelargonidin sulfate and pelargonidin-3-O-glucoside were significantly increased when the strawberry beverage was consumed concurrently with the HCFM compared with the placebo beverage (P < 0·001). The strawberry beverage significantly attenuated the postprandial inflammatory response as measured by high-sensitivity C-reactive protein and IL-6 (P < 0·05) induced by the HCFM. It was also associated with a reduction in postprandial insulin response (P < 0·05). Collectively, these data provide evidence for favourable effects of strawberry antioxidants on postprandial inflammation and insulin sensitivity.

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Corresponding author
*Corresponding author: B. M. Burton-Freeman, fax +1 708 563 1873, email bburton@iit.edu
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British Journal of Nutrition
  • ISSN: 0007-1145
  • EISSN: 1475-2662
  • URL: /core/journals/british-journal-of-nutrition
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