Potential of anthocyanin as an anti-inflammatory agent: a human clinical trial on type 2 diabetic, diabetic at-risk and healthy adults

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Nikbakht, Elham
Singh, Indu
Vider, Jelena
Williams, Lauren T
Vugic, Lada
Gaiz, Almottesembellah
Kundur, Avinash Reddy
Colson, Natalie
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2021
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Abstract

Objective: The present research aimed to investigate the anti-inflammatory potential of dietary anthocyanin (ACN) in type 2 diabetic (T2D), T2D-at-risk and healthy individuals. Furthermore, dietary inflammatory index (DII) was used to study the association of diet with biomarkers of inflammation. Research methods: An open-label clinical trial was conducted at Griffith University investigating the efficacy of 320 mg ACN supplementation per day over the course of 4 weeks. Diabetes-associated inflammatory biomarkers and relevant biochemical and physical parameters were tested pre-and post-intervention, and participants' dietary inflammatory potential was estimated. Results: A significant reduction in the pro-inflammatory biomarkers' interleukin-6, interleukin-18, and tumour necrosis factor-α was observed in the T2D group. In addition, some, but not all, biochemical parameters including fasting blood glucose, low-density lipoprotein cholesterol and uric acid were significantly improved in T2D-at-risk group. Moreover, a significant difference was detected between the DII scores of the healthy and T2D groups. DII score for the T2D group was consistent with an anti-inflammatory diet. Conclusion: Anti-inflammatory potential of dietary ACN in T2D participants was evidenced in the present study. Although, anti-inflammatory dietary patterns of T2D participants may have accelerated the anti-inflammatory effect of the ACN capsules supplemented in this trial.

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Inflammation Research

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70

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3

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Clinical sciences

Anthocyanin

Dietary inflammatory index

Dietary pattern

Pro-inflammatory biomarkers

Type 2 diabetes

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Nikbakht, E; Singh, I; Vider, J; Williams, LT; Vugic, L; Gaiz, A; Kundur, AR; Colson, N, Potential of anthocyanin as an anti-inflammatory agent: a human clinical trial on type 2 diabetic, diabetic at-risk and healthy adults., Inflammation Research, 2021, 70 (3), pp. 275-284

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