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Int J Prev Med. 2018 Oct 12;9:86. doi: 10.4103/ijpvm.IJPVM_339_17. eCollection 2018.

Dark Chocolate Effect on Serum Adiponectin, Biochemical and Inflammatory Parameters in Diabetic Patients: A Randomized Clinical Trial.

Author information

1
Nutrition and Metabolic Disease Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
2
Department of Nutrition, School of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
3
Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
4
Department of Biostatistics, School of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
5
Health Research Institute, Diabetes Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Abstract

Background:

An appropriate snack for patients with diabetes mellitus should be considered to help them in their treatment due to their hard administrative diet. This study was conducted to evaluate the effect of dark chocolate on inflammatory markers, serum adiponectin, and certain biochemical factors in patients with type 2 diabetes (T2D).

Methods:

This study was a randomized parallel clinical trial. Thirty grams of 84% dark chocolate, along with therapeutic lifestyle changes (TLCs) guidelines, were administrated to patients with T2D. Control group received only TLC guidelines. The intervention period was 8 weeks. Twenty-one subjects in dark chocolate and 23 subjects in control group completed the study. Fasting blood samples were collected before and after the intervention period and inflammatory markers, biochemical factors, and adiponectin levels were assessed.

Results:

Fasting blood sugar, hemoglobin A1C, low-density lipoprotein and triglyceride levels declined significantly in the dark chocolate group and this decrease was significant between the intervention and control groups. Tumor necrosis factor-alpha, interleukin-6, and high sensitive C-reactive protein were significantly decreased in the dark chocolate group. Adiponectin levels were not significantly different between the two groups.

Conclusions:

In this study subjects who received dark chocolate along with TLC guidelines had lower levels of inflammatory markers such as hs-CRP, TNF-α, and IL-6, compared with the subjects who were devoid of dark chocolate and followed only the TLC guidelines. Other studies should be conducted to evaluate the most effective and administrative dosage of dark chocolate as a snack along with the common treatment of diabetes.

KEYWORDS:

Adiponectin; chocolate; diabetes mellitus type 2; inflammation mediators

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