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Nutrition. 2016 Jan;32(1):66-72. doi: 10.1016/j.nut.2015.07.011. Epub 2015 Aug 14.

Chamomile tea improves glycemic indices and antioxidants status in patients with type 2 diabetes mellitus.

Author information

1
Students' Research Committee, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran.
2
Nutrition Research Center, Department of Community Nutrition, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran. Electronic address: rafrafm@tbzmed.ac.ir.
3
Tabriz Health Service Management Research Center, Department of Statistics and Epidemiology, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran.

Abstract

OBJECTIVES:

Oxidative stress is a major factor in the pathogenesis of diabetes complications. The objectives were to investigate the effects of chamomile tea consumption on glycemic control and antioxidant status in subjects with type 2 diabetes mellitus (T2 DM).

METHODS:

This single-blind randomized controlled clinical trial was conducted on 64 subjects with T2 DM (males and females) ages 30 to 60 y. The intervention group (n = 32) consumed chamomile tea (3 g/150 mL hot water) 3 times per day immediately after meals for 8 wk. The control group (n = 32) followed a water regimen for same intervention period. Fasting blood samples, anthropometric measurements, and 3-d, 24-h dietary recalls were collected at the baseline and at the end of the trial. Data were analyzed by independent t test, paired t test, and analysis of covariance.

RESULTS:

Chamomile tea significantly decreased concentration of glycosylated hemoglobin, serum insulin levels, homeostatic model assessment for insulin resistance, and serum malondialdehyde, compared with control group (all P < 0.05). Total antioxidant capacity, superoxide dismutase, glutathione peroxidase, and catalase activities were significantly increased by 6.81%, 26.16 %, 36.71 % and 45.06% respectively in chamomile group compared with these variables in control group at the end of the intervention (all P < 0.05).

CONCLUSIONS:

Short term intake of chamomile tea has beneficial effects on glycemic control and antioxidant status in patients with T2 DM. A larger sample population and a longer intervention period may be required to show significant clinical improvements.

KEYWORDS:

Antioxidant status; Blood glucose; Chamomile; Malondialdehyde; Type 2 diabetes mellitus

PMID:
26437613
DOI:
10.1016/j.nut.2015.07.011
[Indexed for MEDLINE]

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