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Open Access Research article

The effect of 12 weeks Anethum graveolens (dill) on metabolic markers in patients with metabolic syndrome; a randomized double blind controlled trial

Masoume Mansouri1, Neda Nayebi1, Abasali keshtkar12, Shirin Hasani-Ranjbar1*, Eghbal Taheri1 and Bagher Larijani1

Author Affiliations

1 Endocrinology & metabolism research centre, Tehran university of medical sciences, Tehran, Iran

2 Golestan gastroenterology and hepatology research center, Golestan university of medical sciences, Gorgan, Iran

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DARU Journal of Pharmaceutical Sciences 2012, 20:47  doi:10.1186/2008-2231-20-47

Published: 4 October 2012

Abstract

Background

The clustering of metabolic abnormalities defined as metabolic syndrome is now both a public health and a clinical problem .While interest in herbal medicine has greatly increased, lack of human evidence to support efficacies shown in animals does exist. This clinical trial study designed to investigate whether herbal medicine, Anethum graveolens (dill) extract, could improve metabolic components in patients with metabolic syndrome.

Methods

A double-blind, randomized, placebo-controlled trial using a parallel design was conducted. 24 subjects who had metabolic syndrome diagnostic criteria (update of ATP III) were randomly assigned to either dill extract (n = 12) or placebo (n = 12) for 3 months.

Results

Across lipid component of metabolic syndrome, no significant differences in triglyceride (TG) concentration and high density lipoprotein cholesterol were seen between the two groups. However TG improved significantly from baseline (257.0 vs. 201.5p = 0.01) with dill treatment but such a significant effect was not observed in placebo group. Moreover, no significant differences in waist circumference, blood pressure and fasting blood sugar were seen between two groups after 3 months follow up period.

Conclusion

In this small clinical trial in patients with metabolic syndrome, 12 weeks of dill extract treatment had a beneficial effect in terms of reducing TG from baseline. However dill treatment was not associated with a significant improvement in metabolic syndrome related markers compared to control group. Larger studies might be required to prove the efficacy and safety of long-term administration of dill to resolve metabolic syndrome components.

Keywords:
Anethum graveolens; Dill; Metabolic syndrome; Hyperlipidemia; Clinical trial; Abdominal obesity