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J Basic Clin Physiol Pharmacol. 2015 Jul;26(4):369-74. doi: 10.1515/jbcpp-2014-0092.

Evaluation of anti-inflammatory and analgesic activities and the phytochemical study of Astragalus arbusculinus gum in animal models.

Abstract

BACKGROUND:

The importance of inflammatory diseases and side effects of conventional drugs necessitate the finding of new anti-inflammatory agents from natural sources. In this study, for the first time, the anti-inflammatory and analgesic effects of the aqueous extract of Astragalus arbusculinus gum were evaluated in animal models.

METHODS:

Thirty-five male Wistar rats were divided into five groups and pretreated with different doses of A. arbusculinus gum extract before the injection of formalin. Paw edema was measured by a plethysmometer at time 0 and after 8 days and compared to controls. The analgesic effect of the extract was evaluated using the hot-plate test in 42 male albino mice.

RESULTS:

The extract of A. arbusculinus gum decreased the rat paw edema in a dose-dependent manner. The effect on inflammation of the highest dose of extract was comparable to sodium salicylate. Astragalus arbusculinus gum extract at doses of 300 and 1000 mg/kg showed analgesic effects comparable to sodium salicylate and morphine, respectively. A preliminary phytochemical study and the determination of the total phenolic content of the gum extract were performed for the first time.

CONCLUSIONS:

The aqueous extract of A. arbusculinus gum reduced the inflammation and pain in a dose-dependent manner and is a good candidate for further studies of safety and efficacy. The clarification of active components of the plant is necessary.

PMID:
25536664
DOI:
10.1515/jbcpp-2014-0092
[Indexed for MEDLINE]

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