Evaluation of anti-inflammatory and analgesic activities and the phytochemical study of Astragalus arbusculinus gum in animal models
-
Asie Shojaii
and
Nazanin Rahnama
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.
Acknowledgments
This work was supported by the Research Institute for Islamic and Complementary Medicine, Iran University of Medical Sciences (Grant Number 14513).
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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©2015 by De Gruyter
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Articles in the same Issue
- Frontmatter
- Behavior and Neuroprotection
- Evaluation of analgesic activity of levofloxacin in human experimental pain model
- Cardiovascular-Pulmonary Interactions
- Normal spirometric standards in young adult Indian population
- Oxidative Stress
- Antioxidant, antinociceptive and anti-inflammatory properties of the aqueous and ethanolic leaf extracts of Andrographis paniculata in some laboratory animals
- Geraniol attenuates oxidative stress by Nrf2 activation in diet-induced experimental atherosclerosis
- Comparative assessment of onion and garlic extracts on endogenous hepatic and renal antioxidant status in rat
- Hematological Profile
- Silver nanoparticles influenced rat serum metabolites and tissue morphology
- Inflammation
- Anti-inflammatory and antipyretic properties of Corchorus olitorius aqueous root extract in Wistar rats
- Evaluation of anti-inflammatory and analgesic activities and the phytochemical study of Astragalus arbusculinus gum in animal models
- Phytotherapy
- Effects of sub-acute methanol extract treatment of Calliandra portoricensis root bark on antioxidant defence capacity in an experimental rat model
- A hydro-ethanolic extract of Synedrella nodiflora (L.) Gaertn ameliorates hyperalgesia and allodynia in vincristine-induced neuropathic pain in rats
- In vitro assessment of anticholinesterase and NADH oxidase inhibitory activities of an edible fern, Diplazium esculentum
- Original Article
- Identification and evaluation of potentially inappropriate medications (PIMs) in hospitalized geriatric patients using Beers criteria
- Short Communication
- Nerve growth factor-induced myoprotection in C2C12 muscle cells is mediated by α9β1 integrin via release of PGE2
