Evaluation of the anti-inflammatory properties of Dodonaea polyandra, a Kaanju traditional medicine

Bradley Simpson, David Claudie, Nick Smith, Jiping Wang, Ross McKinnon, Susan Semple

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    Ethnopharmacological relevance: Extracts of the medicinal plant species Dodonaea polyandra were investigated as part of a collegial research partnership between Northern Kaanju traditional owners represented by Chuulangun Aboriginal Corporation (centred on the Wenlock and Pascoe Rivers, Cape York Peninsula, Queensland, Australia) and university-based researchers. D. polyandra, known as " Uncha" in Kaanju language, is used in Northern Kaanju Traditional Medicine for relief from pain associated with toothache and related ailments. The species has a restricted distribution in Cape York Peninsula and there has been no previous Western scientific investigation of its pharmacology or chemistry. Aim of the study: The current study investigates the anti-inflammatory effects of several extracts from D. polyandra. Materials and methods: Phytochemical screening was conducted using TLC. Anti-inflammatory effects of leaf extracts were determined using an acute mouse ear oedema model induced by croton oil and 12-o-tetradecanoylphorbol-13-acetate (TPA) chemical irritants. Results: Flavonoid and terpenoid secondary compounds were detected in leaf extracts of D. polyandra. Non-polar hexane and methylene chloride/methanol extracts showed potent inhibition of inflammation in TPA-induced mouse ear oedema by 72.12 and 79.81%, respectively, after 24. h at 0.4. mg/ear. Conclusion: In a mouse model of acute inflammation, this study revealed that leaf extracts of D. polyandra possess significant anti-inflammatory potential. These results contribute to a Western scientific understanding of the ethnopharmacological use of the plant in Northern Kaanju Medicine for reducing tooth-related pain.

    Original languageEnglish
    Pages (from-to)340-343
    Number of pages4
    JournalJOURNAL OF ETHNOPHARMACOLOGY
    Volume132
    Issue number1
    DOIs
    Publication statusPublished - 28 Oct 2010

    Keywords

    • Anti-inflammatory
    • Australian indigenous medicine
    • Dodonaea
    • Mouse ear oedema

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