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  • Title: Ethnopharmacological survey of medicinal plants used by traditional health practitioners in Thanchi, Bandarban Hill Tracts, Bangladesh.
    Author: Kadir MF, Bin Sayeed MS, Setu NI, Mostafa A, Mia MM.
    Journal: J Ethnopharmacol; 2014 Aug 08; 155(1):495-508. PubMed ID: 24892834.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: There is very limited information regarding plants used by traditional healers in Bandarban Hill Tracts (BHT), Bangladesh for treating general as well as complex ailments. Current study provides significant ethnopharmacological information, both qualitative and quantitative on medical plants in BHT. Aim of the study This study aimed to collect, analyze and evaluate the rich ethnopharmacologic knowledge on medicinal plants in Thanchi, BHT and attempted to identify the important species used in traditional medicine. Further analysis was done by comparison of the traditional medicinal use of the plants with the available scientific literature data. MATERIALS AND METHODS: The field survey was carried out in a period of several years in Thanchi upazilla of Bandarban districts, Bangladesh. A total of 53 Traditional Health Practitioners (THPs) were interviewed through open-ended and semi structured questionnaire. The collected data were analyzed qualitatively and quantitatively. This ethnomedicinal knowledge was compared against the available scientific literature for reports of related uses and studies of phytochemical compounds responsible for respective ailments. RESULTS: A total of 84 species of plants, mostly herbs, belonging to 42 families were identified for the treatment of 70 types of ailments. These ailments were categorized into 16 categories. Leaves were the most frequently used plant parts and juice is the mode of preparation of major portions of the plant species. The most common mode of administration was oral ingestion and topical application. Informant consensus factor (Fic) values of the present study reflected the high agreement in the use of plants in the treatment of digestive system and respiratory system disorders among the informants. Diseases of the digestive system had highest use-reports and 3 species of plants, namely Centella asiatica (L.) Urban. (dysentery), Justicia gendarussa L. (asthma) and Ocimum tenuiflorum L. (coughing) had the highest fidelity level (FL) of 100%. Clerodendrum viscosum Vent., Achyranthes aspera L and Justicia gendarussa L. showed the highest relative importance (RI) value of 1.86. According to use value (UV) the most important species were Ocimum tenuiflorum L. (2.24) and Achyranthes aspera L. (2.15). CONCLUSION: Priority should be given for further phytochemical investigation to plants that scored highest FL, Fic, UV or RI values, as such values could be considered as good indicator of prospective plants for discovering new drugs. Since knowledge regarding traditional medicine being vulnerable day by day so traditional medicine in school curricula should be incorporated so that younger people could appreciate its usefulness. Also counseling of THPs and gardening of medicinal plants should be taken into consideration immediately in order to smooth continuance and extension of traditional medical knowledge and practice for ensuring safe and effective therapy.
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