RokayaUpretyPoudelEtAl2014

Référence

Rokaya, M. B., Uprety, Y., Poudel, R. C., Timsina, B., Munzbergova, Z., Asselin, H., Tiwari, A., Shrestha, S. S. and Sigdel, S.R. (2014) Traditional uses of medicinal plants in gastrointestinal disorders in Nepal. Journal of Ethnopharmacology, 158, Part A:221 - 229. (URL )

Résumé

AbstractEthnopharmacological relevance Gastrointestinal disorders cause morbidity and can lead to mortality, especially in the developing world where sanitation is deficient. A large part of the human population relies on medicinal plants for treating various diseases, including gastrointestinal disorders. The present review summarizes the traditional uses of medicinal plants of Nepal used to treat gastrointestinal disorders, and evaluates their bio-efficacy based on a review of the available phytochemical and pharmacological literature. Material and methods We searched different electronic databases and libraries for the literature on medicinal plants used in Nepal to treat gastrointestinal disorders. For each species, we also searched the literature for information on conservation status, as well as for phytochemical and pharmacological studies in support of the ethnobotanical information. We used principal component analysis to explore the relation among disorders and plant families, plant life forms, plant parts and preparation modes. We also performed permutation tests to determine if botanical families were used more often than expected considering their availability in the Nepali flora. Results We documented a total of 947 species belonging to 158 families and 586 genera used to treat gastrointestinal disorders in Nepal. Diarrhea was the disorder treated by the highest number of species (348), followed by stomachache (340) and dysentery (307). Among the reported species, five were endemic to Nepal, whereas 16 orchid species were protected under {CITES} Appendices {II} and III. The randomization test showed that species belonging to 14 families were used less often than expected, whereas plants belonging to 25 families were used more often than expected. The {PCA} scatter plot showed distinct groups of gastrointestinal disorders treated with similar plant life forms, plant parts, and/or preparation modes. We found 763 phytochemical studies on 324 species and 654 pharmacological studies on 269 species. Conclusion We showed the diversity and importance of medicinal plants used to treat gastrointestinal disorders in the traditional health care system of Nepal. As such disorders are still causing several deaths each year, it is of the utmost importance to conduct phytochemical and pharmacological studies on the most promising species. It is also crucial to increase access to traditional medicine, especially in rural areas. Threatened species need special attention for traditional herbal medicine to be exploited sustainably.

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@ARTICLE { RokayaUpretyPoudelEtAl2014,
    AUTHOR = { Rokaya, M. B. and Uprety, Y. and Poudel, R. C. and Timsina, B. and Munzbergova, Z. and Asselin, H. and Tiwari, A. and Shrestha, S. S. and Sigdel, S.R. },
    TITLE = { Traditional uses of medicinal plants in gastrointestinal disorders in Nepal },
    JOURNAL = { Journal of Ethnopharmacology },
    YEAR = { 2014 },
    VOLUME = { 158, Part A },
    PAGES = { 221 - 229 },
    NUMBER = { 0 },
    ABSTRACT = { AbstractEthnopharmacological relevance Gastrointestinal disorders cause morbidity and can lead to mortality, especially in the developing world where sanitation is deficient. A large part of the human population relies on medicinal plants for treating various diseases, including gastrointestinal disorders. The present review summarizes the traditional uses of medicinal plants of Nepal used to treat gastrointestinal disorders, and evaluates their bio-efficacy based on a review of the available phytochemical and pharmacological literature. Material and methods We searched different electronic databases and libraries for the literature on medicinal plants used in Nepal to treat gastrointestinal disorders. For each species, we also searched the literature for information on conservation status, as well as for phytochemical and pharmacological studies in support of the ethnobotanical information. We used principal component analysis to explore the relation among disorders and plant families, plant life forms, plant parts and preparation modes. We also performed permutation tests to determine if botanical families were used more often than expected considering their availability in the Nepali flora. Results We documented a total of 947 species belonging to 158 families and 586 genera used to treat gastrointestinal disorders in Nepal. Diarrhea was the disorder treated by the highest number of species (348), followed by stomachache (340) and dysentery (307). Among the reported species, five were endemic to Nepal, whereas 16 orchid species were protected under \{CITES\} Appendices \{II\} and III. The randomization test showed that species belonging to 14 families were used less often than expected, whereas plants belonging to 25 families were used more often than expected. The \{PCA\} scatter plot showed distinct groups of gastrointestinal disorders treated with similar plant life forms, plant parts, and/or preparation modes. We found 763 phytochemical studies on 324 species and 654 pharmacological studies on 269 species. Conclusion We showed the diversity and importance of medicinal plants used to treat gastrointestinal disorders in the traditional health care system of Nepal. As such disorders are still causing several deaths each year, it is of the utmost importance to conduct phytochemical and pharmacological studies on the most promising species. It is also crucial to increase access to traditional medicine, especially in rural areas. Threatened species need special attention for traditional herbal medicine to be exploited sustainably. },
    DOI = { http://dx.doi.org/10.1016/j.jep.2014.10.014 },
    ISSN = { 0378-8741 },
    KEYWORDS = { Medicinal plants },
    OWNER = { Daniel Lesieur },
    TIMESTAMP = { 2014.11.19 },
    URL = { http://www.sciencedirect.com/science/article/pii/S0378874114007247 },
}

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