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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Nutmakul, Thanutchaporn Pattanapanyasat, Kovit Soonthornchareonnon, Noppamas Shiomi, Kazuro Mori, Mihoko Prathanturarug, Sompop |
| Description | Country affiliation: Thailand Author Affiliation: Nutmakul T ( Department of Pharmaceutical Botany, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayuthaya Road, Bangkok 10400, Thailand.); Pattanapanyasat K ( Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok 10700, Thailand.); Soonthornchareonnon N ( Department of Pharmacognosy, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayuthaya Road, Bangkok 10400, Thailand.); Shiomi K ( Laboratory of Biological Functions, Kitasato Institute for Life Sciences, Kitasato University, 5-9-1, Shirokane, Minato-ku, Tokyo 108-8641, Japan.); Mori M ( Laboratory of Biological Functions, Kitasato Institute for Life Sciences, Kitasato University, 5-9-1, Shirokane, Minato-ku, Tokyo 108-8641, Japan.); Prathanturarug S ( Department of Pharmaceutical Botany, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayuthaya Road, Bangkok 10400, Thailand. Electronic address: sompop.pra@mahidol.ac.th.) |
| Abstract | ETHNOPHARMACOLOGICAL RELEVANCE: Bencha-Loga-Wichian (BLW) is a polyherbal antipyretic formulation that is comprised of Capparis micracantha, Clerodendrum indicum, Ficus racemosa, Harrisonia perforata, and Tiliacora triandra. A traditional medical textbook has documented the use of this formulation for the treatment of many types of fever, including malaria-like fever. Traditionally, BLW is composed of the root parts of those plants. However, in current practice, the stem parts are frequently substituted. Thus, this study aimed to evaluate the antiplasmodial activities of BLW and compare the efficacy between the stem and root parts. MATERIALS AND METHODS: BLW formulations produced from either the stem or root parts of the various constituent plants as well as the stems or roots of the individual plants were separately extracted and tested against the chloroquine-sensitive (Pf3D7) and -resistant (PfW2) strains Plasmodium falciparum using flow cytometry. The cytotoxicity against peripheral blood mononuclear cells was evaluated using the WST-8 assay to determine the selectivity index (SI). The active compounds of BLW were isolated using antiplasmodial-guided isolation and quantified using Ultra-Performance Liquid Chromatography (UPLC). RESULTS: The stem and root parts of BLW and the individual plants exhibited antiplasmodial activities at the same levels with good SI values in the range of 3.55-19.74. The extracts of BLW exhibited promising antiplasmodial activity against both Pf3D7 (IC <5µg/mL) and PfW2 (IC =6-10µg/mL). Among the five component plants, T. triandra was the most active and exhibited an IC <5µg/mL against both strains of parasites with SI values >10. We isolated tiliacorinine and yanangcorinine as the major active compounds (IC <2µg/mL). However, these two compounds demonstrated cytotoxic effects (SI<1). The UPLC analysis identified these compounds in both the stem and root parts of BLW in the range of 0.57-7.66%, which correlated with the antiplasmodial activity. The concentrations of these compounds in BLW, at comparable efficacy, were much less than those at the IC50s for the single compounds alone. It suggested that synergistic interactions increased the antiplasmodial effects as well as alleviated the toxicity of the active compounds in BLW. CONCLUSION: This study described a promising antiplasmodial activity of BLW that had good selectivity and a toxicity-alleviating effect. The results provided scientific support for the use of this formulation for the treatment of malaria. In addition, the stem and root parts of the plants in BLW exhibited equivalent activities, which indicates the potential for the substitution of the stem parts in the formulation. Thus, we recommend additional study of the stem parts of these plants for further development on the basis of the availability and sustainability. |
| File Format | HTM / HTML |
| ISSN | 03788741 |
| Journal | Journal of Ethnopharmacology |
| Volume Number | 193 |
| e-ISSN | 18727573 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-12-04 |
| Publisher Place | Ireland |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Drug Discovery Pharmacology |
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