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- 저자 : Roziahanim Mahmud (검색결과 2 건)
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Harith Jameel Mahdi,Nurzalina Abdul Karim Khan,Mohd Zaini Bin Asmawi,Roziahanim Mahmud,Vikneswaran A/L Murugaiyah 한국한의학연구원 2018 Integrative Medicine Research Vol.7 No.1
Background: The medicinal uses of plants are in many cases based exclusively on traditional knowledge without enough scientific evidences. Different parts of Moringa oleifera were traditionally used for the treatment of wide variety of ailments including arthritis and joints pain. The present study had been designed to evaluate the anti-arthritic and anti-nociceptive activities of ethanol extract of Moringa leaves, this being the most abundant plant part suitable for commercial mass production of botanical medicinal products. Methods: Complete Freund's adjuvant (CFA)-induced arthritis in rats was used as disease model. CFA-induced inflammatory paw edema, body weight, arthritic index, X-ray radiography, hematological parameters, and walk track and locomotion analysis were all evaluated for the assessment of disease progression. In addition to that, anti-nociceptive activity was examined at different dose levels in both normal and arthritic-induced rats using Eddy's hot plate and tail flick thermal analgesia. Results: The analysis of various arthritic assessment parameters used in this study revealed that Moringa extract has a considerable effect in preventing development or ameliorate arthritis disease severity. Moreover, the ethanol extract of Moringa leaves revealed significant anti-nociceptive activity at in both normal and CFA-induced arthritis rats in a dose-dependent manner. Conclusion: Ethanol extract of Moringa leaves appears to be a really promising as analgesic and arthritis medication, but a larger and more detailed preclinical and clinical studies especially in human is highly recommended.
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Mun Fei Yam,Elsnoussi Ali Hussin Mohamed,Lee Fung Ang,Li Pei,Yusrida Darwis,Roziahanim Mahmud,Mohd. Zaini Asmawi,Rusliza Basir,Mariam Ahmad,유혜현,김동현,정혜진 사단법인약침학회 2012 Journal of Acupuncture & Meridian Studies Vol.5 No.4
Orthosiphon stamineus extracts contain three flavonoids (3’-hydroxy-5, 6, 7, 4’-tetramethoxyflavone, sinensetin, and eupatorin) as bioactive substances. Previous reported high performance liquid chromatography- ultraviolet (HPLC-UV) methods for the determination of these flavonoids have several disadvantages, including unsatisfactory separation times and not being well validated according to International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) standard guidelines. A rapid, specific reversed-phase HPLC method with isocratic elution of acetonitrile: isopropyl alcohol: 20 mM phosphate buffer (NaH2-PO4) (30:15:55, v/v) (pH 3.5) at a flow-rate of 1 ml/minute, a column temperature of 25_C, and ultraviolet (UV) detection at 340 nm was developed. The method was validated and applied for quantification of different types of O stamineus extracts and fractions. The method allowed simultaneous determination of 3’-hydroxy-5,6,7,4’- tetramethoxyflavone, sinensetin, and eupatorin in the concentration range of 0.03052 e250 mg/ml. The limits of detection and quantification, respectively, were 0.0076 and 0.061 mg/ml for 3’-hydroxy-5,6,7,4’-tetramethoxyflavone, 0.0153 and 0.122 mg/ml for sinensetin and 0.0305 and 0.122 mg/ml for eupatorin. The percent relative standard deviation (% RSD) values for intraday were 0.048e0.368, 0.025e0.135, and 0.05e0.476 for 3’-hydroxy-5,6,7,4’-tetramethoxyflavone, sinensetin, and eupatorin, respectively, and those for intraday precision were 0.333e1.688, 0.722e1.055, and 0.548e1.819, respectively. The accuracy for intraday were 91.25%e103.38%, 94.32%e109.56%, and 92.85%e109.70% for 30-hydroxy-5,6,7,40-tetramethoxyflavone, sinensetin, and eupatorin, respectively, and those for interday accuracy were 97.49%e103.92%, 103.58% e104.57%, and 103.9%e105.33%, respectively. The method was found to be simple, accurate and precise and is recommended for routine quality control analysis of O stamineus extract containing the three flavonoids as the principle components in the extract.
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