Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore.
Chin Med. 2008 Nov 28;3:15. doi: 10.1186/1749-8546-3-15.
BACKGROUND: Eight medicinal plants were tested for their antimicrobial and antioxidant activities. Different extraction methods were also tested for their effects on the bioactivities of the medicinal plants. METHODS: Eight plants, namely Herba Polygonis Hydropiperis (Laliaocao), Folium Murraya Koenigii (Jialiye), Rhizoma Arachis Hypogea (Huashenggen), Herba Houttuyniae (Yuxingcao), Epipremnum pinnatum (Pashulong), Rhizoma Typhonium Flagelliforme (Laoshuyu), Cortex Magnoliae Officinalis (Houpo) and Rhizoma Imperatae (Baimaogen) were investigated for their potential antimicrobial and antioxidant properties. RESULTS: Extracts of Cortex Magnoliae Officinalis had the strongest activities against M. Smegmatis, C. albicans, B. subtilis and S. aureus. Boiled extracts of Cortex Magnoliae Officinalis, Folium Murraya Koenigii, Herba Polygonis Hydropiperis and Herba Houttuyniae demonstrated greater antioxidant activities than other tested medicinal plants. CONCLUSION: Among the eight tested medicinal plants, Cortex Magnoliae Officinalis showed the highest antimicrobial and antioxidant activities. Different methods of extraction yield different spectra of bioactivities.
背景:对 8 种药用植物进行了抗菌和抗氧化活性测试。还测试了不同的提取方法对药用植物生物活性的影响。 方法:对 8 种植物进行了研究,分别为水蜈蚣(辣蓼草)、九里香(鸡屎叶)、落花生(花生根)、鱼腥草(鱼腥草)、绿萝(爬树龙)、半夏(老芋头)、厚朴(厚朴)和白茅根(白茅根),以评估其潜在的抗菌和抗氧化特性。 结果:厚朴提取物对耻垢分枝杆菌、白色念珠菌、枯草芽孢杆菌和金黄色葡萄球菌的活性最强。厚朴、九里香、水蜈蚣和鱼腥草的水煮提取物的抗氧化活性强于其他测试的药用植物。 结论:在所测试的 8 种药用植物中,厚朴表现出最高的抗菌和抗氧化活性。不同的提取方法产生不同的生物活性谱。
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