坦桑尼亚多马地区木槿叶和花萼的化学分析、抗菌活性及其应用

S. Begum, Derick R. Mwakimbwala, Gideon Sangiwa, V. Ndesendo
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引用次数: 0

摘要

对生长在坦桑尼亚的芙蓉水提取物和乙醇提取物进行初步的植物化学筛选,发现其含有类固醇、单宁、皂苷、苷类、萜类、类黄酮以及l -抗坏血酸(维生素C)和铁(II)等次生代谢物。此外,叶片和花萼对大肠杆菌、金黄色葡萄球菌、伤寒沙门氏菌和索内志贺氏菌均有抑菌活性(琼脂孔扩散法),但花萼比叶片具有更强的抑菌活性。研究结果也支持了这种植物的传统用途。在Dodoma地区进行横断面研究时,54%的受访者声称该植物用于治疗贫血(据说是因为它增加了血红蛋白水平),23%的受访者声称它用于制备当地葡萄酒,其余受访者表示在这两个地区都有使用。此外,定期摄入沙达里法叶子和花萼可以增强免疫系统,并有助于预防细菌和病毒感染,因为该植物富含类黄酮和维生素c。因此,对Dodoma小规模种植的沙达里法植物的观察结果为考虑未来在坦桑尼亚大规模生产药品和中性药物产品铺平了道路。关键词:植物化学筛选,芙蓉,抗菌活性,l -抗坏血酸,铁(II)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Chemical Analysis, Antibacterial Activities and Uses of Leaves and Calyces of Hibiscus sabdariffa Grown in Dodoma, Tanzania
Preliminary phytochemical screening of aqueous and ethanolic extracts of Hibiscus sabdariffa grown in Tanzania revealed the presence of secondary metabolites like steroids, tannins, saponins, glycosides, terpenoids, flavonoids along with L-ascorbic acid (vitamin C) and iron(II). Furthermore, both leaves and calyces showed antibacterial activities (agar well diffusion method) against selected bacterial species (Escherichia coli, Staphylococcus aureus, Salmonella typhi and Shigella sonnei), but calyces possessed potent antibacterial activities compared to leaves. The results also supported the claimed traditional uses of this plant. When interrogated during the cross-sectional study in Dodoma region, 54% of the respondents claimed the plant is used to treat anaemia (supposedly as it increases haemoglobin levels), 23% claimed it is used in the preparation of local wine and the remaining respondents stated use in both areas. Furthermore, the intake of H. sabdariffa leaves and calyces on regular basis can boost the immunity system and helps in preventing bacterial and viral infections as the plant is loaded with flavonoids and vitamin C. Thus, the results observed for the plant H. sabdariffa that is grown in Dodoma in small scale for traditional uses, paves a way for consideration of future large scale production of pharmaceutical and neutraceutical products in Tanzania. Keywords: Phytochemical screening, Hibiscus sabdariffa, antibacterial activity, L-ascorbic acid and iron(II)
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