PHYTOCHEMICAL STUDY TO VALIDATE THE ETHNOBOTANICAL IMPORTANCE OF Dioscorea steriscus TUBERS OBTAINED FROM ZIMBABWE

STED Journal Pub Date : 2020-03-12 DOI:10.7251/sted2002001t

Masimba Tapera, R. Wanjau, P. Dzomba, A. Machocho, J. Mburu

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Abstract

Modern people have embraced plants as a source of useful bioactive compounds. As such, plants with medicinal properties have become essential components in human life. The purpose of this study was to investigate the phytochemical profile of the extract of Dioscorea steriscus tubers obtained from Zimbabwe. Phytochemicals were extracted from tubers of D. steriscus using aqueous acetone. UV-Visible Spectrophotometry, Fourier transform infrared (FTIR) spectrometry and highperformance liquid chromatography (HPLC) techniques were used to determine the phytochemical profile of the tuber extract. The yield of phytochemicals extracted from D. steriscus tubers was found to be 6.38 %. The presence of bioactive compounds possessing phenyl, organic hydroxyl, amine, carboxyl, carbonyl, acyl, alkyl and aromatic functional groups was confirmed using UVVisible and FTIR analysis. The presence of substantial amounts of vanillic acid and kaempferol in D. steriscus tubers was confirmed using HPLC analysis. In support of the ethnobotanical values of Dioscorea species, the study confirmed the presence of potent phytochemicals in the extract of D. steriscus tubers obtained from Zimbabwe.

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证实津巴布韦薯蓣块茎在民族植物学上重要性的植物化学研究

现代人已经接受植物作为有用的生物活性化合物的来源。因此，具有药用价值的植物已成为人类生活中必不可少的组成部分。本研究旨在研究津巴布韦薯蓣块茎提取物的植物化学特征。用丙酮水溶液从臭茎中提取植物化学物质。采用紫外-可见分光光度法、傅里叶变换红外光谱法和高效液相色谱法等技术测定了薯蓣提取物的植物化学成分。该方法提取的植物化学物质的收率为6.38%。通过紫外可见光谱和红外光谱分析证实，化合物中含有苯基、有机羟基、胺基、羧基、羰基、酰基、烷基和芳香官能团。采用高效液相色谱法测定了山奈酚和香草酸的含量。为了支持薯蓣物种的民族植物学价值，该研究证实了在津巴布韦获得的薯蓣块茎提取物中存在有效的植物化学物质。

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STED Journal

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