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首页> 外文期刊>American Journal of Analytical Chemistry >Comparative Assessment of Phytochemicals, Proximate and Elemental Composition of Gnetum africanum (Okazi) Leaves
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Comparative Assessment of Phytochemicals, Proximate and Elemental Composition of Gnetum africanum (Okazi) Leaves

机译：非洲菊叶的植物化学成分，近缘和元素组成的比较评估

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摘要

The leaves of Gnetum africanum were studied for their proximate (nutrient), mineral (elemental) and phytochemical constituents. All analyses were done using standard analytical procedures and the results obtained showed a moisture content, crude protein, ash content, crude fibre, crude lipids and carbohydrates of 10.9%, 20.12%, 6.70%, 7.10%, 2.79% and 52.39% respectively. The mineral (elemental) analysis showed the presence of sodium, magnessium, calcium, iron, zinc, manganesse, potassium and copper in that order of decreasing concentration while notably absent was chromium and lead in the examined leaves. The phytochemicals detected in the leaves using various selected solvents were alkaloids, saponins, glycosides and tannins with various concentrations while flavonoids, phenols and steroids were totally absent. From the results of the aforementioned analyses, it could be concluded that the leaves of Gnetum africanum contain some beneficial nutrients, mineral elements and secondary metabolites justifying the medicinal status and possible potency of the plant part.
机译：研究了非洲菊的叶子的近生（营养），矿物质（元素）和植物化学成分。所有分析均使用标准分析程序进行，所得结果显示水分，粗蛋白，灰分，粗纤维，粗脂和碳水化合物分别为10.9％，20.12％，6.70％，7.10％，2.79％和52.39 ％。矿物（元素）分析显示，钠，镁，钙，铁，锌，锰，钾和铜的含量按浓度递减的顺序排列，而被检叶片中铬和铅的含量最高。使用各种选定溶剂在叶片中检测到的植物化学物质为各种浓度的生物碱，皂苷，糖苷和单宁，而完全没有黄酮类，酚和类固醇。根据上述分析的结果，可以得出结论，非洲非洲菊的叶子含有一些有益的营养，矿物质和次生代谢产物，证明了该植物部分的药用价值和可能的功效。

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