Quantitative High Performance Liquid Chromatographic Analysis of Simple Terpenes, Carotenoids, Phytosterols and Flavonoids in the Leaves of Acalypha wilkesiana Muell Arg

نویسندگان

  • Eugene N. Onyeike
  • Jude Chigozie Ikewuchi
  • Catherine C. Ikewuchi
چکیده

The simple terpenes, carotenoids, phytosterols, and flavonoids compositions of the leaves of Acalypha wilkesiana were determined by high performance liquid chromatography (HPLC). The leaves were rich in flavonoids (about 251.3mg/kg dry weight), carotenoids (76.3mg/kg dry weight), and phytosterols (16.6mg/kg dry weight), but very low in simple terpenes (0.0084mg/kg dry weight). Three flavonoids (artemetin, luteolin, and vitexicarpin) were detected, with luteolin (about 35.85% of the flavonoid extract), having the highest concentration. Five carotenoids were detected, with carotene (56.76%), and lutein (21.80%) having the highest concentrations. Of the six phytosterols detected, the levels of stigmasterol (37.55%) and β-sitosterol (24.80%) were the highest. Myrcene (2.99%), β-amyrin (2.96%), lupeol (2.50%) and thujene (2.44%) were the highest amongst the twelve simple terpenes detected. These results indicate that the leaves are potential sources of allelochemicals and nutraceuticals, and in addition, justify their use in traditional medicine. (

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تاریخ انتشار 2010