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<p><i>Dypsis lutescens</i> has been reported by National Aeronautics and Space Administration (NASA) to contribute to indoor air purification by removing pollutants and increasing humidity. In this study, essential oils (EOs) were extracted from <i>Dypsis lutescens</i>, characterized and evaluated for their potential bioactivities. Fresh and air-dried plant samples (voucher number FHI 112809) were subjected to hydro-distillation to obtain EOs. Chemical components of the EOs were identified by Gas Chromatography-Mass Spectrometer (GC-MS). Antioxidant and cytotoxicity assays were done using 2,2′-diphenyl-1-picrylhydrazine (DPPH) and <i>Artemia nauplii</i> respectively. Antibacterial activity was tested against <i>Staphylococcus aureus</i>,<i> Escherichia coli</i>,<i> Bacillus subtilis</i>,<i> Salmonella typhi</i>,<i> Klebsiella oxytoca</i>. A total of twenty, sixteen, thirty-four, thirty-one, thirty-five and nine compounds were identified in the fresh-leaf, air-dried leaf, fresh-stalk, air-dried stalk, fresh stem-bark and air-dried stem-bark EOs respectively. Two terpenoids, Cis-geranyl acetone (12.96%) and farnesyl acetone (9.02%) were identified in the air-dried leaf at relatively high quantities compared with the other identified classes of terpenes across the plant samples. Air-dried leaf EO was the most active antioxidant (IC<sub>50</sub>&#xa0;=&#xa0;566.8&#xa0;µg/mL). Air-dried leaf EO showed the highest cytotoxicity (LC<sub>50</sub>&#xa0;=&#xa0;1.62 × 10<sup>−5</sup> µg/mL). Fresh leaf EO was the most active antibacterial agent with a zone of inhibition (ZI) of 23&#xa0;mm against <i>Salmonella typhi.</i> These results give credence to the reports on the potential antioxidant, anticancer and antibacterial properties of the plant.</p>

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Phytochemical and toxicity investigations of essential oils of Dypsis lutescens H. Wendl as potential antioxidant, cytotoxic and antibacterial agents

  • 期刊论文

  • 发表日期：

    2026年7月25日

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  • Eniola Olabisi Anifalaje,
  • Olapeju O. Aiyelaagbe,
  • Olusegun Ekundayo

摘要

Dypsis lutescens has been reported by National Aeronautics and Space Administration (NASA) to contribute to indoor air purification by removing pollutants and increasing humidity. In this study, essential oils (EOs) were extracted from Dypsis lutescens, characterized and evaluated for their potential bioactivities. Fresh and air-dried plant samples (voucher number FHI 112809) were subjected to hydro-distillation to obtain EOs. Chemical components of the EOs were identified by Gas Chromatography-Mass Spectrometer (GC-MS). Antioxidant and cytotoxicity assays were done using 2,2′-diphenyl-1-picrylhydrazine (DPPH) and Artemia nauplii respectively. Antibacterial activity was tested against Staphylococcus aureus, Escherichia coli, Bacillus subtilis, Salmonella typhi, Klebsiella oxytoca. A total of twenty, sixteen, thirty-four, thirty-one, thirty-five and nine compounds were identified in the fresh-leaf, air-dried leaf, fresh-stalk, air-dried stalk, fresh stem-bark and air-dried stem-bark EOs respectively. Two terpenoids, Cis-geranyl acetone (12.96%) and farnesyl acetone (9.02%) were identified in the air-dried leaf at relatively high quantities compared with the other identified classes of terpenes across the plant samples. Air-dried leaf EO was the most active antioxidant (IC50 = 566.8 µg/mL). Air-dried leaf EO showed the highest cytotoxicity (LC50 = 1.62 × 10−5 µg/mL). Fresh leaf EO was the most active antibacterial agent with a zone of inhibition (ZI) of 23 mm against Salmonella typhi. These results give credence to the reports on the potential antioxidant, anticancer and antibacterial properties of the plant.