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  • Open Access

    ARTICLE

    Influence of Phenological Stage on the Volatile Content and Biological Properties of Origanum elongatum Essential Oil

    Amine Batbat1,2, Khaoula Habbadi2, Mohamed Jeddi3, Samiah Hamad Al-Mijalli4, Hanae Naceiri Mrabti5, Fahad M. Alshabrmi6, Naif Hesham Moursi7, Hassane Greche1, Naoufal El Hachlafi8,*

    Phyton-International Journal of Experimental Botany, Vol.95, No.1, 2026, DOI:10.32604/phyton.2026.072398 - 30 January 2026

    Abstract Origanum elongatum (OE) is an aromatic, medicinal plant endemic to Morocco that is widely used in traditional medicine due to its biological properties. This study aimed to elucidate the chemical composition of the essential oil (EO) obtained from O. elongatum (OEEO) at three stages of its life cycle, including vegetative stage (OEEO-VS), flowering stage (OEEO-FS), and post-flowering (OEEO-PFS), as well as to evaluate its biological and antiradical characteristics. The chemical analysis of the essential oil was conducted using gas chromatography-mass spectrometry (GC-MS). The antibacterial activity was evaluated in vitro through distinct methodologies, namely, disc diffusion and microatmosphere assay;… More >

  • Open Access

    ARTICLE

    Activated Carbon from Nipa Palm Fronds (Nypa fruticans) with H3PO4 and KOH Activators as Fe Adsorbers

    Ninis Hadi Haryanti1,*, Eka Suarso1, Tetti N. Manik1, Suryajaya1, Nurlita Sari1, Darminto2

    Journal of Renewable Materials, Vol.12, No.2, pp. 203-214, 2024, DOI:10.32604/jrm.2023.043549 - 11 March 2024

    Abstract Nipa palm is one of the non-wood plants rich in lignocellulosic content. In this study, palm fronds were converted into activated carbon, and their physical, chemical, and morphological properties were characterized. The resulting activated carbon was then applied as an adsorbent of Fe metal in peat water. The carbonization process was carried out for 60 min, followed by sintering at 400°C for 5 h with a particle size of 200 mesh. KOH and H3PO4 were used in the chemical activation process for 24 h. KOH-activated carbon contained 6.13% of moisture, 4.55% of ash, 17.02% of volatile… More > Graphic Abstract

    Activated Carbon from Nipa Palm Fronds (<i>Nypa fruticans</i>) with H<sub>3</sub>PO<sub>4</sub> and KOH Activators as Fe Adsorbers

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