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All Journal Jurnal Hutan dan Masyarakat Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Ramadani Ramadani
Institut Agama Islam Negeri Kerinci
Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Physics Other

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Kearifan Lokal Masyarakat Dalam Upaya Konservasi Hutan Adat Nenek Limo Hiang Tinggi Dan Nenek Empat Betung Kuning Kabupaten Kerinci Dharma Ferry; Ramadani Ramadani
Jurnal Hutan dan Masyarakat VOLUME 13 NOMOR 1, JULI 2021
Publisher : Fakultas Kehutanan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (367.502 KB) | DOI: 10.24259/jhm.v13i1.11163

Abstract

Local wisdom has a positive influence on the conservation of customary forest. The society should understand the positive impact of the existence of customary forest. Nenek Limo Hiang Tinggi and Nenek Empat Betung Kuning Customary Forest is located in Kerinci Regency. This study aims to determine local wisdom in the conservation efforts of Nenek Limo Hiang Tinggi and Nenek Empat Betung Kuning Customary Forest. Data and information were obtained from the results of field observation and interview with some informants; Depati Ninik Mamak (Customary Functionary), village government and the society. This research used a qualitative approach. The results of this study showed that local wisdom in the conservation of the Nenek Limo Hiang Tinggi and Nenek Empat Betung Kuning Customary Forest has been carried out well in the form of customary rules. Violation of customary rules are divided into three levels (minor, moderate and severe). This study provided an overview  that the society’s local wisdom as the efforts to conserve customary forests was done independently by themselves as the society of Nenek Limo Hiang Tinggi and Nenek Empat Betung Kuning.
Isolation and Identification of Terpenoids from Artocarpus camansi Leaves Based on Column Chromatography and UV-IR Spectroscopy Ramadani Ramadani
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol. 13 No. 3: July 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v13i3.15526

Abstract

This study aims to isolate and identify terpenoid compounds from kluwih leaves (Artocarpus camansi). Extraction was done using methanol solvent, followed by n-hexane fractionation, which produced a concentrated blackish green extract. Compounds were separated through column chromatography with silica gel as the stationary phase and n-hexane as the mobile phase, and a mixture of n-hexane: ethyl acetate, producing eight fractions. The third fraction, obtained as green crystals, exhibited a positive reaction to the Liebermann-Burchard reagent, a specific test for the presence of terpenoid compounds. The observed colour change indicated the presence of terpenoids, making this fraction a promising candidate for isolation and detailed analysis. After recrystallisation, white needle-shaped crystals were obtained with a melting point of 141–142.8°C. Purity testing using thin layer chromatography (TLC) showed a single spot in various eluents, indicating that the isolated compound was pure. Further characterisation using UV spectroscopy showed maximum absorption at 210.2 nm, while IR spectroscopy showed the presence of OH, methyl, and non-conjugated C=C double bonds. Based on these data, the isolated compounds can be identified as terpenoid compounds. This study provides a basis for further studies on the structure and biological activity of kluwih leaves.
Co-Authors Ferry, Dharma