Utami, W.
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INHIBITION OF CYCLOOXYGENASE-2 USING BIOACTIVE COMPOUND DERIVED MORINGA OLEIFERA THROUGH MOLECULAR DOCKING APPROACH Antari, L.; Utami, W.; Marni, L. G.; Ismed, G. H. M.
Jurnal Kimia (Journal of Chemistry) Vol. 18, No.2, Juli 2024
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

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Abstract

ABSTRAK Respon tubuh terhadap iritasi, radiasi, infeksi, dan cedera menyebabkan peradangan. Penelitian ini menggunakan pendekatan molecular docking untuk mengeksplorasi potensi senyawa bioaktif dari Moringa oleifera terhadap reseptor COX-2. Penelitian diawali dengan redocking untuk validasi metode. Sepuluh senyawa bioaktif diperoleh dari https://pubchem.ncbi.nlm.nih.gov dan reseptor COX-2 dari www.rcsb.com. Senyawa dari Moringa oleifera dianalisis menggunakan Lipinski's Rule of File dan properti ADMET. Energi pengikatan dan interaksi residu asam amino dihitung menggunakan Autodock Tools 1.5.6 dengan memanfaatkan Lamarckian Genetic Algorithm (LGA). Hasil perhitungan menunjukkan delapan senyawa bioaktif yang memenuhi Lipinski's Rule of Five. Benzil glukosinolat memiliki energi pengikatan yang lebih rendah daripada ligan asalnya, yaitu -8,06 kJ mol-1 dengan residu asam amino TYR385, SER530, TYR355, HIS90, ARG513, LEU352, dan GLN192. Studi ini menunjukkan bahwa benzil glukosinolat, senyawa yang diisolasi dari Moringa oleifera, menunjukkan potensi yang menjanjikan sebagai penghambat enzim COX-2. Analisis komputasional menunjukkan bahwa molekul yang terjadi secara alami ini kemungkinan memiliki sifat antiinflamasi yang signifikan dengan menargetkan jalur siklooksigenase-2 secara selektif. Penelitian ini memberikan dasar yang kuat untuk riset masa depan di bidang penemuan dan perancangan obat, khususnya dalam pencarian agen antiinflamasi alami. Metodologi dan hasil yang disajikan di sini dapat menjadi referensi berharga bagi para peneliti yang mengeksplorasi fitokimia lain, sebagai petunjuk potensial untuk mengembangkan terapi antiinflamasi yang lebih aman dan lebih efektif. Kata kunci: antiinflamasi, COX-2, docking molekuler, Moringa oleifera ABSTRACT The body's response to irritation, radiation, infection, and injury causes inflammation. This research used a molecular docking approach to explore the potential of bioactive compounds from Moringa oleifera against the COX-2 receptor. It was initiated with redocking for method validation. Ten bioactive compounds were obtained from https://pubchem.ncbi.nlm.nih.gov and COX-2 receptors from www.rcsb.com, respectively. The compounds from Moringa oleifera were analyzed using Lipinski's Rule of File and ADMET properties. The binding energy and amino acid residue interaction were calculated using Autodock Tools 1.5.6 utilizing the Lamarckian Genetic Algorithm (LGA). The calculation results showed eight bioactive compounds that fulfill Lipinski's Rule of Five. Benzyl glucosinolate has a lower binding energy than the native ligand, namely -8.06 kJ mol-1with amino acid residues TYR385, SER530, TYR355, HIS90, ARG513, LEU352, and GLN192. This study demonstrates that benzyl glucosinolate, a compound isolated from Moringa oleifera, exhibits promising potential as a COX-2 enzyme inhibitor. The computational analysis suggests that this naturally occurring molecule may possess significant anti-inflammatory properties by selectively targeting the cyclooxygenase-2 pathway. Furthermore, this research provides a solid foundation for future investigations in the field of drug discovery and design, particularly in the pursuit of natural anti-inflammatory agents. The methodology and results presented here can serve as a valuable reference for researchers exploring other phytochemicals as potential leads for developing safer and more effective anti-inflammatory therapeutics. Keywords: anti-inflammation, COX-2, molecular docking, Moringa oleifera
DEGRADASI FOTOKATALITIK LIMBAH CAIR BATIK JAMBI MENGGUNAKAN KATALIS HETEROGEN CAO DARI CANGKANG KERANG BAMBU (ENSIS SP.) Saputra, A.; Utami, W.; Ningsih, S.; ., Deliza
Jurnal Kimia (Journal of Chemistry) Vol. 17, No.2, Juli 2023
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JCHEM.2023.v17.i02.p06

Abstract

Limbah cair zat warna Batik Jambi mengandung senyawa organic non-biodegradable yang bersifat karsinogenik. Tujuan penelitian ini untuk mengetahui efektivitas katalis CaO dalam mendegradasi limbah cair zat warna Batik Jambi. Pada penelitian ini, limbah cair zat warna Batik Jambi didegradasi menggunakan metode fotokatalitik penyinaran matahari dan lampu UV 38 watt dengan dan tanpa katalis CaO dari cangkang kerang bambu. Larutan limbah warna dianalisis menggunakan spektrofotometer UV-VIS pada panjang gelombang 200-800 nm dengan massa katalis 0,02 gram. Data memperlihatkan bahwa hasil degradasi limbah cair zat warna Batik Jambi yang paling baik yaitu penambahan katalis CaO dan penyinaran matahari selama 3 jam sebesar 60,34%. Sedangkan penyinaran lampu UV selama 3 jam hanya sebesar 36,12%. Hasil penelitian dapat memberikan beberapa manfaat yaitu sebagai sumber informasi bagi pengrajin batik tentang pengolahan limbah cair Batik secara sederhana. Selain itu, studi ini sebagai data dukung bagi pemerintah tentang pembuatan produk hukum terkait pengolahan limbah cair batik yang belum terperhatikan. Kata kunci: Batik Jambi, CaO, degradasi, fotokatalitik, katalis ABSTRACT The wastewater of Batik Jambi dye contains non-biodegradable organic compounds that are carcinogenic. The purpose of this study was to determine the effectiveness of the CaO catalyst in degrading the Batik Jambi dye wastewater. In this research, Batik Jambi dye wastewater was degraded using the photocatalytic method the solar irradiation and a 38-watt UV lamp with and without a CaO catalyst from bamboo shells. The colored waste solution was analyzed using a UV-VIS spectrophotometer at a wavelength of 200-800 nm with a catalyst mass of 0.02 grams. The data showed that the best result of degradation of Jambi Batik dye wastewater was the addition of a CaO catalyst and solar irradiation for 3 hours of 60.34%. Whereas UV light irradiation for 3 hours was only 36.12%. The result of research could provide several benefits, namely as a source of information for batik craftsmen about the simple processing of liquid waste. In addition, this study served as supporting data for the government regarding the manufacture of law product related to the treatment of batik wastewater which has not been considered Keywords: catalyst, CaO, degradation, photocatalytic