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All Journal Jurnal Farmasi Indonesia Jurnal Ilmiah Berkala: Sains dan Terapan Kimia
Arif Fadlan
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology Medicine & Pharmacology

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OMPLEKS TEMBAGA(II) DARI 2-TIOFENAKARBONILHIDRAZON-3-(N-METIL)-5-BROMOISATIN: SINTESIS DAN UJI ANTIBAKTERI Arif Fadlan; Mardi Santoso; Ratna Ediati
Jurnal Sains dan Terapan Kimia Vol 8, No 2 (2014)
Publisher : Program Studi Kimia, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (175.266 KB) | DOI: 10.20527/jstk.v8i2.2139

Abstract

Kompleks tembaga(II) (4a,b) masing-masing telah berhasil disintesis dari reaksi antara 2- tiofenakarbonilhidrazon-3-(N-metil)isatin (3a) dan 2-tiofenakarbonilhidra-zon-3-(N-metil)-5-bromoisatin (3b) dengan tembaga(II) asetat monohidrat. Uji aktivitas terhadap bakteri Bacillus subtilis menunjukkan bahwa kompleks (4b) memiliki daya hambat yang lebih tinggi (MIC 250 μg/mL) dari pada kompleks (4a) (MIC 2000 μg/mL). Key-words:isatin, kompleks tembaga(II), antibakteri 
Potensi Antihiperpigmentasi Daun Michelia Alba: Studi In Silico Felysia Isman; Paundra Rizky Pratama; Wahida Annisa Ermadayanti; Cici Muarifah; Arif Fadlan
Jurnal Farmasi Indonesia Vol 19 No 2 (2022): Jurnal Farmasi Indonesia
Publisher : Fakultas Farmasi Universitas Setia Budi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31001/jfi.v19i2.1531

Abstract

Michelia alba empirically provides a youthful effect associated with the formation of melanin or skin pigment by tyrosinase enzyme. However, the excessive formation of melanin results in hyperpigmentation and various dermatological disorders such as freckles, melasma, and age spots. Synthetic antihyperpigmentations, which suppress melanin production, have been widely used, but have shown adverse side effects. This study aims to examine the potential of M. alba as a natural antihyperpigmentation agent. The in-silico research was conducted on the compounds contained in M. alba leaves through molecular docking against tyrosinase enzyme (PDB ID: 1BUG) followed by analysis of physicochemical properties and absorption, distribution, metabolism, excretion, and toxicity profiles (ADMET). The molecular docking results of cis-linalool oxide, trans-linalool oxide, linalool, β-elemene, α-humulene, and nerolidol in M. alba leaves against 1BUG indicated that nerolidol, α-humulene, and β-elemene showed lower docking scores than kojic acid and hydroquinone as controls. Nerolidol, α-humulene, and β-elemene interacted with 1BUG via hydrogen bonding, Van der Walls, and alkyl/π-alkyl and π-π stacking interactions. All compounds did not violate Lipinski and Veber rules based on the analysis of physicochemical properties. All compounds also had good absorption, distribution, metabolism, excretion, and toxicity profiles based on the parameters in each of these evaluations in the ADMET analysis.
Co-Authors Cici Muarifah Felysia Isman Mardi Santoso Paundra Rizky Pratama Ratna Ediati Wahida Annisa Ermadayanti