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      Senyawa Aktif Daun Alpukat (Persea americana Mill.) dan Daun Salam (Syzygium polyanthum Wight.) sebagai Inhibitor Glikolat Oksidase In Silico

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      Date
      2021
      Author
      Maulidia, Denna Afilia Eka Candra
      Andrianto, Dimas
      Purwono, Rini Madyastuti
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      Abstract
      Urolitiasis atau batu saluran kemih merupakan suatu kondisi terbentuknya massa batu kristal pada saluran kemih dan sebagian besar muncul sebagai batu kalsium oksalat. Batu kristal yang tidak ditangani dengan tepat dapat menimbulkan berbagai penyakit sistemik hingga gagal ginjal. Penelitian ini bertujuan mengidentifikasi senyawa aktif daun alpukat dan daun salam sebagai kandidat anti-urolitiasis melalui analisis energi afinitas (ΔG) dan konstanta inhibisi (Ki). Penemuan kandidat obat baru dapat dilakukan dengan penambatan molekuler (in silico). Sebagian besar senyawa aktif daun alpukat (Persea americana Mill.) dan daun salam (Syzygium polyanthum Wight.) dapat menghambat glikolat oksidase. Ligan pembanding CDST memiliki nilai ΔG sebesar -6,5 kkal/mol dengan Ki 16,99 µM. Potensi inhibisi terbaik yaitu vanillylmandelic acid (ΔG -7,1 kkal/mol dengan Ki 6,164 µM) pada daun alpukat dan 4-hydroxy-3,5-dimethoxy benzoic acid (ΔG -7,5 kkal/mol dengan Ki 3,136 µM) pada daun salam. Oleh karena itu, komponen kimia daun alpukat dan daun salam berpotensi sebagai kandidat anti-urolitiasis.
       
      Urolithiasis or urinary stone is a condition that forms a mass crystal stones in urinary tract and mostly appear as calcium oxalate stones. Crystal stones that are not handled properly can cause various systemic diseases to renal failure. This study aims to identify the active compounds of avocado leaves and bay leaves as anti-urolithiasis candidates through analyze affinity energy (ΔG) and inhibition constant (Ki). The discovery of new drug candidates can be determined by molecular docking (in silico). Most of the active compounds in avocado (Persea americana Mill.) and bay leaves (Syzygium polyanthum Wight.) can inhibit glycolate oxidase. The comparison ligand CDST has a value of ΔG about -6,5 kkal/mol with Ki 16,99 µM. The best inhibition of test ligand is vanillylmandelic acid (ΔG -7,1 kcal/mol with Ki 6,164 µM) in avocado leaves and 4-hydroxy-3,5-dimethoxy benzoic acid (ΔG -7,5 kcal/mol with Ki 3,136 µM) on bay leaves. Therefore, chemical components of avocado and bay leaves have potential as anti-urolithiasis candidates.
       
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      http://repository.ipb.ac.id/handle/123456789/108082
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      • UT - Biochemistry [1466]

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      Indonesia DSpace Group 
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