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      Potensi Senyawa Kimia Ekstrak Etanol 70% Daun Asam Jawa (Tamarindus indica L.) sebagai Antiobesitas melalui Penghambatan Lipase Pankreas secara In Silico

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      Date
      2026
      Author
      Pratiwi, Aisyah Rayhan Rinka
      Hasim
      Kurniatin, Popi Asri
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      Abstract
      Obesitas disebabkan oleh akumulasi lemak berlebih di jaringan tubuh. Lipase pankreas merupakan enzim kunci pada penyerapan lemak sehingga penghambatan aktivitas enzim ini berpotensi menjadi salah satu terapi obesitas. Daun asam jawa diketahui dapat menghambat kerja enzim lipase pankreas secara in vitro, namun belum diketahui senyawa spesifik yang berperan dalam penghambatan tersebut. Penelitian ini bertujuan mengidentifikasi senyawa bioaktif daun asam jawa, menentukan senyawa yang berpotensi menghambat enzim lipase pankreas secara in silico, serta mengidentifikasi interaksi yang terjadi antara senyawa tersebut dengan reseptor. Metode yang digunakan yakni analisis LCMS/MS QToF untuk identifikasi senyawa, dilanjutkan dengan penapisan virtual dengan YASARA Structure lalu prediksi bioavailibilitas dan toksisitas ligan. Analisis LCMS/MS QToF berhasil mengidentifikasi 31 senyawa dari berbagai golongan. Seluruh senyawa tersebut beserta 166 senyawa hasil studi literatur kemudian ditambatkan pada reseptor lipase pankreas untuk penapisan virtual. Sebanyak total 57 ligan uji lolos penapisan virtual yang selanjutnya diprediksi bioavailibilitas dan toksisitasnya. Sebanyak 14 ligan uji yang lolos prediksi bioavailibilitas dan toksisitas kemudian diamati interaksinya. Ligan Wogonin dan Naringenin diprediksi memiliki potensi inhibisi terbaik berdasarkan nilai energi bebas ikatannya.
       
      Obesity results from excess fat accumulation in the body, and since pancreatic lipase is a key enzyme in fat absorption, inhibiting it is a promising obesity treatment. While previous in vitro studies showed that tamarind leaves have the ability to inhibit this enzyme, the specific compounds responsible were unknown. This research aimed to identify these compounds using LCMS/MS QToF and assess their potential as anti-obesity drugs by inhibiting pancreatic lipase in silico. The study also analyzed how these compounds interact with the enzyme. The methods included identifying active compounds in tamarind leaves with LCMS/MS QToF, followed by virtual screening and toxicity predictions. The analysis identified 31 compounds from the tamarind leaves. A total of 57 ligands, including those identified and 166 from a literature review, passed the initial virtual screening. After predicting their bioavailability and toxicity, 14 ligands remained for further interaction analysis. Based on their binding free energy, the compounds Wogonin and Naringenin were predicted to have the strongest inhibitory potential.
       
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      http://repository.ipb.ac.id/handle/123456789/172119
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      • UT - Biochemistry [1466]

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