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All Journal Bioma : Berkala Ilmiah Biologi Berkala Bioteknologi
Fatin, Nuhaul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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Uji Aktivitas Inhibisi α-Glukosidase Isolat Bakteri Endofit Tanaman Duwet (Syzygium cumini L. Skeels) Sebagai Sumber Alternatif Antidiabetes Fatin, Nuhaul; Pujiyanto, Sri; Raharjo, Budi
Bioma : Berkala Ilmiah Biologi Vol. 20, No 2, Tahun 2018
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (128.289 KB) | DOI: 10.14710/bioma.20.2.165-169

Abstract

Diabetes mellitus (DM) is a metabolic disease contributes to the health problem in Indonesia. The inhibition of α-glucosidase is one of the mechanisms of antidiabetic treatment. α-glucosidase inhibitor can be found in the duwet plants (Syzygium cumini L. Skeels)  that have been used traditionally in Indonesia as antidiabetic drug. However, due to the insufficient quantity and the long harvesting time, the forthcoming appliclation of duwet is consideraly not promising. The natural tendencies of endophytic microorganisms are identicl to the host plant. In this case the endophytic bacteria of the duwet plant is studied to determine its potential as an alternative to producing α-glucosidase inhibitors. A total of 14 isolates of endophytic duwet bacteria isolated tested the ability of α-glucosidase inhibitors using p-nitrophenyl-D-α-glucopyranoside. The result of  the absorbance based on breakdown of substrate that produce colored product and analyzed by spectrophotometric technique. All isolates had α-glucosidase inhibitor activity, the highest activity produced by isolates A21 and A22 with value of 69,18% and 69,22%. Keywords : inhibitor α-glucosidase, endophytic bacteria, Syzygium cumini
Uji Aktivitas Inhibisi α-Glukosidase Isolat Bakteri Endofit Tanaman Duwet (Syzygium cumini L. Skeels) Sebagai Sumber Alternatif Antidiabetes Fatin, Nuhaul; Pujiyanto, Sri; Raharjo, Budi
Berkala Bioteknologi Vol. 3, No. 1, April 2020
Publisher : Berkala Bioteknologi

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Abstract

Diabetes melitus merupakan penyakit metabolik yang menjadi permasalahan kesehatan cukup pelik di Indonesia. Inhibitor α-glukosidase dapat diperoleh dari tanaman duwet (Syzygium cumini L. Skeels ) yang telah digunakan sejak lama secara tradisional di Indonesia sebagai obat antidiabetes. Penelitian bakteri endofit yang memiliki senyawa aktif yang sama dengan tanaman inangnya bertujuan untuk mengetahui aktivitas inhibisinya terhadap enzim α-glukosidase. Sebanyak 14 isolat bakteri endofit duwet diuji kemampuan inhibitor pseudo-substrat p-nitrofenil-D-α-glukopiranosida. Hasil absorbansi diuji berdasarkan pemecahan substrat produk berwarna yang dianalisis dengan teknik spektrofotometri. Hasil penelitian menunjukkan adanya aktivitas inhibitor α-glukosidase pada seluruh isolat. Aktivitas tertinggi dihasilkan oleh isolat A21 dan A22 sebesar 69,18% dan 69,22%, sehingga dapat dimanfaatkan sebagai sumber alternatif antidiabetes.
Co-Authors Budi Raharjo Sri Pujiyanto