Isolasi Mikroorganisme Potensial Penghasil Lipase dari Limbah Pengolahan Minyak Kelapa Sawit Malinping
Abstract
Abstrak
Lipase adalah kelompok enzim yang mengkatalisis hidrolisis rantai panjang trigliserida, lemak, dan minyak menjadi gliserol dan asam lemak dengan adanya air. Sumber lipase untuk industri kebanyakan berasal dari mikroorganisme. Penggunaan lipase pada industri makin meningkat setiap tahunnya meliputi aplikasinya pada industri makanan, pakan, farmasi, pulp, dan kertas, biodiesel, dan industri tekstil. Dalam usaha mendapatkan isolat potensial penghasil lipase untuk hHidrofilisasi serat poliester, pada penelitian ini dilakukan skrining dan isolasi mikroorganisme yang dapat menghasilkan lipase dari limbah pengolahan minyak kelapa sawit di Malinping, Lebak, Banten. Sebanyak 20 isolat bakteri dan 5 isolat jamur yang diperoleh kemudian diuji aktivitas lipasenya menggunakan metode titrasi. Empat isolat bakteri terpilih (Kondensat, Lumpur-Got, Hasil-Buangan, dan Tangki-Crude-Oil) serta lima isolat jamur (Nut-A, Nut-B, Nut-C, Kernel-B, dan Kernel-C) dikarakterisasi pH dan suhu optimum enzimnya. Hasil karakterisasi pH menunjukkan bahwa isolat bakteri Kondensat, Lumpur-Got, Hasil-Buangan, dan Tangki-Crude-Oil mempunyai aktivitas enzim lipase tertinggi pada pH 6. Suhu optimal aktivitas enzim lipase isolat Lumpur-Got-B, Hasil Buangan-B, dan Tangki-Crude-Oil B pada 40 °°C, sedangkan isolat bakteri-Kondensat-B optimal pada suhu 30 °°C. Aktivitas lipase kelima isolat jamur optimal pada pH 6. Suhu optimal aktivitas lipase isolat jamur Nut-A adalah 40 °°C, sedangkan isolat Nut-B, Nut-C, Kernel-B, dan Kernel-C aktivitasnya optimal pada 50 °°C.
Abstract
Lipase are enzymes that catalyzed the hydrolysis of triglyceride, fats and oils into glycerol and fatty acids in the presence of water. Industrial Lipase source mostly derived from microbes. Each year, the lipase utilization in industry increased, such as application for foods, feeds, pharmacys, pulp and papers, biodiesel, and textile industries. On this study, a total of 20 bacteria and 5 fungi lipase potential producer were screened and isolated from oil palm processing waste in Malinping, Lebak, Banten, which then tested for its activity using titration method. Selected isolates then were characterized for its enzyme optimum pH and temperature. The optimum pH for isolate Kondensat, Lumpur-Got, Hasil-Buangan and Crude-Oil-Tank lipases are at pH 6, whilst the optimum temperature of isolates Lumpur-Got B, Hasil-Buangan B and Crude-Oil-Tank B were at 40 °°C and bakteri-Kondensat B isolate optimum at 30 °°C. The five fungi characterization shown optimum pH at 6 and 50 °°C except for isolate Nut-A that optimum at 30 °°C.
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DOI: https://doi.org/10.15408/kauniyah.v13i2.14699 Abstract - 0 PDF - 0
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