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All Journal Prosiding Seminar Biologi Record and Library Journal JURNAL PENELITIAN DIDAKTIKA TAUHIDI: JURNAL PENDIDIKAN GURU SEKOLAH DASAR Lentera: Jurnal Ilmiah Kependidikan Jurnal Informatika Universitas Pamulang Jurnal Kolaboratif Sains Journal of Nonformal Education and Community Empowerment Jurnal Pemberdayaan Komunitas MH Thamrin Jurnal Penelitian Tsamratul Fikri (TF) Proceeding Biology Education Conference
Munawaroh Munawaroh
Fakultas Geografi UGM
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Journal : Prosiding Seminar Biologi

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PRODUKSI SELULOSA BAKTERIAL DARI AIR BUAH KELAPA DALAM BERBAGAI KONSENTRASI SUKROSA DAN UREA (PRODUCTION OF BACTERIAL CELLULOSE FROM COCONUT FRUIT WATER Ardyati, Tri; Zubaidah, Elok; Munawaroh, Munawaroh; P, Citra Pradani; Suharjono, Suharjono
Prosiding Seminar Biologi Vol 8, No 1 (2011): Seminar Nasional VIII Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

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Abstract

ABSTRACT Cellulose is a nature biopolymer that mainly derived from plant and it has been application broadly in textile and paper industries. Usage of forest plants to cellulose fiber production continually caused negative impact to environment. Waste of coconut fruit water can be metabolism by some species of Gluconacetobacter (Acetobacter) to produce bacterial cellulose as alternative of plant cellulose. The objective of the research is to study effect of increasing of sucrose and urea concentration to bacterial cellulose productivity in coconut fruit water medium. Starter of microbial culture 10% with 2.2 x 107 cell/mL (90% of bacteria and 10 % of yeast) was inoculated into coconut fruit water medium with variation of sucrose and urea concentration. It was incubated seven days in static culture at room temperature. Productivity of cellulose bacterial highest was 10.849 gram in the medium with 5.0 % sucrose and 0.25 % urea concentration. Key words: Acetobacter, cellulose, sucrose, urea ABSTRAK Selulosa adalah biopolimer alamiah yang sebagian besar diperoleh dari tanaman dan telah diaplikasikan secara luas terutama di industri kertas dan tekstil. Penggunaan tanaman hutan untuk produksi serat selulosa secara kontinyu mengakibatkan dampak negatif pada lingkungan. Limbah air buah kelapa dapat dimetabolisme oleh bakteri anggota Genus Gluconacetobacter (Acetobacter) menghasilkan selulosa bakterial sebagai alternatif bagi selulosa tanaman. Tujuan penelitian adalah untuk mempelajari pengaruh peningkatan konsentrasi sukrosa dan urea pada produktivitas selulosa bakterial dalam medium air buah kelapa. Starter suspensi mikrobia 10% dengan densitas 2,2 x 107 sel/ml (90% bakteri dan 10 % khamir) diinokulasikan ke medium air buah kelapa 150 mL dengan variasi konsentrasi sukrosa dan urea yang dibiakkan secara statis selama tujuh hari pada suhu ruang. Produktivitas selulosa tertinggi 10,849 gram pada formula medium dengan konsentrasi sukrosa 5 % dan urea 0,25 %. Kata kunci: Acetobacter, selulosa, sukrosa, urea
Co-Authors Badrus Zaman Citra Pradani P Dio Eka Prayitno, Dio Eka Dr. Budiwirman, M.Pd., Johan Sentosa, Yofita Sandra, M.Pd., Elok Zubaidah Jamhari Jamhari Masrukin Masrukin Mohammad Emnis Anwar, Mohammad Emnis Nor, Andi Reza Alief Chairin Rosa Susanti Sudirman Sudirman Tri Ardyati Yadi Fahmi Arifudin