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All Journal HAYATI Journal of Biosciences Journal of Food and Pharmaceutical Science METAMORFOSA Journal of Biological Sciences Jurnal Ilmu Dasar BERKALA SAINSTEK The Journal of Pure and Applied Chemistry Research Global Medical and Health Communication Jurnal Bioteknologi & Biosains Indonesia (JBBI) BIOEDUKASI AL-HAYAT: Journal of Biology and Applied Biology Journal of Food and Pharmaceutical Sciences Life Science and Biotechnology Jurnal Hasil Pengabdian Kepada Masyarakat Universitas Jember Journal of Coffee and Sustainability Metamorfosa: Journal of Biological Science Open Access DRIVERset
Sattya Arimurti
Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Jember, Jln. Kalimantan 37, Jember 68121
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Journal : BERKALA SAINSTEK

 1 
SKRINING BAKTERI SELULOLITIK ASAL VERMICOMPOSTING TANDAN KOSONG KELAPA SAWIT Azizah, Siti Nur; Muzakhar, Kahar; Arimurti, Sattya
BERKALA SAINSTEK Vol 2, No 1 (2014)
Publisher : My Home

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Abstract

Biomassa Tandan Kosong Kelapa Sawit (TKKS) dihasilkan dalam jumlah melimpah selama pemanenan, sehingga harus didekomposisi dalam waktu singkat. Melalui vermicomposting, TKKS dikonversi menjadi kompos yang berlangsung selama 2-3 bulan, sehingga untuk mempercepat proses dekomposisi, penelitian ini perlu dilakukan. Lima puluh satu isolat bakteri selulolitik berhasil diisolasi dari vermicomposting limbah TKKS. Hasil uji pada media CMC (Carboxymethyl Cellulose) plate, empat isolat memiliki aktivitas selulolitik tertinggi, yaitu isolat 20, 40a, 40b dan 49 dengan indeks aktivitas sebesar 11,90; 10,97; 11,29, dan 11,24. Selama hidrolisis menggunakan substrat CMC dan TKKS, isolat 20 mampu memproduksi gula reduksi tertinggi yaitu sebesar 12,27 μg/mL dan 49,31 μg/mL, sedangkan isolat 40a, 40b, dan 49 sebesar 3,48 μg/mL, 6,28 μg/mL dan 3,10 μg/mL di substrat CMC dan sebesar 24,83 μg/mL, 11,21 μg/mL dan 8,25 μg/mL di substrat TKKS. Keempat isolat bakteri termasuk bakteri Gram negatif dengan bentuk sel batang. Kata Kunci: bakteri selulolitik, gula reduksi, vermicomposting TKKS.
SKRINING BAKTERI SELULOLITIK ASAL VERMICOMPOSTING TANDAN KOSONG KELAPA SAWIT Azizah, Siti Nur; Muzakhar, Kahar; Arimurti, Sattya
BERKALA SAINSTEK Vol 2 No 1 (2014)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Biomassa Tandan Kosong Kelapa Sawit (TKKS) dihasilkan dalam jumlah melimpah selama pemanenan, sehingga harus didekomposisi dalam waktu singkat. Melalui vermicomposting, TKKS dikonversi menjadi kompos yang berlangsung selama 2-3 bulan, sehingga untuk mempercepat proses dekomposisi, penelitian ini perlu dilakukan. Lima puluh satu isolat bakteri selulolitik berhasil diisolasi dari vermicomposting limbah TKKS. Hasil uji pada media CMC (Carboxymethyl Cellulose) plate, empat isolat memiliki aktivitas selulolitik tertinggi, yaitu isolat 20, 40a, 40b dan 49 dengan indeks aktivitas sebesar 11,90; 10,97; 11,29, dan 11,24. Selama hidrolisis menggunakan substrat CMC dan TKKS, isolat 20 mampu memproduksi gula reduksi tertinggi yaitu sebesar 12,27 μg/mL dan 49,31 μg/mL, sedangkan isolat 40a, 40b, dan 49 sebesar 3,48 μg/mL, 6,28 μg/mL dan 3,10 μg/mL di substrat CMC dan sebesar 24,83 μg/mL, 11,21 μg/mL dan 8,25 μg/mL di substrat TKKS. Keempat isolat bakteri termasuk bakteri Gram negatif dengan bentuk sel batang. Kata Kunci: bakteri selulolitik, gula reduksi, vermicomposting TKKS.
Antibacterial Activity of Liverworts of Dumortiera hirsute (Sw.) Nees Ethyl Acetate Extract Against Pathogenic Bacteria Luthfiah, Luthfiah; Setyati, Dwi; Arimurti, Sattya
BERKALA SAINSTEK Vol 9 No 2 (2021)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v9i2.22645

Abstract

Dumortiera hirsuta is one of the liverworts that can be used as a medicinal to prevent infection by pathogenic bacteria. The content of secondary metabolites of D. hirsuta has potential as antibacterial properties includes flavonoids, alkaloids and steroids. This research is to analyze the antibacterial activity of moss D. hirsuta against pathogenic bacteria that will be beneficial to humans. Liverworts of D. hirsuta were extracted using ethyl acetate solvent and tested against three types of pathogenic bacteria using the agar well-diffusion method. The results of this study indicated that the ethyl acetate extract of D. hirsuta at 100% concentration could inhibit the growth of Escherichia coli, Staphylococcus aureus, and Salmonella typhi bacteria. The range of antibacterial activity categories of the ethyl acetate extract of D. hirsuta to E. coli, S. aureus, and S. typhi between weak to moderate.
Growth of Lactobacillus casei FNCC0900 in Media Based Umbi Porang Plant (Amorphophallus muelleri BI.) Azhari, Fitri; Winarsa, Rudju; Siswanto, Siswanto; Muzakhar, Kahar; Utarti, Esti; Sutoyo, Sutoyo; Arimurti, Sattya
BERKALA SAINSTEK Vol 9 No 2 (2021)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v9i2.19034

Abstract

Porang tuber (Amorphophallus muellerii BI.) Is a type of tuber that has a high enough glucomannan content of 67%. Glucomannan is very difficult to digest by humans directly so it takes the role of probiotics. L. casei bacteria FNCC0900 as a probiotic agent capable of utilizing glucomannan as a carbon source for growth. The purpose of this study was to determine the growth pattern and changes in environmental factors, namely the pH value of the probiotic bacteria L. casei FNCC0900 growth medium. The parameters in this study consisted of the highest cell density, generation time and pH value changes in Glucose Yeast Peptone Liquid Media, Porang Boiled Water Media and Porang Flour Liquid Media using the drop plate method which had 4 repeated calculations. Porang Boiled Water Liquid Media has a faster log phase period with a higher cell density than Porang Flour Liquid Media, but the shortest generation time is found in Porang Flour Liquid Media with the highest number of generations. L. casei FNCC0900 bacteria are more able to reduce the pH of Glucose Yeast Peptone Liquid Media compared to porang tuber-based media, so in this case L. casei FNCC0900 can be stated to be able to grow on porang tuber-based media with growth patterns, generation time, cell density and pH value. which varies.
AKTIVITAS PROTEOLITIK DAN FIBRINOLITIK ISOLAT BAKTERI DARI PERAIRAN PANTAI PAPUMA KABUPATEN JEMBER Setiawan, Arif; Arimurti, Sattya; Senjarini, Kartika; Sutoyo, Sutoyo
BERKALA SAINSTEK Vol 4 No 1 (2016)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v4i1.4457

Abstract

Berbagai jenis bakteri dari perairan pantai dapat dieksplorasi sebagai sumber penghasil senyawa penting. Sejauh ini, bakteri dari Perairan Pantai Papuma Kabupaten Jember yang memiliki aktivitas proteolitik dan fibrinolitik belum dilaporkan. Tujuan penelitian ini adalah menguji aktivitas proteolitik dan fibrinolitik pada sejumlah isolat bakteri. Metode penelitian meliputi uji aktivitas proteolitik menggunakan Media Skim Milk Agar (SMA) terhadap 23 isolat bakteri dan uji aktivitas fibrinolitik menggunakan Media Fibrin pada isolat yang diketahui memiliki aktivitas proteolitik. Metode uji aktivitas dilakukan secara semikuantitatif. Sebanyak 11 isolat bakteri memiliki aktivitas proteolitik. Isolat bakteri WU 021012* memiliki indeks proteolitik tertinggi yaitu 4,3. Isolat bakteri yang fibrinolitik diperoleh sebanyak 3 isolat. Isolat bakteri WU 021055* memiliki indeks tertinggi sebesar 11.
Co-Authors AA Sudharmawan, AA Adi Sucipto, Adi Agung Nugroho Puspito Ajeng Maharani Sri Pananjung Ajeng Maharani Sri Pananjung, Ajeng Maharani Arif Mohammad Siddiq Arif Setiawan Ayuningtyas, Tantri Raras Azhari, Fitri Dina Amalia Syahidah DINA FITRIYAH Dwi Setyati Eka Putri, Khilwiyah Esti Utarti Evi Umayah Ulfa Farrennina, Tasya Preira Fuad Bahrul Ulum Hari Sulistyowati Hasanah, Lailiyah Maulidatul Ika Oktavianawati Izzay Afkarina Kahar Muzakhar Kartika Senjarini Kholiq, Nur Laensugi, Agatha Dei Gratia Lailiyah Maulidatul Hasanah Lelono, Asmoro Lina Nurita Luthfiah Luthfiah Mukhamad Su'udi Puspito, Agung Nugroho Putri, Amelia Fahreza S Siswanto Safira Isti’nafil Islam Siswanto Siswanto Su'udi, Mukhamad Suharjono Suharjono Suksma, Nadhea Ayu Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo Tabah Wibisono, Hariyo Tanfidz Alishlah, Tanfidz Umayah Ulfa, Evi Wicaksono, Bagus Aji Wimbaningrum, Retno Winarsa, Rudju