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All Journal CHEMISTRY PROGRESS Jurnal Natur Indonesia Techno: Jurnal Penelitian KOVALEN: Jurnal Riset Kimia IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Indonesia Chimica Acta Panrita Abdi - Jurnal Pengabdian pada Masyarakat Jurnal Progres Kimia Sains Al-Kimia Indonesian Journal of Chemistry Jurnal Ilmu Alam dan Lingkungan Chemistry Indonesian Journal of Chemical Research Fullerene Journal of Chemistry Indobiosains Automotive Experiences Jurnal Pengabdian Papua Makara Journal of Science INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Journal of Community Health Provision Molekul: Jurnal Ilmiah Kimia Rafflesia Journal of Natural and Applied Sciences (RJNAS)
Paulina Taba
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Tamalanrea, Makassar, 90245
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary Other

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Journal : Indobiosains

 1 
Optimasi Pertumbuhan Bakteri Laut Penghasil Protease Menggunakan Variasi Konsentrasi Media Skim Milk Modifikasi Anita, Anita; Natsir, Hasnah; Ahmad, Ahyar; Taba, Paulina; Karim, Harningsih
Indobiosains 2025: Volume 7 Nomor 1 Februari 2025
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/indobiosains.v7i1.17822

Abstract

This study aims to analyze the growth rate of marine bacteria producing protease using variations in the concentration of skim milk media and to observe the relationship between cell growth and enzyme activity. The study was conducted using three concentrations of skim milk media (1%, 2%, and 3%) and observation of growth and enzyme activity for 108 hours. The results showed that 1% skim milk concentration produced the largest proteolytic zone diameter (13.8 mm) with the fastest growth (1 day). Observations of cell growth patterns and enzyme activity showed that the highest enzyme activity (0.5933 U/mL) occurred in the early growth phase and decreased in subsequent phases even though cell growth increased. This indicates that there is no linear relationship between cell growth and enzyme activity in marine bacteria-producing protease, where enzyme production and activity are influenced by various complex factors such as physiological conditions of the cells and nutrient availability.
Co-Authors Abd. Wahid Wahab Abdalrazaq, Eid Abdul Karim Abdul Karim Abdul Wahid Wahab Abdul Wahid Wahab Abubakar, Andi Nur Fitriani Ahmad Fudhail  Majid Ahmad Zaini Ahyar Ahmad Alfian Noor Alfian Noor Amin, Ida Ifdaliah Andi Arwita Gau Andi Muhammad Anshar Andi Suciati Andi Yanti Puspita Sari Anita Anita Arfah, Rugaiyah A. Arfiani Nur Astuti, Emmi Azis, Hijrah A. Burhanuddinnur, Muhammad Djabal Nur Basir Djasmawati Mahmud Emma Suryati Fadliah, Fadliah Fatahu, Fatahu Fausan Sullahi Firdaus Firdaus Firdaus Firdaus Firdaus, Firdaus Gappa, Maming Ghanima Yasmaniar Graine Moran Harningsih Karim Harningsih Karim Hasnah Natsir Hasnah Natsir Hasri Hasri Hazirin Zubair Hazirin Zubair, Hazirin Husla, Ridha I Wayan Sutapa Indah Raya Indah Raya Indrawati Patabang Irfandi, Rizal Jarnuzi Gunlazuardi Kasturiasih, Ni Putu Khairunnur, Siti Kollur, Shivaa Prasad Kolo, La La Kalamu, La Yusran La Kolo La Kolo Lestari, Novi Malimongan M Maming Maming Gaffar, Maming Maming Maming Miftahul Jannah Miftahul Jannah Misriyani Misriyani Misriyani Misriyani Muh. Bachri Amran Muhammad Burhannudinnur Muhammad Qaddafi Muhammad Zakir Muhammad Zakir Munadi, Rachmin Musa, Bulkis Nunuk Hariani Soekamto Nunuk Soekamto Nur Afni Nur Haedar NURAENI, ANDI Nuritasari Azis Nurmala Sari Nursiah La Nafie Nursiah La Nafie Nursiah La Nafie Nursiah La Nafie Nursiah La Nafie Parmitha, Nadya Yuli Permatasari, Nur Umriani Prastawa Budi Prastawa Budi Putri, Tri Widayati Ramadani, Ananda Rapi, Prayiska Mariana Ridwan, Irham Pratama Rino R. Mukti Romi Anto Rosalinda Zeniona Maarebia Ruslan Ruslan Russell F. Howe S, Giovanno Alvin Saefuddin ., Saefuddin Sahidin . Sahriani Ali Samriani Samriani Sari, Andi Y.P. Sarlan, Sarlan Seniwati Dali Seniwati Dali Sernita, Sernita SITI HALIMAH LAREKENG, SITI HALIMAH Sopiarini, Putri St. Fauziah St. Fauziah Subandrio Sulistiani Jarre Suriati Eka Putri Syaharuddin Kasim Syahruddin Kasim Syamsiar, Syamsiar Syarifuddin Liong Syarifuddin Liong Ta'bi, Widi Aprilia Tahril Tanasal A.M Tjodi Harlim Triana Febrianti Wahid Wahab, Abdul Widayati Putri, Tri Yasser, M Yusafir Hala Zahra, Audrey Zarlina ., Zarlina