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Journal : Jurnal Perikanan dan Kelautan

Antibacterial Activities of Soft Coral Extract Lobophytum sp. Towards Pathogenic Bacteria (Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa) May Juna Tanjung; Dessy Yoswaty; Irwan Effendi
Jurnal Perikanan dan Kelautan Vol. 25 No. 2 (2020): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.25.2.151-157

Abstract

Soft coral extract of Lobophytum sp. can inhibit the growth of pathogenic bacteria with a weak to very strong category. The purpose of this study was to determine the activity of Lobophytum sp. against pathogenic bacteria Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa and analyze the concentration of Lobophytum sp. effective against pathogenic bacteria E. coli, S. aureus, and P. aeruginosa. Sampling was carried out in the waters of Pigago Island, West Pasaman Regency, West Sumatra. This research method is an experimental method and antibacterial activity test is carried out with agar diffusion diffusion technique. This soft coral extract has the potential to inhibit pathogenic bacteria. The highest inhibitory effect on E. coli bacteria was the highest yield at a concentration of 100% with a yield of 13.95 mm, in the S. aureus bacteria the highest yield at a concentration of 100% with a yield of 12.53 mm and in P.aeruginosa bacteria at a concentration of 100% was 23.87 mm.
Growth Analysis of Single Cell Protein (PST) Bacteria Bacillus cereus using Different Media Mutiara Naimi Nasution; Feliatra Feliatra; Irwan Effendi
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.47-53

Abstract

The Media is a material consisting of a mixture of nutrients used by microorganisms to grow and breed. Molasses and liquid waste know one of the alternative media which has the least inexpensive carbon source and is easily obtained from the waste food industry that is rich in nutrients and minerals, so it has the potential for bacterial growth of Bacillus cereus. The consetration of molasses used for growth medium is 1%; 1.5%; and 2% while liquid waste knows 8%, 10%, and 12%. Cell growth is measured by the method of Spectrophotometry, total plate count (TPC) and biomass while the incubation period of cell growth is measured every 0, 6, 12, 18, and 24 hours. The results showed from the molasses + skim milk and the tofu liquid waste + skim milk, the best medium of bacterial cell growth of B. cereus is a liquid waste know isolates K 12%. While the best growth concentrations molasses Medium bacterial B.cereus was N2% and K2%.
Co-Authors abmi, cyndy Afrizal Tanjung Afrizani, Syafrinaldi Ahmed Al-Harbi Akbar, Sidiq Malik Andesca, Yofi Devara Andika Rismayanti Hadi ANDIKA SAPUTRA Anwar, Sagita Aqil Fikar Rivai Aras Mulyadi Arrafiqur Rahman Batubara, Ummi Mardhiah Bintal Amin Cahyani Fitrah Tanjung Christine M Situmeang Claudia, Kristiwany Mayneke Daulay, Anita Diah Permata Sari Dessy Yoswaty Dessy Yoswaty Dessy Yoswaty Desy Mutia Sari Dewan Pratama Novian Dimas Gusriansyah Dimas Gusriansyah Eddiwan Kamaruddin Efriyeldi, Efriyeldi Elizal Elizal Elizal, Elizal Eriani, Eti Eza Buana Fatwa Eza Buana Fatwa Fahmi, Adzra Ariesta Farma, Elmi Aulia Fathoni, Ahmad Yusron Feliatra Feliatra, Feli Fiki Harjuni Ghifari, Muhammad Fadil Gusriansyah, Dimas Halima, Asyatul Hanies Ambarsari Hanryani, Putri Henni Syawal Henny Syawal Henny Syawal HERI SYAHFITRI Ida Ayu Eka Putri Yuliandari Ilham Ilahi Indra Lesmana Indra Suharman Irvina Nurachmi Irvina Nurrachmi Ita Widowati Joko Samiaji Judita Grace Merry Nainggolan Jusup Suprijanto Lubis, Nur Aisyah Lufita Nur Alfiah Mardalisa, Mardalisa MARTONO MARTONO Masdini, Alvira Masjudi, Heri May Juna Tanjung Mega Novia Putri Mega Novia Putri Mega Novia Putri Mochammad Sukedi Moritania, Rizky Muhammad Aliv Kusuma Putra Muhammad Aliv Kusuma Putra Muhammad Arief Wibowo Muhammad Hafizh Muhammad Razali Muhammad Rizal Razman Muhson, Nanang Mukti, Pranata Rangga Mutia Dhiya Amani Mutia Dhiya Amani Mutiara Naimi Nasution Nasution, Nisfi Maulidia Nicholas Renaldo Ningsih, Irma Ardila Nisfi Maulidia Nasution Nuraini Nuraini Nursyafni Nanggola Nursyirwani Nursyirwani Nursyirwani Nursyirwani Nursyirwani, Nursyirwani Nyoto Okta Rizal Karsih Okta Rizal Karsih Parbo, Annisa Presti Povy Hutabarat Pulungan, Amar Doli Purba, Thadeus Mariode Triputra Purwantoro - Putra, Muhammad Hendra Putri, Mega Novia Rady, Rady Rika Permata Sari Rika Permata Sari Riswan, M Rita Wijaya Rita Wiyati Riza, Subkhan Roiman Pakpahan Ronal Kurniawan Ronal Kurniawan Ruthmawati, Abigael Serly Silviyanti Sibarani, Michael Parluhutan Jupiter Silitonga, Lamtiur Rotua Siti Ardiah Soni Sanjaya Soni Sanjaya Sony Sanjaya Sri Wahyuni Sri Wahyuni Suryadi Saputra Suryadi Saputra Syafruddin Nasution Syahputra, Tomi Syahril Nedi Syaputry Lita Yanti T. Budiardi Tampubolon, Kristanti Tanjung, Cahyani Fitrah Tengku Rany Oktaviany Tengku Rany Oktaviany Thamrin Thamrin Tomi Syahputra Tri Vani Bernadetha Ginting Tubagus Hasanuddin Ulfi Laili Astika Ulfi Laili Astika Usman Muhammad Tang Valentina Dian W. Cahyaningrum Windarti Windarti Windarti Windarti Windarti Windarti Yetti Elfina Yudia Anggun Kirana ZULKIFLI ZULKIFLI Zulkifli Zulkifli