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All Journal Media Teknologi Hasil Perikanan Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology JE (Journal of Empowerment) KAUDERNI
Dewanto, Didit Kustantio
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Social Sciences

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AKTIVITAS ANTIBAKTERI DARI EKSTRAK JAMUR LAUT Fadilah, Nur; Erawati, Erawati; Nahar, Hendrik; Dewanto, Didit Kustantio
KAUDERNI : Journal of Fisheries, Marine and Aquatic Science Vol 1 No 1 (2016)
Publisher : Sekolah Tinggi Perikanan dan Kelautan (STPL) Palu

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Abstract

A search new antibacterial compounds should continue to be done as a raw material of antibiotics. The purpose of this study, which is to get kind of marine fungi antibacterial activity and get the value of MIC and MBC. The study was conducted from the sampling sponge, marine fungi isolation, extraction, preparation of test bacteria, antibacterial activity testing and analysis of MIC and MBC. Data was analyzed by measuring the diameter of inhibition zone are formed. The results obtained, that debris ethanol fraction from marine fungi J3 can inhibit the growth of E. coli and S. aureus at a concentration of 100 mg/L to 100.000 mg/L. At the debris ethyl acetate fraction able to inhibit concentration of 1.000 mg/L to 100.000 mg/L. At the filtrate ethyl acetate fraction was able to inhibit 10.000 mg/L to 100.000 mg/L. For both types of test bacteria, MIC and MBC values are indicated by the highest debris ethanol fraction and lowest by the fraction of ethyl acetate filtrate.
KEPADATAN ASCIDIACEA (DIDEMNUM MOLLE) DI PERAIRAN PANTAI TASIK RIA, SULAWESI UTARA Dewanto, Didit Kustantio
KAUDERNI : Journal of Fisheries, Marine and Aquatic Science Vol 1 No 1 (2016)
Publisher : Sekolah Tinggi Perikanan dan Kelautan (STPL) Palu

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This research was conducted with the aim of knowing the density of Ascidiacea D. molle located in Tasik Ria, Manado Bay, North Sulawesi. Collecting data and samples using diving equipment (SCUBA) with quadrant and transect method, placed in the 50 meters parallel to the shoreline. The first transect placed at a depth of 5 meters and second transect at a depth of 3 meters. In calculating the density of D. molle using a quadrant with a size of 50 x 50 cm placed on a transect at ten points. Average density D. molle at a depth of 5 meters higher than at a depth of 3 meters and vary in each month. This trend is strongly influenced by various environmental factors are not yet known, so it takes a period of time longer observation with an emphasis on the relationship between environmental factors and the frequency of  attendance D. molle.
POTENTIAL MARINE-DERIVED FUNGI ISOLATED FROM SPONGE IN PRODUCE NEW AND BENEFICIAL COMPOUNDS Tanod, Wendy Alexander; Muliadin, Muliadin; Adel, Yeldi S; Dewanto, Didit Kustantio
KAUDERNI : Journal of Fisheries, Marine and Aquatic Science Vol 2 No 1 (2020)
Publisher : Sekolah Tinggi Perikanan dan Kelautan (STPL) Palu

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Abstract

Marine organisms are a source of natural products and produce compounds with a molecular structure that is unique and useful. Thousands of new compounds have biological activitity for anticancer, antiviral, and antimicrobial. This compounds isolated from various marine organism, including from marine-derived fungi. Investigation of chemical compounds from marine-derived fungi isolated from sponge has increased steadily, indicating the important role of marine-derived fungi in the discovery of drug compounds. The sponge has produced various kinds of fungi, which have reported to provide a variety of pharmacologically active metabolites and structurally diverse. Study literature showed that many fungal genera isolated from the marine sponge dominated the genus Acremonium, Aspergillus, Penicillium, Phoma, and Fusarium. The high proportion of genera and new compounds showed that the fungi isolated from the sponge could develop.
Co-Authors Adel, Yeldi S Aristawati, Anita Treisya Deddy Wahyudi Eko Cahyono, Eko Erawati, Erawati Finarti Finarti, Finarti Frets Jonas Rieuwpassa hanifah hanifah Mohamad Syahril Mohammad Akbar, Mohammad Mubin, Mubin Muliadin, Muliadin Nahar, Hendrik Novalina Maya Sari Ansar NUR FADILAH Pramita, Eka Aji Putra, Masteria Yunovilsa Putut Har Riyadi Renol, Renol Roni Hermawan, Roni Salanggon, Alismi M Samliok Ndobe Ula, Radhiyatul Wendy Alexander Tanod Yana Sambeka