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INDONESIA
Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology
Published by Pusat Litbang Daya Saing Produk dan Bioteknologi Kelautan dan Perikanan
ISSN : 20895690     EISSN : 24069272     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology
Squalen publishes original and innovative research to provide readers with the latest research, knowledge, emerging technologies, postharvest, processing and preservation, food safety and environment, biotechnology and bio-discovery of marine and fisheries. The key focus of the research should be on marine and fishery and the manuscript should include a fundamental discussion of the research findings and their significance. Manuscripts that simply report data without providing a detailed interpretation of the results are unlikely to be accepted for publication in the journal.
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 10, No 1 (2015): May 2015" : 8 Documents clear
Front Cover Squalen Bulletin Vol. 10 No. 1 Tahun 2015 Squalen Bulletin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.336

Abstract

Mechanical Properties and Biodegradability of Acid-soluble Chitosan-Starch Based Film Rachmawati, Novalia; Triwibowo, Radestya; Widianto, Roni
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.132

Abstract

Chitosan-starch blend film showed desirable elongation and oxygen transmission rate (OTR) values and demonstrated rapid degradation in soil burial treatment. The incorporation of higher glycerol concentration lowered tensile strength but increased the amount of transmittable water vapour. The biodegradability of chitosan-starch based film was tested using soil burial test. Chitosan-starch blend films were able to degrade naturally at slightly similar period, ranging from 72–87 days. The addition of glycerol was likely contributed to the high Water Vapour Transmission Rate (WVTR) value which faster the biodegradability of the film in soil. Among different type of acid solutions, lactic acid is less preferable solution to dissolve chitosan as it produced film with poor mechanical properties compared to acetic and formic acid. Based on its mechanical limitation, the film can be used as a coating based film for certain type of fish product, especially product with high lipid content.
Identification and Antimicrobial Activity of Marine Streptomyces from Geographically Different Regions of Indonesia Rofiq Sunaryanto; Anis Herliyani Mahsunah
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.101

Abstract

Identification and antimicrobial assay of indegenous marine Streptomyces have been conducted. Samples were obtained from culture collection of Biotech Center, Agency for the Assessment and Application of Technology (BPPT). They were originated from several Indonesian seashores including Pelabuhan Ratu, Pangandaran, Manokwari, Pulau Seribu, Garut, Bangka, Banjarmasin, Belitung, Cirebon, and Palu. Isolates stored as glycerol stocks were inoculated onto HV (Humic acid vitamin) agar and incubated for 5 days at 30 °C. Each colony was cultivated using yeast-peptone medium and then extracted by butanol. Antimicrobial activities were monitored by the agar diffusion paper-disc method against Escherichia coli ATCC 25922, Staphylococcus aureus ATCC 25923, Bacillus subtilis ATCC 66923, Pseudomonas aeruginosa ATCC 27853, Candida albicans BIOMCC 00122 and Aspergillus niger BIOMCC 0013. Molecular identification of Streptomyces was carried out based on 16S rRNA gene analysis. Our research results showed that 71 isolates obtained from several Indonesian seashore were identified as 57 different Streptomyces species. Fifty of them showed antimicrobial activity. Twenty three isolates inhibited B. subtilis ATCC 66923, 14 isolates inhibited S. aureus ATCC 25923, 24 isolates inhibited C. albicans BIOMCC 00122 and 26 isolates inhibited A. niger BIOMCC 0013 and there was no active isolates inhibited the growth of E. coli ATCC 25922 and P. aeruginosa ATCC 27853. Phylogenetic analysis showed that Streptomyces isolates originated from the same geographically region was not necessarily grouped into the same cluster. Likewise a phylogenetic cluster may contain isolates of the same Streptomyces species, but from geographically different locations.
Back Cover Squalen Bulletin Vol. 10 No. 1 Tahun 2015 Squalen Bulletin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.338

Abstract

Screening of Significant Variables for Sliced Frying Fish Ball using Plackett–Burman Design Syamdidi Syamdidi; Theresia Dwi Suryaningrum
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.115

Abstract

Screening of significant variables of Sliced Frying Fish Ball (Basreng) has been conducted using Plackett-Burman Design, a statistical method commonly used to reveal the significance of variables in the product development. Four variables were selected namely tapioca flour, potato flour, fish, and frying time. Twelve formulations were peformed and the final products were analyzed for their sensory and texture parameters. Six responses were chosen (appearance, color, odor, taste, texture, overall acceptance and hardness) and then evaluated based on their significance, coefficient value and ranking test through appropriate statistical analysis. The result showed that four variables gave positive and negative effects to the products. Based on overall ranking test, tapioca flour was placed at the first place meaning that it had highest desirable properties followed by frying time, potato flour, and fish flesh. The overall rank test for each ingredient and the attributes provided a reliable data/information to select the most compatible ingredients for further optimization experiment.
Chemical Composition and Fatty Acid Profile of Some Indonesian Sea Cucumbers Yusro Nuri Fawzya; Hedi Indra Januar; Rini Susilowati; Ekowati Chasanah
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.118

Abstract

Indonesia has a great sea cucumber resource which is useful as functional food. Even though much information about the biopotency of sea cucumbers have been published, however, studies on nutrition value of Indonesian sea cucumbers are still beneficial due to the great diversity and uniqueness of each species. The present work was  intended to obtain information about chemical composition and fatty acid profile of 4 (four) types of sea cucumbers which are frequently found in Halmahera water, North Maluku (Molucca),  one  of  sea  cucumbers  producing area  in Indonesia. The samples coded as  H-03, H-04, H-05 and H-10, were identified as Bohadschia  argus, Holothuria  fuscogilva, Thelenota  ananas, and Actinophyga lecanora. All sea cucumbers showed high protein content, more than 60% (drybase/db), except for T. ananas which had the lowest protein content (48.26% db). As for fats, T. ananas showed the highest amount (2.35%db) with dominated saturated fatty acids (SFA). On the other side, A. lecanora showed higher value of PUFA compared to SFA and MUFA.  Palmitic acid (C16:0) was the most abundant SFA in the most samples with the amount of 0.49–4.9 mg/g sample. Among PUFA, eicosapentaenoic acid/EPA (C20:5n3) was detected, and eicosatrienoic acid (C20:3n6) was relatively higher than the others. The ratio of w6/w3 fatty acid was 1.2–3.2 showing that total w6 fatty acid was higher than total w3 fatty acid. However, this value is safe enough to protect against chronic and degenerative diseases.
Capturing Natural Product Biosynthetic Pathways from Uncultivated Symbiotic Bacteria of Marine Sponges Through Metagenome Mining: A Mini-Review Agustinus Robert Uria
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.131

Abstract

Symbiotic bacteria associated with marine sponges have frequently been proposed as the true producer of many bioactive natural products with potent anticancer activities. However, the majority of these complex symbiotic bacteria cannot be cultivated under laboratory conditions, hampering efforts to access and develop their potent compounds for therapeutic applications. Metagenome mining is a powerful cultivation-independent tool that can be used to search for new natural product biosynthetic pathways from highly complex bacterial consortia. Some notable examples of natural products, in which their biosynthetic pathways have been cloned by metagenome mining are onnamide A, psymberin, polytheonamides, calyculin, and misakinolide A. Subsequent expression of the pathways in easily culturable bacteria, such as Escherichia coli, could lead to the sustainable production of rare promising natural products. This review discusses principles of metagenome mining developed to gain access to natural product biosynthetic pathways from uncultured symbiotic bacteria of marine sponges. This includes detecting biosynthetic genes in sponge metagenome, creating large metagenomic library, rapid screening of metagenomic library, and clone sequencing. For many natural products made by modular polyketide synthases (PKSs) and hybrids with non-ribosomal peptide synthetases (NRPSs), their biosynthetic pathways as well as structures of final products can be predicted with high accuracy through bioinformatic analysis and sometimes combined with functional proof. Further metagenome sequencing integrated with single-cell analysis and chemical studies could provide insights into the remarkable biosynthetic capacity of uncultivated bacterial symbionts, thereby facilitating the discovery and sustainable production of a wide diversity of sponge-derived complex compounds.
Preface Squalen Bulletin Vol. 10 No. 1 Tahun 2015 Squalen Bulletin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 1 (2015): May 2015
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v10i1.337

Abstract

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