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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 363 Documents
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Back Cover Squalen Bulletin Vol. 10 No. 3 Tahun 2015 Bulletin, Squalen
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 3 (2015): December 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.v10i3.331

Abstract

Preface Squalen Vol 11 no 1 fransiska, dina
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 11, No 1 (2016): May 2016
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

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

Abstract

Alginates modification and the prospective uses of their products. Subaryono Subaryono
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 5, No 1 (2010): May 2010
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.v5i1.40

Abstract

Alginate is a natural hydrocolloid that is used in food and non food industries. The weakness ofnative alginate cause the limited uses of this material in industry. Some weaknesses of nativealginate had been successfully overcome either by the modification of alginate structure orinteraction of alginate with another substances. The low solubility of alginate and its low stabilityagainst acid had been successfully resolved with esterification of alginate backbone with propyleneglycol, producing propylene glycol alginate (PGA). The high syneresis of alginate gel had beensuccessfully overcome with partial hydrolysis, producing short chain alginate, introduce shortchain polyguluronate and interact alginate with other substances such as locust bean gum (LBG).Alginate hydrophilic properties could be changed into amphiphilic by long alkyl chain substitutiontowards part of the polysaccharides group. The ability of alginate to promote the growth of probioticbacteria could be done by enzymatic hydrolysis of alginate using alginate lyase producingalginate oligosaccharides (AOS). The modification of alginate had opened the big opportunity forthe uses of alginate and its derivatives, both in food and non food sectors.
PEMANFAATAN LIMBAH INDUSTRI KARAGINAN UNTUK MENGHASILKAN PRODUK BERNILAI TAMBAH Assadad, Luthfi
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 4, No 3 (2009): December 2009
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.v4i3.156

Abstract

Tingginya permintaan produk rumput laut untuk memenuhi berbagai kebutuhan industri berdampak  pada berkembangnya industri pengolahan rumput laut, diantaranya industri karaginan. Hasil samping industri pengolahan rumput laut berupa limbah yang mengandung selulosa, senyawa alkali, senyawa organik serta zat-zat pengotor. Limbah yang tidak ditangani dan dikelola dengan baik dapat mencemari lingkungan dan merugikan kehidupan manusia. Menyikapi hal ini, maka perlu dilakukan usaha untuk memanfaatkan limbah industri karaginan agar  tidak  mencemari  lingkungan  dan  bermanfaat bagi manusia. Beberapa potensi pemanfaatan limbah industri karaginan antara lain sebagai media pertumbuhan jamur tiram, papan partikel, kertas, pakan ternak, dan pupuk organik.
MICROBIAL TRANSGLUTAMINASE: SOURCE, PRODUCTION AND ITS ROLE TO IMPROVE SURIMI PROPERTIES Dewi Zeswita Zilda
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 9, No 1 (2014): May 2014
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.v9i1.82

Abstract

Transglutaminases (EC 2.3.2.13) have attracted a wide interest from both scientific and appliedpoints of view due to their capacity to cross-link protein substrates. Obtaining transglutaminasesderived from animals are extremely high cost process, which has hampered its wider applicationuntil the discovery of transglutaminase produced by microorganisms. In the early 1990, sincemicrobial transglutaminase have been found, many transglutaminase-producing microbial strainshave been isolated and the enzyme production processes have been optimized. This resulted in the increased uses of transglutaminases in the food industries. In the fisheries industry, MTGasehas successfully been used to improve the mechanical properties of surimi from various fishes.
DESALINATION OF CHITOOLOGOSACCAHARIDES USING GEL FILTRATION AND ULTRAFILTRATION Pujoyuwono Martosuyono; Asri Pratitis; Alexander Prasetya; Elisabeth Kartika Prabawati
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 9, No 3 (2014): December 2014
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.v9i3.110

Abstract

Chitooligosaccharide (COS) , which is a derivative product from chitosan, has recently been used as a functional food because it has antimicrobial, antifungal, and antitumor properties. The salt content in chitooligosaccharide is one of the main problems in application as functional food or pharmaceutical medicine. The aim of this study was to remove salt from COS with two desalting techniques and determine the variation of COSs in the product. The desalting technique used were dialysis with 10kD Molecular Weight Cut Off (MWCO) and gel filtration chromatography HiPrep 26/10 desalting with G-25 Superfine Sephadex as stationary phase in the column. In order to detect the presence of COS, Thin Layer Chromatography (TLC) method was used, followed by Matrix-Assisted Laser Desorption-Ionization Time-of-Flight Mass Spectrometry (MALDI–TOF–MS) to detect low concentration of COS. Qualitative and quantitative analysis of salt presence were identified using silver nitrate and Volhard method respectively. Ash content was measured using gravimetric method. Results showed those dialysis and gel filtration chromatographies were successfully remove the most of the salt from COS with efficiency of desalting up to 100%. However, the best desalting technique was gel filtration chromatography HiPrep 26/10 which has more complete COS with various degrees of polymerization present in the result.
Production of Poly(3-Hydroxybutyrate-Co-3-Hydroxyvalerate) by Marine Archaea Haloferax mediterranei Dsm 1411 with Yeast Extract As Nutrient Source Susiana Melanie; James Winterburn
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 12, No 3 (2017): December 2017
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.v12i3.314

Abstract

In many countries, most of household goods are made from polymer or plastic. The polymer manufacturing industry has been relying on fossil fuel-based raw materials which are non-biodegradable. Plastics derived from these non-biodegradable sources will be difficult to degrade in nature, which in turn will pollute the environment and harm the ecosystem. One way to reduce the ecosystem damages caused by petroleum-based plastic is by using biodegradable materials for plastic industry, such as Polyhydroxyalkanoates (PHA). Poly (3-hydroxybutyrate-co-3-hydroxyvalerate) or PHBV is an example of PHA that can be produced by several types of microorganism, one of them is marine archaea Haloferax mediterranei. The objective of this study is to determine the productivity of marine archaea H. mediterranei cultures to produce PHBV with yeast extract as main nutrient sources. Experiments and analysis were conducted in triplicate and batch operating system. During the fermentation process, optical density, glucose levels, phosphorus levels, pH, and dry cell weight (DCW) were observed. The final product was then analysed using GC-MS to determine 3HB (3-hydroxybutyrate) and 3HV (3-hydroxyvalerate) fraction composition in the PHBV. The results showed that the maximum specific growth rate (m) and doubling time (Td) of the H. mediterranei were 0.1258 hours-1 and 5.51 hours, respectively. H. mediterranei biomass increased until it reached stationary phase after 95 hours incubation. The PHBV content, dry biomass and yield of PHBV to substrate were 2.62 g/L, 29.1% and 0.27 g/g, respectively.
Preface Squalen Bulletin Vol. 11 No. 3 Tahun 2016 Squalen Squalen
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 11, No 3 (2016): December 2016
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.v11i3.321

Abstract

Teknik Peningkatan Performa Enzim Asal Mikroba Laut yang Tidak dapat dikultur Agustinus Robert Uria; Dewi Seswita Zilda; Yusro Nuri Fawzya
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 1, No 1 (2006): December 2006
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.v1i1.72

Abstract

Tingginya keanekaragaman dan kelimpahan mikroba laut menunjukkan potensinya sebagai sumber paling menjanjikan untuk penemuan produk alami yang bernilai industri.  Di antara berbagai bentuk produk alami, enzim termasuk paling diminati dalam dunia industri baik dalam industri kimia, farmasi maupun makanan.  Hal ini berkenaan dengan peranannya sebagai katalis yang ramah lingkungan, ekonomis dan bersih (Wahler Reymond, 2011).
Investigation on Antioxidant Compounds from Marine Algae Extracts Collected from Binuangeun Coast, Banten, Indonesia Muhammad Nursid; Endar Marasskuranto; Karren Budi Atmojo; Mulyo Pandu Hartono; Maria Diyah Nur Meinita; Riyanti R
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 11, No 2 (2016): August 2016
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.v11i2.243

Abstract

Marine algae contains bioactive secondary metabolites that  have potential to be developed as antioxidant. The aims of  this research were to investigate antioxidant activity and total phenolic compound of marine algae collected from Binuangeun Beach, Banten and to characterize antioxidant compounds from selected algae species. Antioxidant activity was determined by 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) assay and Ferric Ion Reducing Antioxidant Power (FRAP) Assay, while total phenolic content was estimated by Folin-Ciocalteau method. Isolation of bioactive antioxidant compound was performed using SiO2 column chromatography and preparative high performance liquid chromatography (HPLC). The antioxidan activity evaluation was conducted to methanol extracts  from 20 species (7 Chlorophyta, 9 Phaeophyta and 4 Rhodophyta). Results showed that Padina australis extract was found to be the most active. The major bioactive antioxidant compound was identified as fucoxanthin and a polar compound that was suspected as phenolic compound. The extracts of P. australis presented the highest phenolic content (58.59 mg GAE/g). A significant correlation between antioxidant capacity and total phenolic content was found, indicating that phenolic compounds are the major contributors to the antioxidant properties of P. australis.

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