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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 357 Documents
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Ikan Patin: Peluang Ekspor, Penanganan Pascapanen, dan Diversifikasi Produk Olahan Theresia Dwi Suryaningrum
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 3, No 1 (2008): June 2008
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.v3i1.166

Abstract

Ikan patin merupakan komoditas hasil budidayaperikanan yang pasarnya cukup menjanjikan. Dalam  kurun waktu dua  tahun  terakhir  ini, permintaan  ikan patin meningkat dua kali  lipat. Potensi pasar tersebut perlu dimanfaatkan dengan  lebih menggalakkan budidaya  ikan  patin di  Indonesia yang potensi  lahannya  cukup  luas.   Pasar  ikan patin  selama  ini masih  dikuasai Vietnam  dengan ekspor  dalam bentuk  fillet  dan  produk  olahan berbasis surimi. Selain  dipasarkan dalam  bentukfillet,  ikan  patin  sangat  cocok  untuk  diolah menjadi  berbagai macam  produk  berbasis  surimi yang  trend  pasarnya  semakin meningkat.  Ikan  patin  dapat  diolah  secara  tradisional maupun modern  sehingga dapat meningkatkan  nilai  tambah  ikan patin  secara berarti. Akan  tetapi  dalam era  globalisasi  ini,  pemasaran    produk  ikan  hasil  budidaya  ke  berbagai  negara menghadapi banyak  hambatan.  Tantangan  yang  harus  dihadapi  di  pasar  internasional  adalah  produk perikanan  diharuskan memenuhi  persyaratan  yang  cukup  ketat  dalam  hal  kualitas,  keamanan pangan, dan ketertelusurannya (traceability). Dalam  industri pengolahan  ikan patin akan dihasilkan limbah  yang  cukup banyak  yaitu  sekitar  67%  dari  total  ikan  patin.  Limbah  tersebut  dapat diolah dan  dimanfaatkan menjadi  gelatin,  konsentrat  protein,  tepung  ikan,  silase,  atau minyak biodiesel sehingga  dapat memberikan  nilai  tambah  dalam  industri  ikan  patin. Agar  industri  ikan  patin dapat  berkembang di  Indonesia maka diperlukan  dukungan dari  pemerintah,  lembaga  riset, dan swasta  untuk mengembangkan  sentra    budidaya  ikan patin  di  suatu  lokasi.
OPTIMIZATION OF ENZYMATIC HYDROLYSIS OF FISH PROTEIN HYDROLYSATE (FPH) PROCESSING FROM WASTE OF CATFISH FILLET PRODUCTION Bagus Sediadi Bandol Utomo; Theresia Dwi Suryanigrum; Herbert R Harianto
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.v9i3.79

Abstract

An experiment to determine the optimum condition of fish protein hydrolysate (FPH) processing has been conducted to produce FPH with high protein content. The raw material was catfish (Pangasius sp.) waste from catfish fillet production. Fat content, sensory (color, odor and flavor), total number of bacteria (TPC) and E. coli were analyzed as supporting parameters. The experiment was initiated with preliminary experiment to determine the optimum temperature (temp variation: 50oC, 55oC, 60oC, and 65oC) and concentration of commercial papain enzyme (conc variation: 4%, 6%, and 8%) in FPH hydrolysis, while the main experiment was to determine the optimum time of hydrolysis (time variation: 6, 12, 24, 36, and 48 hours), and pH (pH variation: 5 and 7). Results showed that the optimum temperature in preliminary experiment was 60oC and optimum concentration of enzyme was 4%, whereas the main experiment resulted the optimum hydrolysis time of 48 hours and optimum pH of 5. This condition produced FPH with protein content of 1.21% wet weight basis (wb)  or 39.03% dry weight basis (db) and fat content of 0.16% wb (5.16% db). The sensory analysis of the end product revealed that from max score of 5, the scores of color, odor and flavor of the FPH were 3.50, 2.17 and 2.29, respectively. The product had TPC of 1.1x 107CFU/g with no E. coli infection.
Chitosan edible films of shrimp waste as food packaging, friendly packaging. Nurhayati Nurhayati; Agusman Agusman
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 6, No 1 (2011): May 2011
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.v6i1.59

Abstract

In an effort to reduce environmental pollution, edible film chitosan has been developed recentlyto maximize the utilization of shrimp waste and to promote the use of environmentally friendlypackaging. Chitosan is obtained through the process of deproteination, demineralization,depigmentation, and deacetylation of chitin. The next phase is dissolving chitosan in acid solventwith addition of plasticizer, followed by printing and drying. Edible chitosan film is applied as acoating on fresh fruits, meat products, sausages and other food products. The advantages ofedible chitosan film is its biodegradability, edibility, and anti microbial activity.
Quality Changes of Pangasius Fillets During Ice Storage Diah Ikasari; Theresia Dwi Suryaningrum
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.v10i3.134

Abstract

Quality asessment of pangasius (Pangasius hypopthalmus) fillets stored in ice has been conducted. Fish were fasted for one day and slaughtered using bleeding techniques, drained for 10 minutes and filleted in various types of fillet: skin on, skinless, trimmed and untrimmed condition. Fillets were then washed and packed in vacuum plastics, stored in ice (0-4 ºC) for 18 days and observed for its sensory, chemical and microbiological parameters every 3 days. The sensory evaluation was conducted both for fresh or cooked fillets using scoring test on attribute of appearance, odor and texture as well as hedonic test. The chemical parameters observed were proximate; pH and Total Volatile Base (TVB); while microbiological parameter was Total Plate Count (TPC). Results showed that type of fillet did not significantly affect the quality of pangasius fillets. The quality of all treated fillet decreased in line with time of storage, all products were rejected after being stored for 18 days. At the time of rejection, the quality parameters: moisture content ranging from 80.1 to 81.3%, TVB from 11.1 to 11.5 mg N/100g and TPC from 1.41 to 4.6x105 CFU/ml. It is suggested to preserve pangasius fillets in ice less than 18 days.
SCREENING AND CHARACTERIZATION OF L-GLUTAMINASE PRODUCED BY BACTERIA ISOLATED FROM SANGIHE TALAUD SEA Ekowati Chasanah; Usman Sumo Friend Tambunan; Tanti Yulianti
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 3 (2012): December 2012
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.v7i3.6

Abstract

L-glutaminase (L-glutamine amidohydrolase, EC 3.5.1.2) is a very important enzyme due to its role as flavor enhancer and antileukemic agent. Salt-tolerant L-glutaminase produced bymarine bacteria is favorable in food industries. This study describes the screening of L- glutaminase producing marine bacteria from Sangihe-Talaud Sea, North Sulawesi, Indonesia.Screening of L-glutaminase was performed using a liquid medium and identification of selected isolate was  performed using molecular-based 16S rDNA. Results showed that there were 7 isolates produced positive results of L-glutaminase, and one of them (II.1 isolate) produced the highest activity, i.e 147.99 U/L, equivalent to the specific activity of 62.32 U/mg. The isolate then selected for further study. Bacterial identification based on 16S rRNA sequencing has revealed that the isolate was 96% similar to Pseudomonas aeruginosa strain CG-T8. Characterization of extracellular L-glutaminase from the II.1 isolate showed that the enzyme worked optimally at temperature  of 37-45 °C and pH 7. The enzyme was stable when NaCl solution was added up to 8% and  began to decrease on addition of NaCl solution of 16% and 20% with relative activity of 79% and 74%, respectively. The effect of metal ions, e.g Mn2+, Mg2+, and Co2+ in the form of chloride salt, were able to increase enzyme activity, whereas the addition of other metal ions (Zn2+, Fe3+, and Ca2+) decreased the activity. The molecular weights of L-glutaminase was estimated around42 kDa and 145 kDa.
PROSPEK PEMANFAATAN RUMPUT LAUT SEBAGAI BAHAN PUPUK ORGANIK Jamal Basmal
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 4, No 1 (2009): May 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.v4i1.141

Abstract

Rumput  laut tidak  hanya  dapat  digunakan  sebagai  bahan pangan tetapi juga dapat digunakan sebagai pupuk organik karena rumput laut  banyak  mengandung trace mineral (Fe, B, Ca, Cu, Cl, K, Mg, dan Mn) dan juga zat  pengatur  tumbuh (ZPT) seperti auksin, sitokinin, dan giberilin yang berguna untuk memacu pertumbuhan dan meningkatkan produksi tanaman. Kandungan ZPT tersebut banyak terdapat pada thallus (batang) rumput laut dan juga di dalam SAP (konsentrat cair yang mengandung ZPT dan mineral yang berasal dari dalam thallus/xylemcells tanaman) rumput laut. Keistimewaan rumput  laut sebagai pupuk  organik adalah kandungan ZPT nya yang dapat meningkatkan produksi buah, sayuran, bunga, serta memperpanjang usia tanaman. Di samping itu, ZPT juga dapat meningkatkan daya tahan tanaman dari kekeringan, serangan serangga, dan memperbaiki struktur tanah. Penggunaan rumput laut sebagai bahan dasar pupuk saat ini belum banyak dimanfaatkan, sementara estimasi produksi rumput laut Sargassum sp. dan Eucheuma sp. sebesar 482.400 ton/thn. Apabila produksi tersebut terdiri dari 50% Sargassum sp. yang selama ini belum dimanfaatkan dan digunakan sebagai pupuk maka akan dapat mensubstitusi pupuk kimia sebanyak 242.200 Metric Ton (MT), sedangkan  dari rumput laut Eucheuma sp. dengan estimasi produksi 242.200 MT dapat menghasilkan 30% cairan SAP atau setara dengan 72.660 L pupuk cair.
Front Cover Squalen Bulletin Vol. 10 No. 2 Tahun 2015 Squalen Bulletin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 10, No 2 (2015): August 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.v10i2.333

Abstract

Prospects and Health Promoting Effects of Brown Algal-derived Natural Pigments ratih pangestuti; Singgih Wibowo
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 8, No 1 (2013): May 2013
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.v8i1.26

Abstract

Recently, a great deal of interest has been developed to isolate novel bioactive compounds from marine resources. Among marine resources, marine brown algae are considered valuable sources of structurally diverse bioactive compounds such as chlorophylls and carotenoids. Chlorophyll has been known for its antioxidant activity; meanwhile carotenoid is well known for its anticancer and anti-obesity properties. Therefore, marine brown algal-derived natural pigments have great potential for further development of valuable products in nutraceutical, and pharmaceutical areas. This contribution presents an overview of potential health benefits properties, and prospects of natural pigments derived from marine brown algae. Keywords: Marine algae, natural pigments, nutraceutical, pharmaceutical.
The Optimal Conditions of Xylanase Production Using Empty Fruit Bunch Raw Biomass by Marine Isolate LBF-001 Hans Wijaya; Ahmad Thontowi; Nanik Rahmani; Yopi Yopi
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.v11i3.211

Abstract

Several xylanases have already been studied. However, only a few xylanases derived from marine microorganisms has been reported. Marine bacterium LBF-001 was isolated from Pari Island Kepulauan Seribu, Indonesia. The purpose of this study is to identify isolate LBF-001 using 16S rDNA gene and to optimise the medium conditions for the xylanase production i.e. concentration of biomass, nitrogen source, pH and temperature. Based on 16S rDNA gene analyses, LBF-001 isolate has 99% similarity with Bacillus pumilus HNS70 (KF933667). Fermentation process to produce xylanases was conducted using several agricultural residues under solid-state fermentation (SSF). The optimum condition for xylanase production by B. pumilus LBF-001 was using a medium containing  2.5% empty fruit bunch and 0.6% lactose broth, at pH 6.5, temperature 30 oC, under submerged fermentation with shaking at 150 rpm for 48 h fermentation. The optimised condition resulted higher xylanase activity, i.e. 10.85 U/mL.
Biodiesel production from microalgae Botryococcus braunii Sriamini sriamini; Rini Susilowati
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.v5i1.43

Abstract

Increasing energy needs cause diminishing energy resources. This encourages the searchfor renewable energy sources to anticipate scarcity. One of the new energy source is microalgae.Microalgae have a high variation of species and have a great potential to be developed as foodand other chemical products. Microalgae has been developed as a potential source of biodieselto replace petroleum fuels derived from foss ils. Of several microalgae s pecies studied,Botryococcus braunii produces the largest oil content, i.e. 75% dry weight. This paper describessteps of producing oil from B. brauniiwhich includes preparation of microalgae biomass,biomass harvesting, and extraction of oil. Oil content of B. braunii is composed mostly ofhydrocarbons (± 15–76% by dry weight), called botryococcene. This type of hydrocarbon ispotential as an energy source of biodiesel.

Page 8 of 36 | Total Record : 357

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