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Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology
ISSN : 20895690     EISSN : 24069272     DOI : -
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.
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Articles 8 Documents
Search results for , issue "Vol 16, No 1 (2021): May 2021" : 8 Documents clear
Preface Squalen Bulletin Vol. 16 No. 1 Tahun 2021 bulletin, squalen
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.v16i1.562

Abstract

The Effects of Garlic Oil and Tartaric Acid on the Quality of Shrimp Stored at 4°C Md Noordin, Wan Norhana; Shunmugam, Nannthini; Adzitey, Frederick; Huda, Nurul
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.448

Abstract

The objectives of this study were to determine the effects of garlic oil (GO) and tartaric acid (TA) on microbiological, pH, and Thiobarbituric Acid Reactive Substances (TBARS) (lipid peroxidation) of shrimp stored at 4°C. Shrimp of 2 kg were dipped in GO and TA solutions at 1:2 shrimp/treatment solutions (w/w) for 30 min under 25ºC. Sodium metabisulfite (MBS) and sterile distilled water (dH20) were used as positive and negative controls, respectively. Shrimp were drip-dried for 5 min, packaged, and stored in a chiller (4°C) for 10 days. The shrimp were analysed on days 0, 3, 5, 7, and 10. Total aerobic plate count, psychotropic bacteria count, Listeria monocytogenes, Salmonella enterica serovar Typhimurium (S. Typhimurium) and Vibrio parahaemolyticus counts ranged from 3.52-8.73 log CFU/g, 3.30-5.16 log CFU/g, 3.48-7.60 log CFU/g, 3.42-6.34 log CFU/g and 3.48-5.55 log CFU/g, respectively. The pH of shrimp ranged from 6.64 to 8.03. The pH of shrimp dipped in MBS (7.70) and TA+GO (7.70) was lowest at the end of storage period. TBARS values ranged from 0.70-2.66 and TBARS values for shrimp treated with MBS (1.83) were lowest at day 10. In general, microbiological counts, pH and TBARS values of sample treated with TA+GO increased with storage time, however comparable to MBS. Treatment of shrimp with GO and TA could inhibit the growth of foodborne pathogens. The pH of the test and control shrimp were similar on day 10. Lipid peroxidation was lowest for TA and MBS treated shrimp by day 10.
Back Cover Squalen Bulletin Vol. 16 No. 1 Tahun 2021 squalen bulletin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.v16i1.563

Abstract

Optimization of Chitosan Concentration on the Quality and Shelf Life of Frozen Rohu (Labeo rohita) Fillets Faria Afrin; Md. Golam Rasul; Murshida Khan; Taslima Akter; Chunhong Yuan; A. K. M. Azad Shah
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.504

Abstract

A natural product such as chitosan promotes health benefits and extends the shelf life of the processed products. Chitosan has been used as a food additive due to its antioxidant and antimicrobial activities. This study was conducted to optimize the chitosan concentration as a coating agent on the quality and shelf life of Labeo rohita fillets during frozen storage. Chitosan (CH) solutions were prepared with 0.5 %, 1 %, and 2 % (w/v) CH in 1 % (v/v) glacial acetic acid for coating application. The control (0% CH) and CH treated fish fillets were stored at -18 °C for 14 weeks and assessed for chemical (pH, thiobarbituric acid reactive substances (TBARS), total volatile basic nitrogen (TVB-N), and K-value), microbiological (aerobic plate count (APC)), and sensory properties. The pH, TBARS, and K-value of 1 % and 2 % CH treated fish fillets were acceptable up to 14th week of storage, while TVB-N value was permissible up to 12th week of  storage.  After 14th  week of  storage, the APC of control, 0.5 %, 1 %, and 2 % CH treated fillets were 7.18 log CFU/g, 5.02  log CFU/g, 4.13 log CFU/g, and 3.21 log CFU/g, respectively. The  fish  fillets treated with 1 % and 2 % CH had acceptable sensory attributes up to 12th week, while control fillets were unacceptable after the 6th week of storage. This study demonstrated that 1% CH could be used as a natural additive for keeping the quality and extending the shelf life of L. rohita fillets during frozen storage.
Front Cover Squalen Bulletin Vol. 16 No. 1 Tahun 2021 Bulletin Squalen
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.v16i1.561

Abstract

Heat Resistance of Probiotic Candidate Enterococcus faecalis R22B in Different Matrices Shanti Dwita Lestari; Rinto Rinto; Indah S Wahyuni; Sherly Ridhowati; Wulandari Wulandari
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.497

Abstract

Fermented fish, including rusip and bekasam, contains lactic acid bacteria, some of which have probiotic properties. Considering the beneficial effect, the count of viable cells in probiotic carrier foods must be at least 106 CFU/g throughout the product shelf-life. The processing and storage condition significantly affect the viability of probiotics in carrier foods. This research was conducted to determine the heat resistance of probiotic candidate Enterococcus faecalis R22B isolated from rusip in three different media: bekasam, rusip, and physiological saline solution (NaCl 0.85%). E. faecalis R22B was heated in each medium at a temperature of 70 °C for 0, 2, 4, 8, and 12 min. The media characteristics showed differences within the parameters included pH values of 4.41-6.99; aw 0.67-0.92; moisture content 72.56-98.09%; ash content 0.69-12.32%; protein content 0-14.7%; fat content 0-0.84%; and carbohydrate content from 0-4.93%. The results showed that the difference in the heating medium had no significant effect (p0.05) on the heat resistance of the bacteria, as indicated by the D70 value. The required average heating time at 70 oC to decrease E. faecalis R22B cells by 1log10 (D70 value) in bekasam, rusip, and physiological saline media were 3.17, 3.29, and 3.55 min, respectively. Despite having a lower DT-value, the reduction of bacteria cells in three media heated at 70 oC showed no difference (p0.05); therefore, bekasam and rusip are suitable for probiotic carrier food.
Occurrence and Source Apportionment of Polycyclic Aromatic Hydrocarbons (PAHs) in Green Mussel (Perna viridis) from Cilincing Waters of Jakarta Bay, Indonesia Deny Yogaswara; Tri Partono; Awalina Satya
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.484

Abstract

Green mussels (Perna viridis) as sedentary organisms have been adopted as bioindicators in the marine environment for many decades. They have been potentially affected by anthropogenic activity and organic contaminants such as polycyclic aromatic hydrocarbons (PAHs) in an aquatic environment. This study aims to determine concentration, distribution and potential sources of PAHs in green mussel biomass obtained from Cilincing waters, Jakarta Bay. Fresh green mussels were collected from aquaculture facilities at Cilincing waters of Jakarta Bay with various size categories of shell length and were extracted with solvent n-hexane-dichloromethane mixture using Soxhlet method. The concentrate of sample extract was purified using silica gel/sodium sulfate anhydrous with n-pentene-DCM effluent in fractionation. Finally, the purified sample was injected into the GC-MS instrument. The result showed that the highest concentration of total PAH (TPAH) was 126.47 ng.g-1 wet weight (ww), founded in the guts from the biggest group of green mussel (length of 6.00 to 7.99 cm), and     3-aromatic rings were predominantly detected in all group sizes of green mussel. The result of the   LMW/  HMW and diagnostic binary ratio indicated that PAH contamination is caused by a mixed source of petrogenic and pyrogenic processes. It may be due to the presence of oil spilled and petroleum waste from shipyard and cargo activities and atmospheric deposition. Based on excess cancer risk (ECR) value and the concentration level of PAH carcinogenic according to National Agency of Drug and Food Control (BPOM) regulation, PAH level in green mussels are acceptable and minor negative impact due to typical human consumption. Nevertheless, it needs to be circumspect to exploiting green mussels as seafood resources for daily consumption due to the carcinogenic content.
Bioactive Compounds, Cosmeceutical And Nutraceutical Applications of Green Seaweed Species (Chlorophyta) Muhammad Taher; Fatin Syazwani Ruslan; Deny Susanti; Normawaty Mohammad Noor; Nurul Iman Aminudin
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 1 (2021): May 2021
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.514

Abstract

Seaweeds are valuable marine plants that have garnered much attention from the public due to their high bioactive, nutrients and minerals content. Seaweeds have been used in multiple applications, including in cosmeceutical, nutraceutical and pharmaceutical industries. Nevertheless, this review will focus on the bioactive compounds of Chlorophyta and their potential application in nutraceutical and cosmeceutical industries. Chlorophyta are believed to possess a significant amount of nutrients and minerals, sufficient to meet the daily requirements of nutrients and minerals in the human body.  Considering the nutritional aspect, deficiency in nutrients may lead to severe ailments, including heart disease, neurological disorder and cancer. The main compounds studied in this review are polysaccharides, proteins, amino acids, lipids, fatty acids, pigments, minerals, vitamins and secondary metabolites. Among all, polysaccharides are the most exploited compounds and used in many advanced applications in the nutraceutical and cosmeceutical industries. This review also offers insights into the beneficial biological properties of Chlorophyta, highlighting their potential in cosmeceutical and nutraceutical applications. Further research is required to highlight the Chlorophyta sp. aquaculture, its extraction method, and the most targeted bioactive compounds from the species. Therefore, the challenge is to increase public awareness of the promising application of this species in the nutraceutical and cosmeceutical  industries.

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