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All Journal Indonesian Journal of Pharmaceutical Science and Technology Science and Technology Indonesia Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Warta AKAB Makara Journal of Science
Singgih Wibowo, Singgih
Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Physics

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Macronutrient Analysis Of Crab Meat Analogue Made From Non-Consumable Fish With Alginate Addition Sinurat, Ellya; Wibowo, Singgih; Fransiska, Dina
Indonesian Journal of Pharmaceutical Science and Technology Supp 1, No 1 (2017)
Publisher : Indonesian Journal of Pharmaceutical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (507.044 KB) | DOI: 10.15416/ijpst.v1i1.10434

Abstract

The crab meat analogue products using alginates and proteins such as soybean. A mixture of sh added alginate croslinking with calcium chloride making gel and water retention. The purpose of this study to analysis macronutrient from the effects of alginate addition to the characteristics of the crab meat analogue. The formulation was made from the combination of alginate from Sargassum sp. The formulation was applied to the surimi from silver giddy (Gerres Kapas Blkr) to make crab meat analogue with different concentrations (0.25%, 0.5%, 0.75%, 1%). Parameters used to study the effects were moisture content, total ash, protein content, fat content, thiobarbituric acid value and sensory evaluation. The chemical analysis, moisture content, and ash content analysis showed a signi cant difference among the treatments, while the thiobarbituric acid value showed no difference among the samples. Based on sensory evaluation, the most preferred product was formula A (0.25% alginate) in terms of texture, taste, juiciness and overall acceptance with the characteristics of 2.47% ash content, 75.98% moisture content, 0.47% fat content, 12. 07% protein content, thiobarbituric acid value of 0.69 μmol/g. Keyword : crab meat analog, alginate, macronutrient, non consumable, Sargassum sp. 
Produksi Kitin Skala Pilot Plant dari Cangkang Rajungan (Portunus spp.) Putro, Sumpeno; Syamdidi, Syamdidi; Wibowo, Singgih
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 2, No 1 (2007): Juni 2007
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jpbkp.v2i1.25

Abstract

ABSTRAKPenelitian ini dimaksudkan untuk mencari konsentrasi NaOH teknis (technical grade) dan waktu ekstraksi optimum dalam proses pengolahan kitin dari limbah cangkang rajungan (Portunus spp.) skala pilot plant. Beberapa penelitian terdahulu menunjukkan bahwa NaOH merupakan bahan kimia yang efektif dalam proses deproteinasi cangkang rajungan, namun harganya cukup mahal. Untuk skala besar, maka perlu digunakan NaOH teknis yang harganya lebih murah. Karena NaOH teknis mempunyai tingkat kemurnian yang lebih rendah, maka perlu dilakukan penyesuaian konsentrasi yang diperlukan, agar tercapai efiensi usaha, dalam arti kualitas produk terjamin, tetapi biaya produksi dapat ditekan. Berdasarkan hasil penelitian bahwa untuk pembuatan kitin diperlukan NaOH p.a. (pro analysis grade) sebanyak 3%, penelitian ini didesain dengan menggunakan NaOH teknis dengan konsentrasi 3,5%, 5% dan 6,5% dan waktu perendaman 2 dan 3 jam. Hasil penelitian skala pilot plant ini menunjukkan bahwa penggunaan NaOH teknis dengan konsentrasi 3,5%, 5% dan 6,5% dan waktu perendaman selama 2 dan 3 jam tidak berpengaruh nyata terhadap rendemen kitin yang dihasilkan. Dari uji coba skala pilot plant ini dapat disimpulkan bahwa proses deproteinasi cangkang rajungan yang paling optimal adalah dengan menggunakan larutan NaOH teknis 3,5% selama 2 jam. Rendemen kitin yang dihasilkan cukup tinggi (13,3%) dan mutunya sesuai dengan standar yang berlaku di pasar internasional.
Studi Sifat Fisiologi Ikan Gurami (Osphronemus gourami) Pada Suhu Rendah untuk Pengembangan Teknologi Transportasi Ikan Hidup Syamdidi, Syamdidi; Ikasari, Diah; Wibowo, Singgih
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 1, No 1 (2006): Juni 2006
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jpbkp.v1i1.233

Abstract

Tulisan ini melaporkan tentang studi sifat fisiologi ikan gurami dalam media air yang suhunya diturunkan secara bertahap sebagai dasar penyusunan teknologi transportasi ikan gurami hidup. Metode yang dilakukan adalah dengan menurunkan suhu media air secara bertahap dengan kecepatan 5oC/jam sampai ikan gurami tidak menunjukkan tanda-tanda kehidupan. Pengamatan dilakukan terhadap aktivitas dan metabolisme (respirasi dan produksi metabolit) ikan. Hasil studi menunjukkan bahwa respirasi dan metabolit ikan gurami cenderung menurun seiring dengan makin rendahnya suhu, terutama setelah suhu mencapai 23,6oC. Pada awal penurunan suhu terjadi sedikit peningkatan respirasi (dari 168,0 menjadi 177,6 mg O2/kg ikan/jam) kemudian turun dan mencapai titik terendah (1,6 mg O2/kg ikan/jam) pada suhu 13,6oC. Pola produksi metabolit serupa dengan pola laju respirasi, yaitu meningkat di awal penurunan suhu (NH3 dari 5,76 menjadi 11,52 mg NH3/kg ikan/jam, dan NO2 dari 0,16 menjadi 0,66 mg NO2/kg ikan/jam) kemudian turun seiring dengan penurunan suhu (1,64 mg NH3/kg ikan/jam dan 0,16 mg NO2/kg ikan/jam pada suhu 13,6oC).
Optimization of Processing Conditions of Alkali Treated Cottonii (ATC) from Sap-free Eucheuma cottonii Fateha, Fateha; Wibowo, Singgih; Santoso, Joko; Agusman, Agusman; Uju, Uju
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 14, No 2 (2019): August 2019
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (613.021 KB) | DOI: 10.15578/squalen.v14i2.397

Abstract

Alkali treated cottonii (ATC) is a derivative product of Eucheuma cottoniithat is treated with alkali. This study used raw material of sap-free seaweed for ATC processing. Sap-free seaweed is a seaweed which thallus has been extracted with liquid known as sap. The use of sap-free seaweed as an ATC product is constrained by its low quality, so an effort to improve its quality is needed. Therefore the obejcetive of this Research was to get the optimal conditions of ATC processing. Experimental data were designed and analyzed using Response Surface MethodologyCentral Composite Design (RSM-CCD) using Design Expert 10.0.7® program. The optimization of ATC processing involved three components that were considered influential, namely KOH concentration, temperature, and processing time. Recommendation for optimal conditions issued by RSM-CCD on ATC processing from sap-free seawee d were 6 % KOH concentration at 75 oC for 120 minutes (93.1% desirability). The results of the response analysis showed a yield of 39.47% and a gel strength of 595.32 g/cm2. As a research control, the recommendation of RSMCCD used in ATC processing from nonsap-free seaweed was obtained yield of 36.81% and gel strength of 574.44 g/cm 2. ATC from sap-free seaweed has higher yield and gel strength than that from nonsap-free seaweed. Thismight be due to the sap-free seaweed was obtained using the proper sap extraction process and ATC processingunder optimal conditions, so that the quality of seaweed was better maintained.
Fotodegradasi Methylene Blue Menggunakan Fotokatalis TiO2/Zeolit Wibowo, Singgih; Aulia Azhar, Kheiza Noor; Sahanaya, Dewi Alamatus
Journal Warta AKAB Vol 47, No 1 (2023): Warta AKAB
Publisher : Politeknik AKA Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55075/wa.v47i1.165

Abstract

Fotokatalisis merupakan salah satu metode yang efektif dalam pengolahan air limbah yang mengandung senyawa organik. Dalam penelitian ini, digunakan TiO2 dikombinasi dengan zeolit (TiO2/Zeolit) sebagai fotokatalis dalam proses degradasi senyawa organic methylene blue (MB). Tujuan penelitian ini adalah untuk mengevaluasi efektivitas fotokatalisis menggunakan TiO2/zeolit pada proses degradasi MB di bawah cahaya matahari. Penelitian ini dilakukan dengan menggunakan variasi perbandingan TiO2 dan zeolit, baik zeolit tanpa dan dengan aktivasi serta perbandingannya dengan karbon aktif. Hasil penelitian menunjukkan bahwa fotokatalis TiO2 dan zeolit dapat meningkatkan efektivitas degradasi senyawa organik pada sampel air limbah. Kombinasi TiO2 dan zeolit pada perbandingan 1:3 menghasilkan efektivitas fotokatalisis tertinggi dengan penurunan konsentrasi senyawa organik sebesar 96% setelah waktu iradiasi selama 30 menit dan nilai k=0.051 menit-1. Penelitian ini dapat menjadi dasar untuk pengembangan lebih lanjut dalam aplikasi fotokatalisis pada pengolahan air limbah industri.
Polyvinyl Alcohol–Red Cabbage Nanofibers as pH-Responsive Freshness Sensors for Advanced Food Packaging Technology Foliatini, Foliatini; Wibowo, Singgih; Rochaeni, Henny; Suhartini, Suhartini; Fachrurrazie, Fachrurrazie; Prianditya, Arzzaq Imanda; Hadriansyah, Pradnadia Putri; Siregar, Naura Athira Putri; Nurpadilah, Novi; Alfiani, Putri; Rahim, Maudi; Sriwahyuni, Endah
Makara Journal of Science Vol. 28, No. 3
Publisher : UI Scholars Hub

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

Abstract

The development of innovative food packaging technologies, particularly those capable of monitoring freshness, has become increasingly important in the food industry. This research explores the development of a pH-responsive freshness sensor using polyvinyl alcohol–red cabbage (PVA/RC) nanofibers. The nanofibers are fabricated through the electrospinning technique and meticulously analyzed via scanning electron microscopy, Fourier-transform infrared (FTIR) spectroscopy, and differential scanning calorimetry (DSC). The results underscore the fine structure of the nanofiber matrix, with an average diameter of ~68 nm. FTIR analysis substantiates the presence of anthocyanin compounds from RC within the PVA/RC nanofibers, which confirms the integration of beneficial components into the nanofiber matrix. Moreover, DSC investigations reveal the outstanding thermal properties of PVA/RC, which demonstrates the resilience of the nanofibers to higher temperatures, with a melting point of ~223 °C. Notably, the PVA/RC nanofibers with a 3:1 ratio exhibit excellent thermal stability, although the color change due to pH fluctuations shifts toward transparency. This study lays down the foundation for future exploration and the potential for a diverse array of applications and material enhancements. The findings presented herein open up new opportunities for the use of PVA/RC nanofibers in the development of freshness sensors, heralding a new era in smart food packaging technology.
Physical Properties of Biodegradable Chitosan-Cassava Starch Based Bioplastic Film Mechanics Kusumawati, Rinta; Syamdidi; Abdullah, Akbar Hanif Dawam; Nissa, Rossy Choerun; Firdiana, Bonita; Handayani, Rini; Munifah, Ifah; Dewi, Fera Roswita; Basmal, Jamal; Wibowo, Singgih
Science and Technology Indonesia Vol. 10 No. 1 (2025): January
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.1.191-200

Abstract

Petroleum-derived plastics are widely used but pollute the environment significantly. The development of biodegradable plastics is urgently needed to be replaced. The mechanism for making bioplastic films from cassava starch-chitosan/glycerol uses a double-screw extruder process. The film took into account the multi-hydroxyl capacity of starch by combining glycerol (in a ratio of 3:1 w/w) and chitosan (at concentrations of 0.5, 1.0, and 1.5% (w/w). The impact of chitosan involvement on the characteristics of the bioplastic material was studied, including physical, thermal, mechanical, and biodegradability properties. The findings showed that using chitosan as a filler in cassava starch bioplastics resulted in bioplastic films with high compressive capacity and water resistance. The resulting biopolymer’s contact angle was increased by including C-O functional groups in the molecule, as evidenced at a wavelength of 1028 cm-1 of the FTIR spectra. The contact angle was increased from theta = 65.3059 ± 2.7936◦ to theta = 68.6047 ± 3.2391◦. An increase in tensile strength was also observed, indicating increased stiffness compared to chitosan-free bioplastics. The best bioplastic blend was the formulation of cassava starch and glycerol containing 0.5% chitosan. Bioplastic has physical properties of density 0.8625 ± 0.0277 g/mL; contact angle 68.6046 ± 3.2391◦; water uptake 11.0660 ± 0.3709%; tensile strength 2.0181 ± 0.0594 MPa; elongation 54.2243 ± 3.2623%; thermal 137.5◦C; moisture content 4.9464 ± 0.1172%; and the fastest biodegradation rate. The bioplastic synthesized in this study is readily biodegradable in the natural environment, making it highly sustainable and more environmentally friendly, and it can be a viable substitute to reduce the use of petroleum-based bioplastic.
Physicochemical Properties and Microstructure of Mixed-species Surimi Made from Decapterus sp. and Priacanthus sp. Sihono, Sihono; Purnomo, Agus Heri; Wibowo, Singgih; Subaryono, Subaryono; Suryaningrum, Theresia Dwi; Utomo, Bagus Sediadi Bandol; Dewi, Fera Roswita
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 19, No 1 (2024): May 2024
Publisher : :Agency for Marine and Fisheries Research and Human Resources, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.861

Abstract

The surimi industry plays a substantial role in bolstering Indonesia’s fishing sector. The collapse of the majority of surimi companies can be attributed to the                   government limitation on trawling, which served as the primary source of demersal fish utilized in surimi processing. This restriction resulted in a significant shortage of raw material for industry. Therefore, it is imperative to explore alternate fish species that can serve as viable raw materials for the production of surimi.  Alternative fish species are needed as raw materials for surimi. The objective of this work was to investigate the physicochemical characteristics and microstructure of surimi produced from two distinct Indonesian fish species: Decapterus sp., a pelagic species, and Priacanthus sp., a demersal species. Five ratios of Decapterus sp and Priacanthus sp; 1:0 (F1: control 1),  3:1 (F2), 1:1 (F3), 1:3 (F4), and 0:1 (F5: control 2) were tested. The proximate composition showed that the addition of Decapterus sp. to the formula increased the protein and fat content of mixed surimi. The formula F4 showed the highest value for almost all textural profile parameters; there were springiness, cohesiveness, gumminess, chewiness, and resilience. The same result also presented in the gel strength, F4 also has the highest value. The Water Holding Capacity value was low, and it showed no difference between all formulas. The whiteness value was in the range of 66-68, and it showed no difference between all formulas. Protein patterns showed no myosin heavy chain in all formulas. Microstructure analysis showed that only F5 (control 2) was compact and denser, but the other formulas (F1, F2, F3, and F4) showed a large number of loose and porous structures. In the microbial analysis, all formulas showed the Total Plate Count value ( 6 x 105 cfu/g) was under the maximum acceptable value (107 cfu/g). The findings of the study indicated that the mixed-surimi, consisting of Decapterus sp and Priacanthus sp at a ratio of 1:3, exhibited the highest level of gel strength. In conclusion, Decapterus sp has the potential to serve as a viable raw material when combined with Priacanthus sp.
The Effect of Ozone Treatment on the Quality of Biodiesel from Waste Cooking Oil Setyawati, Sri Redjeki; Wibowo, Singgih
Makara Journal of Science
Publisher : UI Scholars Hub

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

Abstract

This research demonstrates the successful production of biodiesel from waste cooking oil (WCO) using the transesterification method. A methoxide solution, formed by employing a base catalyst and alcohol, facilitated the conversion of triglycerides into methyl esters and glycerol as the byproduct. The conversion process yielded 74% biodiesel and 13.5% glycerol content, with the remaining proportion consisting of water and contaminants. The application of ozone (O3) aeration proved effective in reducing contaminants—such as alcohol, unreacted catalysts, food residues and water—by approximately 60%. Furthermore, Fourier transform infrared (FTIR) testing affirmed that the biodiesel product—treated with O3 aeration—maintained its original characteristics, thus ensuring the product’s quality. In conclusion, this study highlights the potential of biodiesel production from WCO and emphasizes the importance of O3 aeration in enhancing product purity. This finding is crucial for scaling up the biodiesel production process for broader industrial applications.
Co-Authors Agus Heri Purnomo, Agus Heri Agusman, Agusman Akbar Hanif Dawam Abdullah, Akbar Hanif Dawam Alfiani, Putri Aulia Azhar, Kheiza Noor Bagus Sediadi Bandol Utomo, Bagus Sediadi Bandol Dewi, Fera Roswita Fachrurrazie, Fachrurrazie Fateha, Fateha Firdiana, Bonita Foliatini Foliatini Fransiska, Dina Hadriansyah, Pradnadia Putri Ifah Munifah Ikasari, Diah Jamal Basmal, Jamal Joko Santoso Nissa, Rossy Choerun Nurpadilah, Novi Prianditya, Arzzaq Imanda Rahim, Maudi Rini Handayani Rinta Kusumawati, Rinta Rochaeni, Henny Sahanaya, Dewi Alamatus Setyawati, Sri Redjeki Sihono Sihono Sinurat, Ellya Siregar, Naura Athira Putri Sriwahyuni, Endah Subaryono Subaryono, Subaryono Suhartini Suhartini Sumpeno Putro Suryaningrum, Theresia Dwi Syamdidi Syamdidi Syamdidi Uju Uju