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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) International Journal of Reconfigurable and Embedded Systems (IJRES) HAYATI Journal of Biosciences Jurnal Gizi dan Pangan Jurnal Teknologi Dan Industri Pangan Jurnal Teknologi Industri Pertanian Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia DIKSI Jurnal Arsitektur DASENG MEDIA MATRASAIN JOURNAL OF COASTAL DEVELOPMENT ILMU KELAUTAN: Indonesian Journal of Marine Sciences Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Ilmu Lingkungan Jurnal Akuatika Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Perikanan dan Kelautan Undagi : Jurnal Ilmiah Jurusan Arsitektur Universitas Warmadewa Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Indonesian Journal of Disability Studies Journal of Engineering and Technological Sciences Jurnal Kimia dan Kemasan Techno LPPM Jurnal Agroindustri Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Pharmascience JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA JURNAL IPTEKS PEMANFAATAN SUMBERDAYA PERIKANAN JUSS (Jurnal Sosial Soedirman) Jurnal Sains Teh dan Kina Omni-Akuatika As-syifaa Jurnal Farmasi Jurnal Matematika Sains dan Teknologi Jurnal Aplikasi Teknologi Pangan Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology JUTIK : Jurnal Teknologi Informasi dan Komputer JURNAL MUQODDIMAH : Jurnal Ilmu Sosial, Politik dan Hummaniora Albacore : Jurnal Penelitian Perikanan Laut Jurnal Perikanan Universitas Gadjah Mada JMM (Jurnal Masyarakat Mandiri) Jurnal Arsir Jurnal CMES NUSANTARA : Jurnal Ilmu Pengetahuan Sosial WIDYABHAKTI Jurnal Ilmiah Populer Jurnal Kelautan dan Perikanan Terapan (JKPT) WIDYA LAKSANA Evangelikal: Jurnal Teologi Injili dan Pembinaan Warga Jemaat Jurnal Sains Sosio Humaniora Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Menara Perkebunan Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Jurnal Ilmiah Religiosity Entity Humanity (JIREH) Majalah Farmasetika Jurnal Kefarmasian AKFARINDO Jurnal Ilmiah Kanderang Tingang Manna Rafflesia INFOKUM Reswara: Jurnal Pengabdian Kepada Masyarakat Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Indonesian Journal of Chemical Science and Technology Kawruh : Journal of Language Education, Literature and Local Culture Jurnal Kesehatan Tambusai Jurnal Kemaritiman: Indonesian Journal of Maritime Jurnal Kimia dan Kemasan Juvenil: Jurnal Ilmiah Kelautan dan Perikanan Dialogue: Jurnal Ilmu Administrasi Publik INPHARNMED Journal (Indonesian Pharmacy and Natural Medicine Journal) Arsitektur Universitas Pandanaran Jurnal (ArsiP) SADE Jurnal Arsitektur, Planologi dan Teknik Sipil Jurnal EduHealth Jurnal Abdi Masyarakat Indonesia Jurnal Penelitian Inovatif Law Development Journal Jurnal Kolaboratif Sains Proceedings Series on Social Sciences & Humanities Agro Tatanen Makara Journal of Science Jurnal ABDI MERCUSUAR Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat Jurnal Permata Indonesia Widyaparwa Indonesian Journal of Pharmacy and Natural Product Kapas: Kumpulan Artikel Pengabdian Masyarakat Jurnal Inovasi Teknologi dan Edukasi Teknik Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Interaksi Sosiologi Jurnal Ilmiah Mahasiswa Arsitektur dan Perencanaan Global Komunika : Jurnal Ilmu Sosial dan Ilmu Politik Jurnal An-Najat: Jurnal Ilmu Farmasi dan Kesehatan Promotor: Jurnal Mahasiswa Kesehatan Masyarakat Jurnal Riset Manajemen Akuntansi Indonesia Jurnal Ilmiah Multidisiplin Indonesia Scientica: Jurnal Ilmiah Sains dan Teknologi Journal of Smart Agriculture and Environmental Technology Kohesi: Jurnal Sains dan Teknologi Zarathustra (Jurnal Sosiologi dan Filsafat) Parapemikir Jurnal Ilmiah Farmasi Jurnal Riset Ilmu Kesehatan Umum dan Farmasi Science Information System and Technology Jurnal Kesehatan Republik Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Medika: Medika Media Matrasain Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil International Journal of Information Engineering and Science Jurnal Standardisasi Jurnal Ilmiah Manuntung: Sains Farmasi dan Kesehatan JPEMAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmu Kesehatan Bambu Laut: Jurnal Pengabdian Masyarakat SELAYAR: Jurnal Pengabdian Masyarakat Global Insights in Management and Economic Research

Joko Santoso

Departemen Teknologi Hasil Perairan, Fakultas Perikanan Dan Ilmu Kelautan Institut Pertanian Bogor Kampus IPB Dramaga Jl. Agatis, Bogor 16680 Jawa Barat, Telp. (0251) 8622909, Fax (0251) 8622907

Author-ID : 370975

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THE CHARACTERISTICS OF ARTIFICIAL RICE WITH SEAWEED Eucheuma cottonii ADDITION AS A DIETARY FIBER SOURCE Natalia Prodiana Setiawati; Joko Santoso; Sri Purwaningsih
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 6 No. 1 (2014): Electronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The utilization of local food commodities such as corn and cassava with seaweed addition as a dietary fiber source for producing artificial rice through extrusion technology is an alternative for food diversification. The research was carried out to find out the best composition (rice, corn, cassava, and seaweed) and temperature of extrusion process on making artificial rice and the influence of dietary fibre on sensory properties and physicochemical. The composition of rice, corn, and cassava in proportion of 1:3:1 with 20% seaweed, Eucheuma cottonii, addition and temperature extruder of 90 °C were selected as the best product for artificial rice. The sensory evaluation was 8.02±0.21 (people’s preference). In physicochemical properties, dietary fiber significantly affected on low bulk density and starch digestibility. This condition is very good for health especially in maintaining the stability of blood glucose in the body. Keywords: artificial rice, composition, extrusion, seaweed, dietary fibre, temperature

GREEN ALGAE Ulva sp. AS RAW MATERIAL FOR BIOGAS PRODUCTION Tri Dian Oktiana; Joko Santoso; Mujizat Kawaroe
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 7 No. 1 (2015): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Ulva sp. is a non edible seaweed and posses a high growth rate. Therefore, this species is potential to be developed as a raw material for biogas production. One important factor on the biogas production is to determine organic loading rate (OLR). The aim of this study was to determine the potential of Ulva sp. as a raw material for biogas and to find out the optimum loading rate in the process of biogas production. Biogas production was carried out in the digester with a capacity of 22 l that was made of fiber and equipped with a manual stirrer and gas flow meter to measure gas production. Parameters analised were pH, COD, TSS, VSS, and gas composition. Organic loading rates used in this study were 0.5, 1, 1.5, and 2 kg COD.m-3.day-1. The results showed that the optimum loading rate was 1.5 kg COD.m-3.day-1. In the loading rate of 1.5 kg COD.m-3.day-1, we obtained the highest biogas production rate of 12.14 l/day with methane content of 42.96%, average COD removal of 51.97%, and methane production of 0.33 l/g COD. Keywords: anaerobic, biogas, COD, loading, methane, Ulva sp.

PHENOL CONTENT, ANTIOXIDANT ACTIVITY AND FIBERS PROFILE OF FOUR TROPICAL SEAGRASSES FROM INDONESIA Joko Santoso; Siti Anwariyah; Ria Octavia Rumiantin; Aristi Pramadita Putri; Nabila Ukhty; Yumiko Yoshie- Stark
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 2 (2012): Volume 15, Number 2, Year 2012
Publisher : JOURNAL OF COASTAL DEVELOPMENT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (179.023 KB)

Extracts of methanol, ethyl acetate, and n-hexane of four species of Indonesian seagrasses were used to determine the total phenol contents and their antioxidant activities. Total phenol contents of each extract was determined by spectrophotometer using Follin-Ciocalteu reagent, and the antioxidant activity was measured using 1,1-diphenyl-2-picrylhydrazyl (DPPH). The profile of fibers of each fresh seagrass was performed according to an enzymatic-gravimetric method. All of methanol extracts contained high number of total phenol, except Syringodium isoetifolium the highest content was found in ethyl acetate extract; so that methanol extracts of Thalassia hemprichii, Cymodocea rotundata, Enhalus acoroides and ethyl acetate extract of Syringodium isoetifolium had the highest activities on scavenging DPPH radical. The phenol content in tropical seagrasses was tending to soluble in polar and semi-polar solvents. There was no significant different on the content of total fibers, with values ranges was from 14.32 g/100 g to 15.39 g/100 g. However, the highest content of soluble fiber was found in Enhalus acoroides (8.93 g/100 g) and significantly differed to others.

Biochemical Composition in Two Populations of the Mantis Shrimp, Harpiosquilla raphidea (Fabricius 1798) (Stomatopoda, Crustacea) (Komposisi Biokimia dari Dua Populasi Udang Mantis, Harpiosquilla raphidea (Fabricius 1798) (Stomatopoda, Crustacea)) Yusli Wardianto; Joko Santoso; Ali Mashar
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 17, No 1 (2012): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Udang mantis jenis Harpiosquilla raphidea merupakan salah satu jenis krustase hasil tangkapan bernilai ekonomi pada beberapa daerah pesisir di Indonesia. Namun komposisi biokimia jenis ini belum banyak diketahui. Oleh karena itu, tujuan penelitian ini adalah untuk memepelajari secara kuantitatif unsure-unsur penting yang terkandung dalam daging udang mantis yang berasal dari perairan Kuala Tungkal, Jambi dan Cirebon. Hasil penelitian memperlihatkan bahwa rendemen udang mantis dari kedua lokasi tidak berbeda nyata. Selain itu, udang dari kedua lokasi juga tidak memperlihatkan kandungan mikro mineral (seng, besi dan tembaga) yang berbeda. Namun demikian, udang mantis Kuala Tungkal, Jambi memiliki kandungan natrium, kalium dan kalsium lebih tinggi dibandingkan udang mantis Cirebon. Tetapi, udang mantis Cirebon kandungan magnesiumnya lebih baik. Pemasakan dengan media asam dan dengan proses perebusan akan menghasilkan tingkat kelarutan mineral tertinggi. Kata kunci: Udang mantis, Harpiosquilla raphidea, komposisi biokimia, kelarutan mineralThe mantis shrimp, Harpiosquilla raphidea, is a valued crustacean species captured mainly in some Indonesian coastal waters. Yet, the biochemical composition of this species is still inadequately understood. For that reason, the aim of this study was to quantify the content of essential elements of specimens from the Kuala Tungkal, Jambi and Cirebon Coast. The meat yield of the shrimps collected from the two locations are not significantly different. In terms of proximate chemical composition, all chemical characters of the shrimps from Kuala Tungkal, Jambi and Cirebon are not significantly different, except the fat content. As far as the mineral composition is concerned, no differences were observed between either two locations for micro minerals (zinc, iron and copper). However, the shrimps of Kuala Tungkal, Jambi coast showed higher sodium, potassium and calcium contents than those of Cirebon coast. Yet, for magnesium the shrimp of Cirebon had higher content in comparison with that of Kuala Tungkal, Jambi. Media acid with boiling process would bring about the highest solubility of minerals. Key words: Mantis shrimp, Harpiosquilla raphidea, biochemical composition, mineral solubility

Respon Tingkah Laku Makan Ikan Kerapu Macan (Ephinephelus fuscoguttatus) Terhadap Komposisi Kimia Umpan Aristi Dian; Purbayanto Ari; Joko Santoso; Mulyono S Baskoro; Daniel R Monintja
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 12, No 3 (2007): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Studi tingkah laku makan ikan merupakan bagian yang paling penting untuk mengetahui efektivitas penggunaan umpan. Penelitian ini bertujuan untuk mengetahui respon dan pola tingkah laku makan ikan kerapu macan (Ephinephelus fuscoguttatus) dengan perbedaan komposisi kimia umpan. Penelitian dilakukan dengan metode eksperimen laboratorium. E. fuscoguttatus yang digunakan memiliki panjang total rata-rata 200 mm. Umpan yang digunakan adalah udang krosok (Metapenaeus elegans) dan ikan rucah (Sardinella gibbosa). Data penelitian meliputi waktu respon dan pola tingkah laku makan E. fuscoguttatus terhadap umpan dengan lama perendaman 1, 7 dan 12 jam. Komposisi kimia masing-masing umpan dianalisis berdasarkan lama waktu perendaman. Data diuji dengan menggunakan analisis statistik t student (uji-t). Hasil penelitian menunjukkan waktu respon E. Fuscoguttatus terhadap umpan udang krosok dan ikan rucah tidak berbeda nyata (nilai thitung 2,25). Respon makan E. fuscoguttatus dengan perbedaan waktu perendaman umpan udang krosok dan ikan rucah selama 1 jam dan 7 jam berbeda sangat nyata (nilai t-hitung 3,85 dan 5,70). Lama waktu perendaman umpan 12 jam tidak berbeda nyata (nilai thitung 0,86). Semakin lama waktu perendaman umpan (hingga 12 jam) terjadi penurunan komposisi kimia sehingga berpengaruh pula terhadap menurunnya respon makan E. fuscoguttatus. Kata kunci: Komposisi kimia umpan, pola tingkah laku makan, ikan kerapu macan (Ephinephelus fuscoguttatus) Fish behavior study is necessary to know the use of bait effectiveness. This research objective was to analyze response and feeding behavior of grouper (Ephinephelus fuscoguttatus) with difference of the bait chemical composition. The research was conducted by laboratory experimental method. The fish used was 200 mm total length in average. The baits used were shrimp (Metapenaeus elegans) and trash fish (Sardinella gibbosa). Data collection consist of response time and feeding behavior pattern of E. fuscoguttatus towards bait with soaking time of 1, 7, and 12 hours. Chemical composition of each baits was analysis based on soaking time. Data was statistical analyzed using t- student test. The result showed that response time of E. fuscoguttatus to shrimp bait and fish was insignificantly difference (t-value was 2.25). The feeding response of E. fuscoguttatus with soaking time difference of shrimp bait and trash fish during 1 and 7 hours was significantly difference (t-value was 3.85 and 5.70). The bait soaking time until 12 hours was insignificantly difference (t-value was 0.86). The longer bait soaking time (until 12 hours) would decrease the bait chemical composition that influenced to decrease feeding response of E. fuscoguttatus. Key words: Chemical composition of baits, feeding behavior, Ephinephelus fuscoguttatus

KARAKTERISTIK TEKSTUR DAN DAYA IKAT AIR GEL SURIMI IKAN LELE DENGAN PENAMBAHAN ASAM TANAT DAN EKSTRAK FENOL TEH TEROKSIDASI(TextureProfileAnalysisandWater Holding Capacity of Cat Fish Surimi Gel with Addition of Oxidised Phenolic Tea ExtractandTanic Acid) Ima Wijayanti; Joko Santoso; Agus M. Jacob
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 2 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

ABSTRAK Produksi Ikan lele melimpah dan bisa menjadi pilihan sebagai bahan baku bagi produk olahan hasil perikanan misalnya surimi. Teknologi pengolahan surimi dari bahan baku ikan air tawar masih terus dikembangkan karena kualitas gel yang dihasilkan masih rendah. Penambahan komponen fenolik teroksidasi pada surimi telah dikaji pada beberapa spesies ikan laut, namun demikian penggunaannya pada ikan air tawar belum pernah dilakukan. Penambahan komponen fenolik teroksidasi pada surimi ikan lele diharapkan menjadi salah satu alternatif untuk meningkatkan kualitas gel. Penelitian ini bertujuan untuk mempelajari pengaruh komponen fenol teroksidasi dalam hal ini asam tanat komersial dan ekstrak teh teroksidasi terhadap karakteristik tekstur dan daya ikat air gel surimi lele. Konsentrasi asam tanat dan ekstrak teh teroksidasi yang ditambahkan masing-masing: 0%; 0,1%; 0,2%; 0,3%; 0,4% dan 0,5% dari kadar protein. Penambahan senyawa fenol teroksidasi asam tanat dan ekstrak fenol teh teroksidasi berpengaruh nyata terhadap karakteristik tekstur daya ikat air gel surimi lele (Clarias gariepinus). Penambahan asam tanat dan ekstrak teh teroksidasi meningkatkan nilai hardness, springines, adhesive force dan gumminessdibandingkan kontrol, namun tidak berpengaruh nyata pada nilai cohesivemess. Nilai WHC gel surimi meningkat seiring dengan konsentrasi asam tanat dan ekstrak teh teroksidasi yang ditambahkan. Secara umum hasil analisis karakteristik kimia, fisik dan struktur mikro menunjukkan penambahan senyawa fenol teroksidasi dapat meningkatkan karakteristik gel surimi lele. Konsentrasi optimum yang dapat digunakan untuk meningkatkan karakteristik gel surimi lele adalah 0,5% pada asam tanat dan 0,4% pada ekstrak teh. Kata kunci : Surimi Ikan Lele, Asam Tanat, Ekstrak teh, Texture Profile Analysis, WHC Catfish production is abundant and could be an option as a raw material for processed fishery products such surimi. Surimi processing technology of freshwater fish are being developed because of the gel quality is still low. The addition ofoxidized phenolic components in surimi has been studied in several species of marine fish, however, its use in freshwater fish has never been done. The addition ofoxidized phenolic components in surimi cat fish was expected to be one alternative to improve the quality of the gel. This study aimed to determine the effect of oxidized phenolic components in this commercial tannic acid and oxidized tea extract the characteristics and water holding capacity cat fish of surimi gel. The concentration of tannic acid and oxidized teaextract were added as follows: 0%; 0.1%; 0.2%; 0.3%; 0.4% and 0.5% of the protein content. The addition ofoxidized tannic acid and tea extract significantly affected the characteristics of the Texture Profile Analysis and Water Holding Capacity (WHC) of catfish (Clarias gariepinus) surimi gel. The addition of oxidized tannic acid and tea extract increased the value of hardness, springines, adhesive force and gumminess compared tocontrols;however, there was nosignificant effect on the value of cohesiveness. WHC values of surimi gel increased with the concentration ofoxidized tannic acid and tea extract added. Optimum concentration of phenolic compound to enhance catfish surimi gel were 0.5 % for tannic acid and 0.4% for tea leaf extract. Keywords : cat fish surimi, tannic acid, tea extract, texture profile analysis, WHC

Kandungan Fenol dan Aktivitas Antioksidan Makroalga Bentik Caulerpa racemosa (Forsskal) dari Teluk Hurun, Lampung Joko Santoso; Diini Fitriani; Yusli Wardiatno
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 3 (2010): October 2010
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v15i3.2592

Caulerpa racemosa is a green benthic macroalga that mainly grows in tropical regions which is expected to bask of strong ultraviolet radiation from sunlight. This circumstance can cause to increase levels of reactive radical species. To reduce and/or protect, organism like macroalga may change its metabolism and stimulate to produce some active compounds, therefore, tropical macroalgae are estimated possessing a large number of active compounds such as antioxidant. In this experiment, edible green benthic macroalga Caulerpa racemosa grown in different water condition were used. The content of total phenol and antioxidant activity of ethyl acetate extract were performed. Pearson correlation between waters condition and antioxidant activities i.e. total phenol and DPPH inhibition were also analyzed. Caulerpa racemosa grown in station 2, exposed in strong radiation from sunlight, had the highest content of total phenol and percentage of DPPH inhibition, with their values were 12.60% and 46.43% respectively. Sunlight intencity in waters had strong positive correlation to the total phenol content and reducing activity of DPPH, however, parameters of nitrate and ammonia had strong negative correlation.

EFFECTS OF CARRAGEENAN COATING ON ORGANOLEPTIC QUALITY OF BOILED SHRIMP DURING REFRIGERATION STORAGE Nurlaila Ervina Herliany; Joko Santoso; Ella Salamah
Jurnal Agroindustri Vol 3, No 2 (2013)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.3.2.61-70

One of the most popular seafood in the world is shrimp, including cooked shrimp. Boiled shrimp is a value added product with high protein content, specific taste, ready to eat, and have an interested colour for consumers. Boiled shrimp must be protected from quality deterioration during storage. The research was carried out to study the effect of carrageenan coating to inhibit the quality deterioration of boiled shrimp based on organoleptic evaluation during refrigeration storage (4-6oC). Peeled undevined (PUD) vannamei (Litopenaeus vannamei) with size 60-70 was used as object. The boiled shrimps treated with two treatmens, which were coated and uncoated boiled shrimps. Application of coating carrageenan on boiled shrimp indicate that coating application could extend its shelf life, proved by higher organoeptic value than uncoated product, based on organoleptic evaluation for frozen boiling shrimp (SNI 01-2346-2006).

Karakteristik Sensori Beberapa Produk Ikan Asap Khas Daerah di Indonesia dengan Menggunakan Metode Quantitative Descriptive Analysis Rusky Intan Pratama; Heru Sumaryanto; Joko Santoso; Winarti Zahirudin
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 7, No 2 (2012): Desember 2012
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.v7i2.253

Komoditas ikan asap merupakan salah satu produk pangan tradisional (exotic indigenous food) yang sangat dikenal oleh masyarakat Indonesia. Penelitian ini dilakukan sebagai bagian dari upaya pemetaan produk olahan ikan khas daerah di Indonesia sebagai upaya protektif terhadap kekayaan bangsa Indonesia. Tahapan penelitian terdiri dari 2 tahap. Tahap pertama yaitu pengambilan sampel 4 jenis ikan asap khas daerah di Indonesia (ikan fufu, ikan salai, ikan pe, ikan kayu) dari masing-masing pengolah ikan asap (Bitung, Padang, Rembang, Kendari) serta dilanjutkan dengan tahap kedua yaitu pengujian organoleptik yang dilakukan di laboratorium khusus flavor. Metode Quantitative Descriptive Analysis (QDA) yang dilanjutkan dengan Principal Component Analysis (PCA) digunakan untuk menjelaskan karakteristik flavor sampel berdasarkan atribut aroma dan rasa yang diuji oleh 10 panelis terlatih. Karakteristik sensori yang diamati ialah atribut aroma yang terdiri dari smoky, fishy, burnt, fatty, woody, dan sweet serta atribut rasa yang terdiri dari manis, asam, asin, pahit dan gurih. Hasil analisis QDA menunjukkan bahwa ikan kayu memiliki intensitas aroma fishy (53,97), woody (37,77) dan rasa gurih (47,62) yang lebih tinggi dari ikan asap jenis lainnya. Ikan pe memiliki intensitas aroma burnt (36,02) dan smoky (62,32) yang lebih tinggi. Ikan fufu memiliki intensitas rasa pahit (28,58), asin (34,17) dan asam (39,82) yang lebih tinggi serta ikan salai memiliki intensitas aroma fatty (27,57), sweet (28,75) dan rasa manis (33,10) yang lebih tinggi dibandingkan ikan asap jenis lainnya. Hasil PCA (PC1 47%; PC2 37%) menunjukkan sampel ikan asap dikelompokkan ke dalam empat kuadran berbeda bersama dengan atribut-atribut sensoris yang menjadi karakteristiknya.

Pengaruh Praperlakuan Alkali dan Asam terhadap Karakteristik Mutu Bakto Agar dari Rumput Laut Gelidium sp Muhamad Darmawan; Joko Santoso; Dina Fransiska; Marsella Marsella
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 15, No 1 (2020): Juni 2020
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Ekstraksi bakto agar dari rumput laut merah Gelidium sp. asal Pameungpeuk, Jawa Barat dengan praperlakuan alkali dan asam telah diteliti. Pada praperlakuan alkali digunakan NaOH dengan variasi konsentrasi 4, 5, dan 6%. Asam yang digunakan yaitu CH3COOH dengan variasi konsentrasi 0,5% dan 1,0%. Parameter mutu yang diamati meliputi kadar air, kadar abu, kadar abu tak larut asam, kadar sulfat, gugus fungsi, rendemen agar, kekuatan gel, viskositas, titik leleh dan titik jendal, sineresis, dan angka lempeng total. Bakto agar terbaik diperoleh dari praperlakuan dengan konsentrasi NaOH 4% dan CH3COOH 0,5% yang telah memenuhi beberapa persyaratan mutu bakto agar komersial untuk parameter kekuatan gel, kadar air, kadar abu, dan kadar abu tak larut asam. Karakteristik mutu dari praperlakuan tersebut adalah kadar air 13,69±1,02%, kadar abu 4,24±1,28%, kadar abu tak larut asam 0,54±0,25%, kadar sulfat 1,55±0,36%, rendemen 9,19±2,21%, kekuatan gel 1464,98±109,09 g/cm2, viskositas 42,75±24,40%, sineresis 2,76±0,12%, titik jendal 20,50±2,12 °C, dan titik leleh 95,25±1,06 °C. Praperlakuan dengan konsentrasi tersebut juga memiliki nilai Angka Lempeng Total (ALT) yang sama dengan bakto agar komersial. AbstractBacto agar extraction from red seaweed Gelidium sp. from Pameungpeuk, West Java with alkali and acid pretreatment had been conducted. NaOH with concentration of 4, 5, and 6% was used for alkali pretreatment while CH3COOH at concentrations of 0.5% and 1.0% (v/v) was used for acid pretreatment. The quality parameters investigated were moisture content, ash content, acid insoluble ash, sulphate content, functional groups, yield, gel strength, viscosity, melting point, gelling point, syneresis, and total plate count. The best quality of bacto agar was obtained by using 4% alkali pretreatment and 0.5% CH3COOH. This pretreatment has fulfilled the specification of commercial bacto agar for moisture, ash, acid inslouble ash content, and gel strength parameter. The properties of bacto agar from this pretreatment were moisture content 13.69±1.02%, ash content 4.24±1.28%, acid insoluble ash content 0.54±0.25%, sulphate content 1.55±0.36%, yield 9.19±2.21%, gel strength 1464.98±109.09 g/cm2, syneresis 2.76±0.12%, gelling point 20.50±2.12 °C, and melting point 95.25±1.06 °C. This pretreatment also gave the same result as the commercial bacto agar for the total plate count.

Co-Authors . ADE-HERI . Chairita . NURHAIMI-HARIS . Santoso . Suardi . Uju . Uju AA Sudharmawan, AA Abi Irawan Ade Suherman Ade Wiguna Nur Yasin Adipati Napoleon Aditya, Jeremy Ferlindo Affan Irfan Fauziawan Agung Budi Laksono Agus Harjanto Agus M. Jacob Agus M. Jacoeb AGUS PURWANTO Agus Purwanto Agus Setyawan Agus Supriyanto Agusman, Agusman Agustin, Camelia Putri Ahmad Fatah Bisri Aisyah Aisyah Aisyiah, Aisyiah Al Hafidz, Dava Ahmad Alaf, Afifah Hanaa Nur Aldi Budi Riyanta Aldi Budi Riyanta, Aldi Budi Ali Mashar Alimuddin Am Azbas Taurusman Amrullah, Adhi Wardhana Anak Agung Gede Sugianthara Andi Adrianto Andi Hakim Andi Parenrengi Anggun Nugroho Anggun Nugroho, Anggun Ani Suryani Anita Alni Annita Fitri Fauziah Anwar, Bintang Javier Arafah, Purnama Ari Purbayanto Ari Wawasto Arief Bakhtiar Darmawan, Arief Bakhtiar Aristi Dian Aristi Pramadita Putri Arivai Santosae, Zacky Arlina Hidayati Asriani Asriani Asriani Asriani Asriani Asriani Asriani Asriani, Asriani Atiqah, Qori Jihan Ayu Lestari, Elita Diyani Ayu Wulandari Bahy, Lanang Mustika Bambang - Riyanto Bambang Bambang Bambang Riyanto Barlian, A. Aniq Beginer Subhan Bintarjo, Benny Bintarsari, Nuriyeni Kartika Bolan, Nanthi Budy Wiryawan Bustami Bustami Bustami Ibrahim Cahyuning Isnaini, Cahyuning Candra Ahmadi, Candra Chairita Dan Christina Litaay Cucu Suherman Dadang Hermawan DAHLIA WULAN SARI Daniel R Monintja Dede Maryana Dedik Budianta Desi Fibri Desniar - - Deswijaya, R. Adi Dewanti, Erika Wahyu Dewi Kania Dewi Kinanti, Cahya Diah Ekawati, Ardhianiswari Didin Mujahidin Didin Mujahidin Dietriech Geoffrey Bengen Diini Fitriani Dina Fransiska Dwi Ratnaningsih Dwianto, Rahmad Agus Dwijoko Purbohadi Edi Suprasetya EDIATI SASMITO Ediati Sasmito Ekowati Chasanah Elis Puspitasari Ella Salamah Ella Salamah Ella Salamah Ella Salamah Ellya Sinurat Endang Kantikowati Endang Warsiki Endina Fatihah Yasmin Eni Masruriati Erfan Erlin Kurniawati Sholihah Ernawati Eveline . Eveline Eveline Fadhil Mughits Mukmin Fadhila, Shinta Fateha, Fateha Fauzia Azzahra, Fauzia Fie Ling Firmansyah, Muhammad Abi Fitri Wardani Fitriani, Diini Fitriani, Kristiana Fitriany Podungge Frets Jonas Rieuwpassa Gde Agus Yudha Prawira Adistana Gede Harta Wiasa Ghanas G. B. Prayogi Gressty Sari Br Sitepu Gumiri, Sulmin Gusti Ngurah Aditya Krisnawan Hamida, Nurul Handayani, Ratna Handoyo, Ag.Sunarno Hanugrah Ardya Hanugrah Ardya C. S Harinto Nur Seha Hariyadi, Hariyadi Hasbi Romadhon Henly Yulina, Henly Herland Wijaya Kusumo Heru Nurcahyo Heru Sumaryanto Hesty Susanti Hidayati, Aulia Hidayati, Evi Nurul Hutari Puji Astuti I Gede Giri Panti Wijaya I Gede Suardika I Ketut Pasek Wisuda I Putu Satria Pramana Putra I Wayan Jepriana I Wayan Karang Utama I Wayan Nurjaya Ianaegea Randioko Hans Raprap Ichwan Chafidin Ikram Abi Hamzah Kurniawan Ima Wijayanti Inayatush Sholihah Indra Pratama Indriastuti, Isnaini Intan Kusumaningayu Intan Ratna Dewi Anjarsari Irawan, Azizah Septiyani Isdradjat Setyobudiandi Ivan Widjaja Iyaka Awala Firdaus Joestia Zhahiran, Alyanisa Junkwon Hwangbo Junkwon Hwangbo, Junkwon Kamini Kamini Karlina, Nur Alif Yusuf Putra Karya Karya Karya Khaswar Syamsu Kiagus Abdul Aziz Kristalia Mulya Wijaya Kristianti, Leonita Wahyu Kundrat Kundrat, Kundrat Kurniawan, Arandi Tubagus Kustiariyah Tarman La Ode Huli Lamirin Lamirin Lestari, Soedji Lilla Ning Cahya LINAWATI HARDJITO lisa amanda yakhin Listyarini, Sri M. Riyanto Magnarai Huangdinata Mala Nurilmala Mala Nurimala Mamik Indaryani Marasabessy, Ismael Marsella Marsella Masliani, Masliani Masrukin Masrukin Maulana, Muhammad Syahdan Maulidia Rahayyu, Annisa Ma’rifah, Bahriyatul Meika Syahbana Rusli Mellia Silvy Irdianty, Mellia Silvy Mennofatria Boer Merlindasari, Dita Alfina Merry Antralina Minangsih, Dian Murti Mochammad Riyanto Mufidah Mufidah Mufidah, Mufidah Muhamad Darmawan Muhamad Samsudin Muhammad Adam Malik Muhammad Fakhri Abrory Mujizat Kawaroe MUJIZAT KAWAROE Mujizat Kawaroe Muldiyana, Tya Mulyono S. Baskoro Murrukhmihadi, Mimiek Mustaruddin Mutiawati, Radita Mutmainnah Mutmainnah N. Nurjanah Nabila Ukhty Nada Martafia Nadia Aulia, Nadia Nandi Sukri Nasrulloh, Amar Vijai Navi’i Syaifullah Aji Ngete, Ani Florida Ni Kadek Karlina Lestariani Ni Komang Cahya Julina Anggarani Ni Nyoman Supuwiningsih Ni Nyoman Utami Januhari, Ni Nyoman Ni Putu Sri Puja Indrayanti Nila Berghuis Tamaela Ninik Purbosari Nopa Aris Iskandar Novi Anugraheni Nugroho, Muhammad Awal Satrio Nur Budi Mulyono Nuri Arum Anugrahati NURITA TORUAN-MATHIUS Nurlaila Ervina Herliany Nurma Sari, Nurma Nurmala Pangaribuan Nurnaningsih Nurnaningsih, Nurnaningsih Nyoman M N Natih Petrus Rani Pong-Masak Pieter G.O. Sunkudon Pipih Suptijah Prakarsa, Darmansjah Tjaja Prakasa, Darmansjah Tjahja Pramana, Rangga Budi Prasongko, Bambang Kuncoro Pratiwi, Ariska Dithya Pratiwi, Rosaria Eka Prayogo, Muhaimi Mughni Priasmoro, Ghifari Pandu Pudji Muljono Pujiono, Andreas Purgiyanti Purgiyanti Purgiyanti Purgiyanti, Purgiyanti Putri, Ryana Tammi Putu Angga Putra Rondan R.A. Retno Hastijanti Rafly Al Ghifari Ramadhan Rahardjoputro, Rolando Rahmat Kurnia Rahmatia Garwan Rahmatia Garwan Ramadayanti, Faddilla Lindra Ramadhani, Aulia Rusyda Ramadhayanti, Faddilla Lindra Rapiadi Rapiadi Ratih Purwanti, Ratih Regina Sofia Fahma Reni Lobo Reny Rosalina Retno Hastijanti Ria Octavia Rumiantin Rianto Rianto Risantie, Destria Usha Widya Riyanto, Mahfud Rizkia, Veni Roihan Zaky, Mohammad Rolando Rahardjoputro Royani, Dani Sjafardan Rufaida Nur Fitriana Rusky Intan Pratama Rusmawan, Teddy Rustam Effendi Paembonan, Rustam Effendi Sadulla, Mochammad Dicky Salsabila, Rizka Aulia Santosae, Zacky Arivai Santoso . SANTOSO SANTOSO Saputri, Icha Rahmanianda Saraswati, Hanugrah Ardya Crisdian Sardjiman Sardjiman Sardjiman Sari Prabandari, Sari Sari, Reni Nopita Sarmauli I. Manurung Savitri, Astri Aulia Savitri, Yuniar Sepri, Gansuar Setiko, Putro Hairutomo Setyarini Soemadi, Dian Setyarini, Dian Shofwan Hanief Sholihah, Inayatush Sholikhati, Nur Indah Shynie Shynie Sihotang, Srymaya Singgih Wibowo, Singgih Siregar, Rizky Febriansyah Sitanggang, Charles Paulinus Marulitua Siti Anwariyah Siti Fadilah Solihin Sri Cahyo Wahyono Sri Purwaningsih Suarji, Muhammad Agung Subaryono Subaryono, Subaryono Sudarmo, Agnes Puspitasari Sudibyo, Muhammad Farid Sugeng Heri Suseno Sumandiarsa, I Ketut Sumandiarsa, IKetut Suntoro Suntoro Supardi Hamid Supinah, Pipin Supuwiningsih, Ni Nyoman Suryani, Ani Susi Merry Marini Susiyarti Susiyarti Susiyarti, Susiyarti Susma Pranira Syahdami, Muhammad Haychal Syamsul Bahri Agus, Syamsul Bahri Takeshi Suzuki Taryono Taryono TATI NURHAYATI Tiara Indah Galeri Tiftazani, M. Haekal Tohar, Ibrahim Tri Dian Oktiana Tria Farma Meylina Tulus Haryono, Tulus Uju Uju Uju Uju Ulfa Kusuma Bhakti Ulung Pribadi, Ulung Utami Dyah Syafitri Veza Azteria Vinara Acnes Putri Mabela Vita Yanuar Wahyu Purwanto Wahyu Ramadhan Wahyu Ramadhan Wahyu Ramadhan Waldiyanti, Firli Weli Waluyo Hadi Wayan Rio Suryadhi Putra Wedashwara, I Gede Putu Wirarama Widiarsyah, Farel Widiyastuti, Iin Widyaningrum, Nova Rahma Wilda Amananti Wilda Amananti Winarti Zahirudin Windiasih, Rili Wini - Trilaksani Wistina Seneru Yana Maolana Syah Yonvitner - Yopi Nurdiansyah Yosef Yana Yudi Herdiana Yudi Yusdian Yudi Yusdian Yulianti, Nina Yumiko Yoshie Yumiko Yoshie Stark Yumiko Yoshie- Stark Yusli Wardianto Yusli Wardiatno yuspita, widdy Zacky Ariviaie Santosa Zafira, Areta Thea

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