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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology

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Published by Universitas Diponegoro

ISSN : 18584748 EISSN : 25490885 DOI : -

Core Subject : Education,

Education

SAINTEK PERIKANAN (p-ISSN: 1858-4748 dan e-ISSN: 2549-0885) adalah jurnal ilmiah perikanan yang diterbitkan oleh Jurusan Perikanan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Jurnal ini diterbitkan 2 (dua) kali setahun (Februari dan Agustus).

Arjuna Subject : -

Articles 492 Documents

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POTENSI SUMBERDAYA KIJING (Anodonta woodiana) DI SUB DAS ANAK SUNGAI LAHOMBUTI KABUPATEN KONAWE - SULAWESI TENGGARA (Potency Of Kijing Resources (Anodonta woodiana) In The Subwatershed Of Lahombuti River Konawe Regency - Southeast Sulawesi) Muhammad Fajar Purnama; Haslianti Haslianti; Salwiyah Salwiyah; Alfi Kusuma Admaja
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 15, No 1 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Esensi dari penelitian ini dilakukan adalah sebagai referensi mutakhir bagi penelitian terkait dan rekomendasi ilmiah dalam upaya pengelolaan secara lestari dan berkelanjutan sumberdaya kerang kijing (Anodonta woodiana) khususnya di Kabupaten Konawe - Sulawesi Tenggara. Penelitian ini bertujuan untuk mengetahui potensi sumberdaya kerang kijing (A. woodiana) berdasarkan perspektif kelimpahan populasi dan hubungannya dengan parameter kualitas air di Desa Lahotutu Kabupaten Konawe. Penelitian ini dilaksanakan pada bulan November 2018 – Februari 2019 di SUB DAS anak Sungai Lahombuti, Desa Lahotutu, Kecamatan Wonggeduku Barat, Kabupaten Konawe. Penentuan lokasi pengambilan sampel dilakukan dengan metode Purposive Random Sampling. Pengambilan sampel kerang kijing (A. woodiana) dilakukan di lokasi yang memiliki kelimpahan terbesar kerang kijing yaitu di SUB DAS anak sungai Lahombuti, pada “Saluran Irigasi Utama Persawaan” (Diameter : ± 1,75 m, Panjang : ± 4500 m (4,5 km), Kedalaman : ± 110 cm). Sehingga pengambilan sampel kerang kijing ditetapkan pada stasiun yang sama dengan titik sampling yang berbeda. Pengambilan sampel kerang kijing dilakukan dengan metode transek kuadrat yang berukuran 1x1 m2 sebanyak 3 plot yang ditetapkan secara acak. Hasil penelitian ini menunjukan bahwa kelimpahan kerang kijing tertinggi diperoleh pada bulan Februari sebesar 106,67 ind/m2, selanjunya di bulan Januari dengan kelimpahan sebesar 81,33 ind/m2, kemudian bulan November sebesar 55,67 ind/m2 dan besaran kelimpahan terendah terdapat pada bulan Desember sebesar 53 ind/m2. Data kelimpahan populasi tersebut pada dasarnya berada pada kategori kelimpahan yang sangat tinggi. Terlebih lagi pengambilan sampel kerang tersebut dilakukan di dalam transek dengan luasan yang sangat kecil (1 x 1 m2). Secara ilmiah hal ini membuktikan bahwa Desa Lahotutu Kecamatan Wonggeduku Barat Kabupaten Konawe memiliki potensi sumberdaya kerang kijing (A. woodiana) yang sangat besarThe essence of this research is carried out as the latest reference for related research and scientific recommendations in an effort to sustainably manage kijing (Anodonta woodiana) resources, especially in Konawe Regency - Southeast Sulawesi. This study aims to determine the potential of shellfish (A. woodiana) based on the perspective of population abundance and its relationship with water quality parameters in Lahotutu Village, Konawe Regency. This research was conducted in November 2018 - February 2019 in the Sub-watershed of the Lahombuti River in Lahotutu Village, Wonggeduku Barat District, Konawe Regency. The sampling location was determined using the Purposive Random Sampling method. Sampling of Kalambodo mussel (A. woodiana) was carried out at the location with the greatest abundance of mussels, in the Sub-watershed of the Lahombuti tributary of Lahotutu Village, on the "Main Rice Field Irrigation Channel" (diameter: ± 1,75 m, length: ± 4500 m, depth: ± 110 cm). Sampling of mussel was carried out at the same station with different spot sampling points. The Kalambodo mussel samples were taken using a 1x1 m2 sized transect method on 3 randomly assigned plots. The results of this study indicate that the highest abundance of kijing shellfish was obtained in February at 106.67 ind/m2, the next in January with an abundance of 81.33 ind/m2, then in November at 55.67 ind/m2 and the lowest abundance in December at 53 ind/m2. Basically the population abundance data is in the category of very high abundance. Moreover, the sampling of shellfish is carried out on a transect with a very small area (1 x 1 m2). Scientifically this proves that Lahotutu Village, West Wonggeduku Subdistrict, Konawe District has a very large potential of mussel shellfish (A. woodiana).

Different Percentages of Gonad Maturity on The Fertility and Haching Rate in Artificial Breeding of Abalone (Haliotis asinina) Suminto Suminto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 1 (2010): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Abalone is one of the marine mollusk that has high economic value. Mass abalone cultivation requires the mature gonads broodstock to produce seeds, but the maturity of the gonads of male and female often can not be simultaneously. Artificial insemination using a solution of ammonia is one solution to produce abalone seed in the hatchery. Ammonia solution can increase motility, fertilization rate of eggs and abalone seed production, so the provision of seeds for cultivation of abalone is independent from nature. The research of artificial insemination was carried out at various levels of gonadal maturation dams abalone (H. asinina) to determine the percentage of fertility and hatching rate of eggs from each Gonad Maturity Level. In stadia gonadal recovery, no fertilization occurs, whereas in the gonads maturing stadia had fertilization and hatching rate 24.33 ± 2.08% and 22.12 ± 2.18%, respectively at ripe stadia, gonads had been fertilization and hatching rate were 94.67% ± 1.53% and 82.82% ± 3.58%, wasn’t recorded in the stadia spent fertilization did not occur because the eggs were released in culture media. Gonad Maturity Level, thus can be used in artificial insemination was the ripe gonadal stadia, which had the highest percentage of both levels of fertilization and hatching rate with a diameter ranging from 189.6-252.8 μm. Key Words : Abalone (H. asinine); Artificial breeding; Gonad Maturity Level; Hatching Rate

SEBARAN SPASIAL FISHING GROUND BERDASARKAN KESUBURAN PERAIRAN PADA MUSIM TIMUR DI PERAIRAN TELUK SEMARANG Fishing Ground Spatial Analysis based on Water Productivity at East Season in Semarang Bay Waters Churun Ain; Bogi Budi Jayanto; Nurul Latifah
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 11, No 1 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

ABSTRAK Perairan Teluk Semarang merupakan salah satu perairan yang banyak mendapat tekanan lingkungan seiring berkembangnya industri dan pemukiman di sepanjang pesisir Teluk Semarang. Walaupun demikian, perairan Teluk Semarang masih menyimpan potensi sumberdaya ikan karena dukungan posisi geografis daerah tropis yang dapat menyumbang kesuburan perairan. Kesuburan perairan merupakan parameter kualitas perairan yang dapat dijadikan sebagai indikator fishing ground. Tujuan dari penelitian ini adalah untuk 1) menganalisis parameter-parameter kesuburan perairan pada perairan Teluk Semarang secara spasial; 2) menganalisis dan menentukan daerah fishing ground berdasarkan indikator kesuburan perairan. Waktu penelitian dilakukan selama 2 bulan pada bulan Juni-Juli 2015. Metode yang digunakan dalam penelitian ini adalah metode kuantitatif dan teknik pengambilan sampel menggunakan metode purposive sampling pada 6 stasiun yang merupakan daerah tangkapan ikan. Hasil penelitian menunjukkan bahwa parameter-parameter kesuburan perairan yaitu klorofil-a berkisar antara 1,123-3,090 mg/l, fitoplankton berkisar antara 580-792 ind/l, zooplankton berkisar antara 55-154 ind/l. Sebaran spasial fishing ground menunjukkan bahwa Sebaran spasial fishing ground yang sangat sesuai dan sesuai sepanjang perairan Teluk Semarang dari perbatasan genuk sampai perbatasan tugu sedangkan daerah yang kurang sesuai pada perairan lepas pantai daerah semarang utara sampai genuk dengan kisaran kedalaman 6 sampai 16 meter. Kata kunci : Kesuburan Perairan, Fishing Ground, Penginderaan Jauh, Teluk Semarang ABSTRACT Semarang bay waters is one of waters received a lot of environmentalpressure as the industry and domestic waste of semarang along the coast. Nevertheless , the semarang bay are still have the potential resources of fish because support position geographical the tropics that can be contributed waters productivity. Water productivity are parameters of quality of waters which can be used as indicators fishing ground. The aim of this study was to 1) analyze the parameters of the waters productivity in the Semarang Bay with spatial; 2) analyze and determine the fishing ground area based on indicators of waters productivity.Research during 2 months, until June to July 2015. Research methodology is quantitive and sampling techniques using a purposive sampling method at 6 stations in the Semarang bay waters that catch area. The results showed that the waters productifity parameters that chlorophyll-a range between 1.123-3.090 mg/l, phytoplankton ranged between 580-792 ind/l, zooplankton ranged between 55-154 ind/l. The spatial distribution of fishing ground shows that the area of fishing ground which very suitable and suitable are in the nearshore border area Semarang Genuk until Semarang Tugu and the not suitable areas along the Semarang bay waters from the border area off shore North Semarang until Genuk with depth 6 – 16 m. Keywords : Waters productivity, Fishing ground, Remote sensing, Semarang bay waters

Policy Analysis Towards Karimunjawa Fisherman Catching Activity Regency Jepara Bambang Argo Wibowo; Herry Boesono; Aryo Bayu Aditomo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 8, No 1 (2012): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Karimunjawa National Park has pioneered in community development activities either through economic development, institutional strengthening, creation of alternative livelihoods and community capacity building since 1998. This activity was expected to raise the public's readiness to participate in maintaining and preserving the Karimunjawa National Park. However, the participation in this context could place people as an object, not as a subject. Therefore, further study is needed on whether the conservation of biological diversity embodied in the Karimunjawa National Parks zoning really gave positive impact on fishing communities and ecological sustainability. Moreover, fishermen only operate around coral reefs in shallow waters, making it very vulnerable to the violation of the National Park system zoning. The research method used in this research was descriptive method, while the sampling method used is purposive sampling. Data analysis methods used were SWOT and AHP analysis (Analytical Hierarchy Process). Policy strategies to overcome the issue of the National Parks zoning is increased security in Karimunjawa conservation areas, increased cooperation between the BTN, DKP, and Tourism Department to maintain the potential of coral reef fishery resources in order to remain sustainable, the allocation of funds from the government to assist BTN monitored overfishing, illegal fishing , and environmental pollution from damaged fishing gear, and the provision of an integrated socialization to encourage people to keep conserving the resources. Key words: Karimunjawa National Park zoning, biodiversity conservation, AHP (Analytical Hierarchy Process)

VALUASI EKONOMI SUMBERDAYA MANGROVE DI KELURAHAN MANGUNHARJO, KECAMATAN TUGU, KOTA SEMARANG Economic Valuation of Mangrove Resources in the Mangunharjo Village Tugu Sub District, Semarang City Desti Setiyowati; Supriharyono Supriharyono; Imam Triarso
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Hutan mangrove merupakan salah satu sumberdaya yang memiliki fungsi dan peran penting dalam satu kesatuan ekosistem. Keberadaannya mendapat tekanan yang serius sebagai dampak dari konversi lahan untuk budidaya tambak intensif dan abrasi gelombang laut. Penelitian ini bertujuan untuk mengidentifikasi pemanfaatan sumberdaya mangrove,menganalisis valuasi ekonomi total (TEV) sumberdaya mangrove setelah dikonversi menjadi tambak, dan menganalisis nilai manfaat sumberdaya mangrove. Metode penelitian menggunakan metode proportional stratified random sampling. Metode analisis yang digunakan adalah metode identifikasi pemanfaatan sumberdaya mangrove, metode identifikasi manfaat dan fungsiekosistem mangrove, dan metode evaluasi kebijakan sumberdaya mangrove dengan menggunakan Analisis Manfaat Biaya. Hasil penelitian menunjukkan pemanfaatan sumberdaya mangrove yang dilakukan masyarakat lokal: perikanan tangkap ikan belanak, perikanan budidaya/tambak ikan bandeng dan udang windu, pembibitan mangrove, dan buah mangrove. Nilai ekonomi total sumberdaya mangrove di Kelurahan Mangunharjo saat ini seluas 7,1 ha ekosistem mangrove dan 75 ha tambak produktif sebesar Rp1.398.787.140 / tahun atau Rp160.480.161 / ha / tahun. Nilai manfaat sumberdaya mangrove yang tertinggi yaitu manfaat tidak langsung 63,77% (Rp892.000.000 / tahun atau Rp125.633.803 /Ha /tahun), nilai manfaat lainnya adalah manfaat langsung 33,30% (Rp465.739.500 /tahun atau Rp29.065.000 /ha /tahun), manfaat keberadaan 2,87% (Rp40.136.000 /tahun atau Rp5.652.958 /Ha /tahun), dan manfaat pilihan 0,07% (Rp911.640 / tahun atau Rp128.400 /ha /tahun). Mangrove forest is one resource that has function and role in the ecosystems. Mangrove forests in Mangunharjo Village are under increasing pressures as the impact of land conversion for intensive aquaculture and ocean wave abrasion. The aim of this research was to 1)identify the utilization ofmangrove resource, 2) analyze the value of the total economic (TEV) resources after mangrove converted into ponds,and 3) analyze the value of the benefits of mangrove resources. The method applied in the research was a purposive random sampling proportional to get representative respondents. Data were analyzed with several methods of analysis:a methodof resource utilization of mangrove identification, methods of identifying the benefits and functions of mangrove ecosystems, and mangrove resource policy evaluation method using Cost Benefit Analysis. This research results showed that the utilization of mangrove resources by local people is mullet fishing, aquaculture/ponds milkfish and shrimp, mangrove seeds, and mangrove fruits.The total economic value of mangrove resources in the Mangunharjo Village currently covering 7,1 ha of mangrove forest and 75 ha for the ponds that is still productive for IDR 1398787140 per year or IDR 160480161 /ha / year.Value of the benefits of mangrove resources is the highest 63,77% indirect use value (IDR 892000000 /year or 125633803 /ha /year), the value of other benefits are the direct use value of 33,30% (IDR 465739500 /year or IDR 29065000 /ha /year), the existence use value of 2,87% (IDR 40136000 /year or 5652958 /ha /year), and option use value of 0,07% (IDR 911640 /year or128400 /ha /year).

Detergent to Mortality Level and Structural Damage of Gill Tissues on Nila Fish (Oreochromis niloticus L.) Mustofa Niti Suparjo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 5, No 2 (2010): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Nila fish (O. niloticus) is one of important commodity of fishery in Indonesian freshwater. One of effort to obtain the satisfying result in this activity was supported with good quality of water condition. The large volumes of detergent used, as cleanser in society, have the potential of happening contamination in aquatic environment. Condition of territorial water which progressively deteriorate will influence the organism which live in it.The aims of this research was to know influence of surfactan detergent (LAS) Linear Alkylbenzena Sulfonat to mortality level and structural damage of gill tissues on Nila fish (O. niloticus). The method which is used is a laboratory experiment using a completely randomised design consisting of 5 treatments and 3 replicates for each treatment. Result of antecedent test is value float for from LAS with the concentration equal to 100 mg/L, while sill of under detergent concentration is 10 mg/L. At continuation research, by using analysis probit indicated that the value of LC50-96 hours surfactan on Nila fish equal to 8,716 mg/L. While from perception result microscopicly indicate that happened the change at network of gill of Nila fish (O. niloticus) that is hiperplasia, lamellar fusion, hemorrhagi and atrofi. From the research result can be concluded that detergent have an effect into mortality and also structural damage of gill tissues as important organ of respiration at Nila fish (O. niloticus). Excelsior of detergent concentration hence mortality of Nila fish excelsior also. Key Word : Detergent; Nila Fish; Mortality; Gill Damage.

EFEKTIVITAS EKSTRAK BUNGA KENANGA (Cananga odorata) SEBAGAI BAHAN ANESTESI PADA TRANSPORTASI BENIH NILA MERAH (Oreochromis sp.) TANPA MEDIA AIR (The Effectiveness of Cananga Flower (Cananga odorata) as an Anesthetic Material On Trnsportation Red Tilapia Fry (Oreochromis sp.) Withoutt Water Media) Maryani Maryani; Eko Efendi; Deny Sapto Chondro Utom
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Bunga kenanga (Cananga odorata) mengandung senyawa eugenol yang mempunyai sifat anestesi, sehingga berpotensi sebagai bahan anestesi dalam transportasi ikan. Penelitian ini bertujuan untuk mengetahui pengaruh lama waktu transportasi terhadap survival rate (SR) benih nila merah pada uji simulasi transportasi. Metode penelitian yang digunakan untuk menentukan nilai konsentrasi adalah analisis probit. Rancangan penelitian yang digunakan adalah rancangan acak lengkap (RAL) dengan selang kepercayaan 95%. Hasil analisis probit uji LC50-96 jam nilai yang didapat yaitu 93,97 ppm, dan analisis probit pada uji EC50-1 jam yaitu 61,40 ppm. Uji transportasi menunjukan nilai kelangsungan hidup tertinggi terdapat pada perlakuan 1 jam dengan nilai rata-rata mencapai 91,1%. Hasil penelitian menunjukan bahwa perbedaan waktu berpengaruh nyata terhadap kelangsungan hidup benih nila merah. The Flower kenanga (Cananga odorata) contains euganolic substances that have trait anesthetic, therefore potentially as anesthesia for fish transportation. This research is intended to identify the effects of the transport duration towards the survival rate of seed red tilapia using a transportation simulation. The scientific method used in this research to determine the level of concentration used probit analysis. The design that was used was the complete random design (RAL) with a confidence interval of 95%. The analysis result of test probit LC50-96 hours was 93,97 ppm, and the analysis result of test probit EC50-1 hour was 61,40 ppm. The transportation test showed that the highest life sustainability was achieved during the 1-hour test with an average value of 91,1%. The results of the experiment showed that difference in duration has a real effect on life sustainability of the seed red tilapia.

PROFIL RUMPUT LAUT Caulerpa racemosa DAN Gracilaria verrucosa SEBAGAI EDIBLE FOOD (Caulerpa racemosa and Gracilaria verrucosa Profile as Edible Foods) Widodo Farid Ma’ruf; Ratna Ibrahim; Eko Nurcahya Dewi; Eko Susanto; Ulfah Amalia
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 9, No 1 (2013): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Masyarakat terutama di pesisir pantai Jepara banyak mengkonsumsi Caulerpa racemosa dan Gracillaria verrucosa sebagai sayuran, namun tidak banyak diketahui tentang profil komposisi kimia, serat dan makromineral. Tujuan penelitian ini adalah untuk mengetahui komposisi kimia, serat, dan makromineral pada Caulerpa racemosa dan Gracilaria verrucosa yang tumbuh di perairan Jepara. C. racemosa diambil dari perairan Jepara dan G. verrucosa diambil dari dua jenis tambak yaitu tambak bersubstrat lumpur (a) dan pasir (b). Hasil analisa menunjukkan bahwa karbohidrat merupakan nutrisi yang dominan, diikuti kadar abu G. verrucosa dan protein pada C. racemossa. Jumlah mineral C. racemosa berturut-turut Na > Ca > K. Sedangkan pada G. verrucosaa jumlah mineral berturut-turut K >Na >Ca dan G. verrucosab jumlah mineral berturut-turut Na >K >Ca. L-Threonine dan L-Glysine merupakan jumlah asam amino terbesar dalam rumput laut sedangkan L-asparagine tidak terdeteksi pada semua jenis rumput laut. Dilihat dari kandungan nutrisi dan mineral, kedua jenis rumput laut tersebut dapat dijadikan alternatif sebagai bahan bahan pangan. Kata kunci : Caulerpa racemossa, gracilaria verrucosa, nutrisi, edible foodJepara community consume Caulerpa racemossa and Gracillaria verrucosa but there is no much information about their chemical composition, fiber, and macro-minerals. This research was aimed to knowing chemical composition, fiber and macro-mineral in C. racemossa and G. verrucosa which grow in Jepara water area. C. racemossa was taken from Jepara water and G. verrucosa was taken from mud substrat (a) dan sand substrat (b). Carbohidrate was the dominant compound in all seaweed, ash dominant compounds in G. verrucosa and protein dominant compound C. racemossa, repectivelly. Minerals content in C. racemosaare was Na > Ca > K, respectivelly. In addition, minerals content in G. verrucosaaare K >Na >Ca and G. Verrucosa (b) are Na >K >Ca, repectivelly. L-Threonine and L-Glysine were the dominant amino acids in all seaweeds, whereas L-asparagine was not detected in all seaweeds. According to nutrition and mineral content in all seaweeds, they are able to use as an alternative food ingredients. Key words : Caulerpa racemossa, gracilaria verrucosa, nutrisi, edible food

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

Potential Commodity Based Fishing Technology Development in Lampung Bay Tri Hariyanto; Mulyono S Baskoro; John Haluan; Budhi H Iskandar
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 3, No 2 (2008): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Lampung Bay and the adjacent water bodies, Northern Sunda Strait, Western Java Sea, is a potential area for fish capture armada which based in South Lampung Coast. Not all the areas have maximum potency since there is inadequacy for fish capture technical armada and seasonal environment dynamic. This investigation identified fisheries resources on Lampung Bay and fishing gear and potential commodities to developed. This identification implemented by analyzing the provided data to obtain the illustration of Catch Per Unit Effort (CPUE) in the Lampung Bay area. Fish capture at the Lampung Bay has been shown the indication of production decline. Therefore, the attempt of capture organizing at the Lampung Bay and the improving of fisherman competence and armada to capture at the Lampung Bay water bodies or Indian Ocean (reach ZEE) should be conducted. Selective fishing gear for catch the potential commodities applied at the Lampung Bay areas. Keywords: Lampung bay, fisheries management, CPUE.

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Journal Mail Official
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Location
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Jawa tengah

INDONESIA