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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology

saintek
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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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ANALISIS MUTU SEDIMEN HABITAT KERANG DARAH (Anadara granosa L) DENGAN REBURIAL TEST (Sediment Quality Analysis for Habitat of Blood Cockle (Anadara granosa L) by Reburial Test) Haeruddin Haeruddin; Djoko Suprapto; Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 2 (2017): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Penelitian dilakukan untuk mengkaji mutu sedimen habitat kerang darah (Anadara granosa L) berdasarkan preferensi reburial. Uji dilakukan terhadap sedimen yang berasal dari Estuari Wakak-Plumbon di Kabupaten Kendal dan sedimen dari Pulau Panjang, Kabupaten Jepara, Jawa Tengah.Hasil pengujian menunjukkan bahwa kerang darah yang dipapar dalam sedimen dari estuari Wakak-Plumbon dan Pulau Panjang tidak menunjukkan kegagalan dalam upaya membenamkan diri (reburial failured) setelah dipapar selama 48 jam. Perbedaan hanya terjadi dalam waktu adaptasi sebelum membenamkan diri. Kerang darah umumnya membutuhkan waktu yang lebih lama untuk adaptasi sebelum membenamkan diri pada sedimen yang berasal dari Estuari Wakak-Plumbon dibanding dari Pulau Panjang. This research conducted to determine quality of sediment for habitat of blood cockle based on reburial reference. Test done to sediment from Wakak-Plumbon estuary on Kabupaten Kendal and from Panjang Island, Kabupaten Jepara, Central Java. The results showed that blood cockle exposed to sediment from two location are not different in reburial failured, but different in time needed for adaptation before reburial. Anadara granosa needed more time to adapted, before reburial in Wakak-Plumbon sediment.

Program Performance Analysis of Pekalongan.Nusantara Fishing Port Much Arif Wijayanto; Agus Suherman; Abdul Kohar M.
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

The objective of this research is to find out the work program and performance percentage level of the Nusantara Fishery Harbor (NFH) of Pekalongan, using the Balanced Scorecard (BSC) analysis. The research method used in this research is the descriptive method and it is a case study research. The primary data are collected from interviews-, meanwhile, the secondary data are collected from the related services and literature study presented in the institutions having the connections to the observed objects. Data analysis uses the Balanced Scorecard (BSC) analysis. The research results show that the work program executed by the NFH of Pekalongan is almost the same in every year from 2007 to 2009, as many as 8 (eight) activities. Among them are, salary, allowance and wage management, responsible and continuous fish resource utilization program, office operation management, program development and financial administration program. fishery business development and management program, data development and fishery statistical program, fishery facility and infrastructure improvement and development program, and organization of revitalization program. Meanwhile, for performance level, the Nusantara Fishery Harbor of Pekalongan is excellent. This can be seen from the DOCS average value as much as 99.33%, in which, the 2007 DOCS value was 98.22% with the gap value of -1.75%, the 2008 DOCS value was 99.93% with the gap value of 0.07% and the 2009 DOCS value was 100% with the gap value of 0%. Key Words: Fishery Harbor, Performance Percentage

POLA SEBARAN UNDUR-UNDUR LAUT (Hippidae) BERDASARKAN SALINITAS SUBSTRAT DI PANTAI PAGAK, KEC. NGOMBOL, PURWOREJO, JAWA TENGAH (Distribution Pattern of Mole Crab (Hippidae) Based on The Substrat’s Salinity in Pagak Beach, Ngombol District, Purworejo Regency, Central Java) Setiaji Nugroho; Suryanti Suryanti; Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Pesisir selatan Jawa, khususnya pantai Pagak, Kabupaten Purworejo merupakan daerah potensial dengan beragam jenis biota yang seringkali dimanfaatkan masyarakat setempat sebagai bahan makanan. Biota tersebut diantaranya adalah yutuk (undur-undur laut) yang bermanfaat secara ekologis maupun ekonomis, namun pemanfaatan belum optimal. Penelitian ini bertujuan untuk mengetahui kelimpahan dan pola sebaran undur-undur laut sebagai dasar pemilihan daerah penangkapan undur-undur laut dan hubungan salinitas substrat dengan kelimpahan undur-undur laut yang ada di pantai Pagak, Kabupaten Purworejo. Penelitian dilakukan pada bulan Januari 2018. Pengambilan sampel biota dan substrat dilakukan pada tiga stasiun dimana setiap stasiun dilakukan tiga kali pengulangan pada hari yang berbeda. Pengambilan sampel menggunakan teknik purposive sampling. Hasil penelitian menunjukkan kelimpahan undur-undur laut (hippidae) di pantai Pagak berkisar 2-4 individu/m2 dengan pola sebaran yang mengelompok. Kelimpahan tersebut cenderung lebih tinggi pada salinitas substrat kisaran 33-35 ppt. Salinitas substrat berpengaruh terhadap kelimpahan undur-undur laut (hippidae) di pantai Pagak dan keduanya mempunyai hubungan yang lemah (r = 0,371). Southern coast of Java, especially Pagak beach, Purworejo Regency is a potential area with various types of biota that are often used by local people as food. One of the biota is mole crab that is useful ecologically and economically, while the existing utilization is not yet optimal and sustainable. The purpose of this research is to know the abundance and distribution pattern of mole crab as the basis for the selection of good and sustainable fishing areas of mole crab, and the relationship between substrate salinity and the abundance of mole crab at Pagak beach, Purworejo Regency. The study was conducted in January 2018. Samples collection of biota and substrate were conducted at three stations where each station was carried out with three replication on different days. Purposive sampling technique was used to take the sample. The results showed the abundance of mole crab (hippidae) at Pagak beach ranged from 2 to 4 individuals / m2 with a group pattern of distribution. The abundance tends to be higher in the substrate salinity of 33-35 ppt range. Substrate salinity and abundance of mole crab have weak relationships

IDENTIFIKASI SELAT DI KABUPATEN KARIMUN PROVINSI KEPULAUAN RIAU BERDASARKAN KAIDAH TOPONIMI (Strait Identification in Karimun Regency Riau Islands Province Based on Toponymy Method) Yulius Yulius; H.W.L. Salim
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 9, No 2 (2014): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Survei toponim selat telah dilakukan dengan studi kasus di sekitar Kabupaten Karimun, Provinsi Kepulauan Riau. Indonesia merupakan negara kepuluan, selayaknya memiliki data yang pasti akan jumlah dan posisi unsur-unsur maritim seperti pulau, teluk, tanjung dan selat. Perhitungan sementara menunjukkan bahwa jumlah pulau sekitar 13 ribu lebih, jumlah teluk 612 dan tanjung 2141, sedangkan selat sebanyak 214. Jumlah selat tersebut menunjukkan bahwa masih sedikit perhatian dan penelitian yang mengkaji tentang selat di Indonesia. Selat sebagai salah satu unsur maritim juga tak kalah penting untuk dikaji, guna menyediakan data dasar untuk pengelolaan, pemanfaatan dan demi kepentingan kedaulatan negera. Tujuan penelitian ini adalah untuk mengetahui kemungkinan dilakukan kegiatan toponim selat di Indonesia dan mengetahui dasar penamaan selat di daerah penelitian. Metode yang digunakan adalah studi literatur, penggunaan perangkat lunak pengolah citra satelit dan Sistem Informasi Gegrafis (SIG). Survei yang dilakukan berhasil mengindentifikasi 21 nama selat dengan 6 nama selat bernama dari peta laut DISHIDROS TNI-AL dapat diperbaharui dari hasil survei, dan dari selat-selat yang tidak memiliki nama pada peta tersebut berhasil diberi nama sebanyak 15 buah nama selat. Proses toponim selat di daerah penelitian berdasarkan pada bentuk topografi, flora, fauna, bentuk dan posisi selat, sejarah dan suku bangsa. Kata kunci : Kabupaten Karimun, SIG, selat, toponim The Survey of Straits Toponymy has been conducted in approximately Karimun County Riau Archipelago Province. Indonesia is an archipelagic country, should have data that would be the number and position of the maritime elements such as islands, bays, capes and straits. Preliminary calculations indicate that the number of islands about 13 thousand more, the number of bays 612 and cape in 2141, while as many as 214 of the strait. Total strait shows that there is still a little attention and research study on the strait in Indonesia. Strait as one of the main elements of maritime also equally important to examine, in order to provide basic data for the management, utilization and in the interest of the sovereignty of countries. The purpose of this study was to explore the possibilities of the strait toponym, activities in Indonesia and know the basic naming the strait in the study area. The method used is literature study, the use of satellite image processing software and Geographic Information System (GIS) and field surveys. The result of the survey identified 21 straits, 6 straits have been named and 15 straits have been identified from filed survey. Toponym process for the strait in the study area based on topography shapes, floras, faunas, shapes and position of straits, history and ethnicity. Key words: Karimun Regency, GIS, strait, toponym

PERBANDINGAN HASIL TANGKAPAN UDANG DENGAN MENGGUNAKAN LAPDU, GILTONG DAN TRAMMEL NET DI PERAIRAN SAENGGA KABUPATEN TELUK BINTUNI Dahri Iskandar1
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

This experiment was carried out at Saengga Waters of Teluk Bintuni Regency using 6 (six) pieces of trammel net, lapdu and gilltong, respectively. The objective of this experiment was to compare catchability of trammel net, lapdu and gilltong for capturing shrimp. Total catch obtained in this experiment was 534 fishes which consist of 25 species. Dominant catch was banana prawn (Penaeus indicus) i.e 38.6% of total catch, followed by flatfish (Cynoglosus sp) and croaker fish (Cynoglosus sp) which consist of 17.04 % and 10.11 % of total catch, respectively. Dominant catch of gilltong and lapdu was dominated by fish while catch of trammel net was dominated by prawn. In term of Catch per Piece of Net, trammel net caught significantly large number of catch than gilltong and lapdu. Key Words: Trammel Net, Gilltong, Lapdu, Catch, Shrimp

PERSEPSI DAN ASPIRASI NELAYAN TERHADAP RENCANA PEMBANGUNAN PLTU DI KAWASAN KONSERVASI LAUT DAERAH UJUNGNEGORO KABUPATEN BATANG (Perception and Aspiration of the Fishermen Concerning to Project Planning of Vapor Electricity Power Plant) Trisnani Dwi Hapsari; Dian Ayunita NND
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 Di wilayah pesisir Kabupaten Batang terdapat program pengelolaan wilayah pesisir yang dikenal dengan nama Kawasan Konservasi Laut Daerah Ujungnegoro. Namun, saat ini sedang direncanakan akan dibangun PLTU di pantai Ujungnegoro Kabupaten Batang, yang merupakan PLTU terbesar di Indonesia bahkan Asia Tenggara. Munculnya rencana pembangunan PLTU di wilayah KKLD Ujungnegoro-Roban menimbulkan polemik di kalangan masyarakat. Tujuan penelitian ini untuk mengkaji peraturan mengenai pengelolaan KKLD, mengkaji persepsi dan aspirasi nelayan terhadap rencana pembangunan PLTU di Kawasan KKLD serta menganalisis hubungan antara partisipasi masyarakat nelayan dalam pengelolaan KKLD dengan persepsi masyarakat nelayan terhadap rencana pembangunan PLTU. Metode penelitian yang digunakan adalah metode survei deskriptif yang bersifat studi kasus. Metode analisis data dengan menggunakan uji validitas dan reliabilitas untuk menguji hasil pengisian kuesioner serta uji Kai Kuadrat (Chi-Square) untuk menggambarkan hubungan antara persepsi dan tingkat partisipasinya. Kesimpulan dari penelitian ini yaitu bahwa peraturan KKLD yang mengalami 3 kali perubahan mulai dari penetapan Kawasan Konservasi Laut Daerah Ujungnegoro-Roban Kabupaten Batang yang ditetapkan melalui SK Bupati Batang Nomor 523/283/2005 dan diperbaharui menjadi Nomor 523/306/2011 kemudian terakhir ditetapkan sebagai pencadangan kawasan taman pesisir Ujungnegoro – Roban dan sekitarnya di Kabupaten Batang melalui SK Bupati Batang Nomor 523/194/2012 diduga sebagai upaya untuk melancarkan proyek PLTU, karena dengan SK tahun 2012 tersebut, maka kawasan yang akan dibangun PLTU bukan lagi kawasan konservasi laut. Mayoritas responden nelayan Ujungnegoro dan Roban (98%) menyatakan pembangunan PLTU tidak mungkin diimplementasikan dengan baik dan akan berdampak negatif bagi nelayan. Lebih lanjut partisipasi nelayan dalam pengelolaan KKLD tidak berpengaruh pada persepsi nelayan terhadap rencana pembangunan PLTU. Nelayan yang cukup aktif maupun yang tidak berpartisipasi aktif dalam pengelolaan KKLD mempunyai persepsi negatif terhadap rencana pembangunan PLTU (98% responden). Kata kunci : persepsi nelayan, PLTU, KKLD Batang In Batang Regency coastal had a coastal area management programme with conservation concept called “ Regional Coastal Conservation Area” or KKLD. Recently, project planning for a Vapor Electricity Power Plant (PLTU) has been running in this conservation area. The planning of this project caused polemic among the society. Reseach purposes were to examines about KKLD regulation/policy, fishermen’s perception and aspiration concerning to program planning of Vapor Electricity Power Plant and to analysis the influence of fisher’s participation in KKLD management into their perception of PLTU project planning. This research was survey with descriptive method for case study. Data were analysed with validity test and reliability test for questionare construct, and Chi Square test was used to analyse correlations between perceptions and participations. The research concluded that KKLD area legally formed by Batang Government was allegedly as an effort to smooth of PLTU project. Mayor Decree No. 523/194/2012 only a swift way to replace KKLD area into PLTU. Fisher’s aspirations of Ujungnegoro-Roban 98% sure that PLTU project planning can’t be implemented and has bad impact for them. Fisher’s participation in KKLD management has no influnce into their perception of PLTU project planning. Fisher’s with active or inactive participations in KKLD management had negative perceptions for PLTU project planning (98% respondents). Keywords : fishermen’s perception, Vapor Electricity Power Plant, Coastal Conservation Area

The Effect of Gracilaria verrucosa Extract Feeding to the Blood Glucose Content of White Rats (Rattus norvegicus) S.A., Candra Tama; Dewi, Eko Nurcahya; Ibrahim, Ratna
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

Food fibre could retard the absorption of glucose into blood. Gracilaria verrucosa seaweed species contains high food fibre. The objective of the study was to investigate the effect of different doses of G. verrucosa extract fed on white rats (Rattus norvegicus) to the blood glucose after one and two hours feeding of extract. The results indicated that the different G. verrucosa extract doses fed on white rats caused highly significant difference in the blood glucose contents from the blood samples of the treatments after one hour and two hours feeding time. The blood glucose contents were highly significant lower compared to the control. The highest dose was 4.5 g/kg body weight could reduce 53.65% of blood glucose content. Keywords : Gracilaria verrucosa, white rats, blood glucose.

PENGARUH PENGGUNAAN MINYAK IKAN TERSULFIT TERHADAP NILAI KELEMASAN DAN KUALITAS KULIT IKAN PARI MONDOL (Himantura gerardi) TERSAMAK The Effect of Using Different Concentration of Sulfited Fish Oil on The Softness and Quality of Formalin Tanned Stingray (Himantura gerardi) Leather Gina Utami Dewi; Ratna Ibrahim; Ima Wijayanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Penyamakan kulit ikan Pari umumnya menggunakan minyak sintetis pada proses peminyakan. Kulit ikan Pari tersamak yang kaku membatasi pembentukan model aksesoris, sehingga perlu adanya alternative penggunaan minyak non sintetis, salah satunya minyak ikan tersulfit. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan minyak ikan tersulfit terhadap nilai kelemasan dan kualitas kulit ikan Pari Mondol tersamak. Penelitian dilakukan dengan metode eksperimental laboratoris. Percobaan dirancang dengan Rancangan Acak Lengkap (RAL) dengan perlakuan konsentrasi minyak ikan tersulfit yang berbeda, yaitu 14%, 16%, 18%, dan kontrol (15% minyak sintetis). Variabel kualitas produk yang diamati adalah kelemasan, kekuatan tarik, kemuluran, kekuatan sobek, ketebalan, ketahanan bengkuk, kadar air, kadar lemak, dan pH. Hasil penelitian menunjukkan bahwa penggunaan minyak ikan tersulfit pada proses peminyakan kulit ikan Pari Mondol tersamak berpengaruh nyata terhadap nilai kelemasan, kemuluran, kekuatan sobek, dan kadar lemak. Kualitas produkkulit ikan pari tersamak terbaik yaitu produk yang menggunakan minyak ikan tersulfit dengan konsentrasi 16%. Produk tersebut menghasilkan nilai kelemasan yang memenuhi persyaratan ISO dan kualitasnya memenuhi persyaratan mutu Kulit Ikan Pari Tersamak menurut SNI. Tannery of Stingray usually uses synthetic oil in fatliquoring process. Tanned Stingray leather is rigid, as of limiting the modeling accessories formation. so the need for alternative use of non-synthetic oil, sulfited fish oil one. This study aims to determine the effect of sulfited fish oil against softness value and quality of fish Pari Mondol tanned skin. The study was conducted with laboratory experimental method. The experiments are designed with completely randomized design (CRD) by treatment with sulfitted fish oil different concentration, namely 14%, 16%, 18%, and controls (15% synthetic oil). The variable quality of the products observed were softness, tensile strength, elongation, tear strength, thickness, crooked durability, moisture content, fat content, and pH. The results showed that the use of sulfited fish oil in the process of tanned stingray leather significantly affect the value of softness, elongation, tear strength, and fat content. The best quality of tanned stingray tanned leather was tanned stingray leather with sulfited fish oil 16%. The product produced softness value that fulfill the requirements of ISO and the quality requirements tanned stingray leather by SNI..

Genetic Diversity of Zooxanthellae from Several Host in the Coral Reef Waters at Bokor Island Jepara Purnomo, Pujiono Wahyu
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 7, No 1 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

In the life history of coral, which is almost no corals living without zooxanthellae. Some clade of zooxanthellae have been identified and found. Studies on clade of zooxanthellae contributes to the diversity of the information andexplanations which provides for the meaning of the phenomenon of fluctuations in coral reefs, include at around coral reef waters of Bokor Island Jepara. This study aims to evaluate the diversity of zooxanthellae derived from several types of hosts and distribution of its existence. Research was conducted at the Brackishwater Aquaculture Development Centre (BBPBAP) Jepara between July to October 2005. Provision of zooxanthellae has been done with the stage ofpurification, whereas for the evaluate of zooxanthellae diversity by using DNA analysis with RFLP (RestrictionFragment Length Polymorphisme) technique and continued with the phylogenik analysis to perform grouping among clade found. Results showed that : (a) Variation of zooxanthellae clade diversity from host sea anemone, tridacna, Acropora, Favites and Goniastrea are clade A, clade B and clade C, with the zooxanthellae clade Tridacna and sea anemones profile by 80% are clade A and 20% are clade B; zooxanthellae clade profile from Acropora by clade A (60%), clade B (20%) dan clade C (20%); zooxanthellae clade profile from Favites by clade A (20%), and clade C (80%) and zooxanthellae clade profile from Goniastrea by clade A (60%), and clade C (40%). (b) Based on the distribution of the host, then clade A is predominantly found in shallow depths (<3m). Key words: Zooxanthellae, clade

APLIKASI ES CURAI DARI MESIN PENGHANCUR ES PADA KUALITAS PROTEIN DAGING KERANG REBUS (Anadara granosa) (The Application of ice crusher from designing machine in protein quality shellfish meat steamed (Anadara granosa) Romadhon Romadhon; Tri Winarni Agustini; Selamet Suharto; Y.S. Darmanto; Ahmad Suhaeli Fahmi
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 13, No 2 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Kandungan protein Kerang Anadara granosacukup tinggi sehingga rentan sekali mengalami pembusukan. Kendala yang dihadapi dalam penggunaan es adalah bentuk es. Penggunaan bongkahan es yang besar dan kasar serta tajam akan menyebabkan kerusakan fisik. Alternatif yang dapat diterapkan adalah Alat pemecah es . Penelitian ini bertujuan mengamati kualitas dan kerusakan protein selama pendinginan dengan membandingkan es curai yang dihancurkan manual dan es curai hasil dari mesin penghancur es. Metode yang dilakukan dengan Pengesan daging kerang dengan es yang dihancurkan manual dengan es hasil mesin penghancur.Sampel disimpan selama 6 hari dan diamati kandungan protein dan TVB-N setiap 3 hari sekali. Rancangan Percobaan menggunakan rancangan faktorial dengan 2 faktor yaitu es yang dihancurkan secara manual dan dihancurkan mesin penghancur es. Hasil dari penelitian ini didapatkan kandungan protein kerang tanpa pengesan dari hari ke-0 14.04±0,71 %; dan hari ke-6 9.27±0.17%. Kandungan protein kerang yang diberi es balok yang dihancurkan secara manual hari ke-0 14,23±0,46%; dan hari ke-6 11,68±0,40%. Kerang yang menggunakan es curai hasil mesin penghancur es hari ke-0 adalah 13,91±0,68%; dan hari ke-6 yaitu 14,28±0,63%. Hasil kandungan TVB-N kerang tanpa pengesan dari hari ke-0 13.11±0,29 mgN/100g; dan hari ke-6 64,97±0.61mgN/100g. Kerang yang diberi es balok yang dihancurkan secara manual hari ke-0 13,00±0,48 mgN/100g; dan hari ke-6 23,28±0,53 mgN/100g. Kerang menggunakan es curai hasil mesin penghancur es hari ke-0 adalah 13,21±0,66 mgN/100g; dan hari ke-6 yaitu 19.72±0,49 mgN/100g. Protein content Anadara granosa shells are high enough to be prone to decay. The obstacle faced in the use of ice is the form of ice. The use of large, rough and sharp blocks of ice will cause physical damage. The applicable alternative is the Ice Breaker. This study aims to observe the quality and deterioration of proteins during cooling by comparing the manually destroyed ice cubes and ice cultivated from ice-breaking machines. The method is done with the Order of shellfish with the ice that is destroyed manually with ice crushing machine. Samples are stored for 6 days, and observed the content of protein and TVB-N every 3 days. The experimental design used a factorial design with 2 factors: manually destroyed ice and crushed ice crusher. The results of this study found the content of shell protein without impressive from day-0 14.04 ± 0.71%; and 6th day 9.27 ± 0.17%. The content of shellfish protein given ice beam which was manually destroyed on day 0 14.23 ± 0.46%; and the 6th day 11.68 ± 0.40%. The shell that used ice cubes from the 0 th day crusher was 13.91 ± 0.68%; and the 6th day is 14.28 ± 0.63%. Results of TVB-N content of shellfish without impression from day 0 13.11 ± 0.29 mgN / 100g; and day 6 64,97 ± 0.61mgN / 100g. Shellfish with ice blocks manually destroyed on day 0 13.00 ± 0.48 mgN / 100g; and day 6 23.28 ± 0.53 mgN / 100g. The shells using ice cubes from the 0 th day crusher were 13.21 ± 0.66 mgN / 100g; and day 6 is 19.72 ± 0.49 mgN / 100g.

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Journal Mail Official
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Location
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Jawa tengah

INDONESIA