scholarly journals MUTU IKAN ROA (Hemirhamphus sp.) ASAP YANG ADA DI PASAR TRADISIONAL DI KOTA MANADO YANG DISIMPAN PADA SUHU RUANG

Author(s):  
Chlara Noni Patty ◽  
Verly Dotulong ◽  
I Ketut Suwetja

Fish is a source of food that is needed by humans because it contains a lot of protein. Protein and water contained in fish is quite high, so the fish including perishable commodities. Therefore, it is necessary to inhibit the process of decay by means of preservation and processing. Fumigation is one of the ways of fish processing that works to preserve and provide aroma with a distinctive flavor. Curing fish intended to have lasting power and gives a distinctive aroma. Roa fish or halfbeak (Hemiramphus sp.) Smoke (traditional name is Galavea) is one of the processed fish products consumed by the people who processed traditionally done by generations in North Sulawesi. Roa smoked fish processing business is done today is done with a simple technique using wood as fuel. This study aims to determine the quality of fish roa Fumes that are sold in traditional markets in the city of Manado through a test moisture content, Total Volatile Base Nitrogen (TVB-N), Total Plate Count (TPC), pH and Organoleptik during 0, 7, 14 and 21 days of storage at room temperature. The method used is descriptive exploratory method which collects data fact that has been available in the field through the records and observations in detail and then systematically analyzed data based on quantitative and qualitative data. The parameters used in this study is a test moisture content, pH, TVB-N, TPC and Appearance. With the results obtained from the analysis of the highest water content (14.4), the lowest (12.1); The highest pH test (6.75), the lowest (5.87); TVB-N test the highest (63), the lowest (41.58); The highest TPC test (39.5×103), the lowest (13×102); organoleptic highest appearance (7.4), the lowest (5.3); The highest odor organoleptic (7.9), the lowest (6.5); organoleptic taste of the highest (7.9), the lowest (6.9); organoleptic texture highest (7.5), the lowest (7.1). Keyword: Fish halfbeak (Hemiramphus sp.), Quality of Fish, Water content, pH, TVB-N, TPC, Appearance.   Ikan merupakan salah satu sumber makanan yang sangat dibutuhkan oleh manusia karena banyak mengandung protein. Kandungan protein dan air yang terdapat pada ikan cukup tinggi, sehingga ikan termasuk komoditi yang mudah busuk. Oleh karena itu, diperlukan upaya untuk menghambat proses pembusukan dengan cara pengawetan dan pengolahan. Pengasapan adalah salah satu cara pengolahan ikan yang berfungsi untuk mengawetkan serta memberi aroma dengan cita rasa yang khas. Pengasapan ikan ditujukan untuk mendapatkan daya awet dan memberi aroma yang khas. Ikan Roa atau Julung-julung (Hemirhamphus sp.) asap (nama tradisionalnya adalah Galavea) adalah salah satu produk ikan olahan yang dikonsumsi oleh masyarakat yang diolah secara tradisional yang dilakukan secara turun-temurun di Sulawesi Utara. Usaha pengolahan ikan roa asap yang dilakukan saat ini masih dilakukan dengan teknik yang sederhana dengan menggunakan kayu sebagai bahan bakarnya. Penelitian ini bertujuan untuk mengetahui mutu ikan roa asap yang di jual di pasar tradisional di kota Manado melalui uji Kadar air, Total Volatile Base Nitrogen (TVB-N), Total Plate Count (TPC), pH dan Organoleptik selama 0 hari, 7 hari, 14 hari dan 21 hari penyimpanan pada suhu ruang. Metode penelitian yang digunakan adalah metode eksploratif deskriptif yaitu mengumpulkan data fakta yang telah tersedia dilapangan melalui pancatatan dan pengamatan secara terperinci dan sitematik kemudian dilakukan analisa data berdasarkan data kualitatif dan data kuantitatif. Parameter yang digunakan dalam penelitian ini adalah Uji Kadar air, pH, TVB-N, TPC dan Organoleptik. Dengan hasil yang diperoleh dari analisa kadar air tertinggi (14,4), terendah (12,1); uji pH tertinggi (6,0), terendah (5,87); uji TVB-N tertinggi (60.9), terendah (43,26); uji TPC tertinggi (39,5×103), terendah (13×102); organoleptik kenampakan tertinggi (7,4), terendah (5,3); organoleptik bau tertinggi (7,9), terendah (6,5); organoleptik rasa tertinggi (7,6), terendah (6,9); organoleptik tekstur tertinggi (7,5), terendah (7,1). Kata Kunci: Ikan Julung-julung (Hemirhamphus sp.), Kadar Air, pH, TVB-N, TPC, Organoleptik.

2020 ◽  
Vol 4 (2) ◽  
pp. 142-150
Author(s):  
Sofia nggoweng ◽  
Ni Made Ayu Suardani singapurwa ◽  
I Nyoman Rudianta

Instant spices is a mixture of several spices that are young to be found in the market at an affordable price, and are usually used immediately as a cooking spice for certain foods. This study aims to determine the quality of the "Base Genep" instant spices sold in the East Denpasar Market. This research is a descriptive study using survey and experimental methods in the laboratory. The number of samples to be studied was 44 samples from 81 populations. The variables in the study were moisture content, pH, Escherichia coli, Total Plate Count (TPC) and mold. The results showed that from 44 samples of "Basa Genep" instant seasoning water content test results obtained were 21.62% - 23.707%, while the pH value of 44 samples of "Basa Genep" instant spice was obtained between 2.2-2.5 so that it meets the requirements.


Author(s):  
Diah Ikasari ◽  
Theresia Dwi Suryaningrum

Quality asessment of pangasius (Pangasius hypopthalmus) fillets stored in ice has been conducted. Fish were fasted for one day and slaughtered using bleeding techniques, drained for 10 minutes and filleted in various types of fillet: skin on, skinless, trimmed and untrimmed condition. Fillets were then washed and packed in vacuum plastics, stored in ice (0-4 ºC) for 18 days and observed for its sensory, chemical and microbiological parameters every 3 days. The sensory evaluation was conducted both for fresh or cooked fillets using scoring test on attribute of appearance, odor and texture as well as hedonic test. The chemical parameters observed were proximate; pH and Total Volatile Base (TVB); while microbiological parameter was Total Plate Count (TPC). Results showed that type of fillet did not significantly affect the quality of pangasius fillets. The quality of all treated fillet decreased in line with time of storage, all products were rejected after being stored for 18 days. At the time of rejection, the quality parameters: moisture content ranging from 80.1 to 81.3%, TVB from 11.1 to 11.5 mg N/100g and TPC from 1.41 to 4.6x105 CFU/ml. It is suggested to preserve pangasius fillets in ice less than 18 days.


Jurnal MIPA ◽  
2015 ◽  
Vol 4 (1) ◽  
pp. 57
Author(s):  
Christiviany A. Lalompoh

Telah dilakukan penelitian tentang kualitas ikan Cakalang (Katsuwonus pelamis) melalui proses presto pada beberapa hari penyimpanan. Ikan presto merupakan ikan yang direbus pada suhu dan tekanan tinggi sehingga menghasilkan ikan dengan duri yang lunak dan mudah untuk dikonsumsi. Pengolahan ikan dilakukan dengan menggunakan bumbu dan tanpa bumbu. Lama penyimpanan bergantung pada kerusakan ikan. Kualitas ikan yang diukur adalah kadar protein, kadar air, kadar malondialdehid (MDA), dan Total Plate Count (TPC). Hasil penelitian menunjukkan bahwa kadar protein ikan cakalang presto pada semua perlakuan, mengalami peningkatan setelah melalui proses presto. Kadar air dan nilai TPC pada semua perlakuan dan kadar MDA pada pemberian bumbu, belum melewati batas mutu, sedangkan kadar MDA ikan Cakalang presto tanpa pemberian bumbu, sudah melewati batas mutu yang ada.Studies about the quality of Cakalang fish (Katsuwonus pelamis) through presto process on several days storage has been carried out. Presto fish is a fish boiled at high temperature and pressure to produces spines fish that soft and easily consumed. Fish processed by using seasoning and without seasoning. The storage time depends on the desstruction of fish. Fish quality that measured are protein content, water content, malondialdehid (MDA) content, and Total Plate Count (TPC). The results showed that the protein content of Cakalang presto of all treatmens increased through the presto process. Water content and TPC value of all treatments and MDA content of seasoning treatment yet to pass the quality line, while MDA content of Cakalang presto without seasoning treatment has passed the existing quality line.


2018 ◽  
Vol 6 (2) ◽  
pp. 54
Author(s):  
Mulyana Mulyana ◽  
Dwi Indah Widya Yanti

Mackerel fish is sea fishs species which are pelagic marine fish groupwhich has a distinctive taste so favored by the people. frozen mackerel is a fishs that is easily damaged. Thus the fishs need to be handling it well. Fishskeep the temperature will affect the quality of the fishs. during storage in the storage and distribution processing. can affect product quality. To decrease the quality of frozen mackerel fishs products need to note the changes that occur either through physical, chemical and biological. It explains research to analyze the quality of fishs products frozen mackerel observe  aspects of Microbiology testing and Appearance. Based on the results of microbiological and organoleptic frozen mackerel fish, it can be conclude that test for microbiological test total plate count (TPC) is below the standard value in accordance with ISO 4110, 2014. for Uju E, coli is negative, Salmonella Test is Begatif, Vibrio Colera test is also negative and Appearance Test Values above 7 quality fish so the test results of Microbiology and poduct organoleptic frozen mackerel safe for consumption as the above test result.


2015 ◽  
Vol 3 (2) ◽  
Author(s):  
Gabriella Christy Angela ◽  
Feny Mentang ◽  
Grace Sanger

Sub sector of fishery is constitute primary mainstay which source of food and nutrition for Indonesian society. Fish is a source of protein also recognized as “function food” which has significant important for health because it contains unsaturated fatty acid chain length (especially those classified as Omega-3 fatty acid), vitamins, as well as macro minerals. One way of processing and preserving fish is by fogging. Fogging is a way of processing or preservation by utilizing a combination of drying treatment and giving the natural chemical compound from the results combustion of natural fuel. One right way to maintain durable power of cakalang (Katsuwonus pelamis, L.) is by the vacuum packed fish. The main principles of the vacuum packed is expenditure especially air from the product so that extend the self life. And next modified with the cold storage to obtain good results. This research aims to observe the setback chemical quality of cakalang. Fogging for 0 day, 7 day, and 21st day. Storage temperatures (5°C) at vacuum and non vacuum packed with testing of the quality water content, pH, Total Plate Count (TPC), Total Volatile Base Nitrogen (TVBN), and Organoleptik. The Method Experiment Explorative which reveal facts based on the exciting problems by hypothesis. Parameter used in this research is testing water content, pH, TPC, TVB, and Organoleptik. The results of this research from 5 parameter obtained: The Value of highest water level (53.95%), lowest (20.14%). The Value of highest pH (5.9), lowest (5.8). The Value of highest TVB (43.36mg N/100gr), lowest (21.84mg N/100gr). The Value of highest TPC (TBUD), lowest (<30). The Organoleptic value of flavor (6.3–8.2), appearance (4.3–7.5), aroma (4.3–8.9) and texture (4.9–7.9). Keyword: Skipjack (Katsuwonus pelamis L), Smoke, Study Quality, Chemical, TVB-N, pH, Moisture, TPC, Organoleptik.   Sub sektor perikanan merupakan andalan utama sumber pangan dan gizi bagi masyarakat Indonesia. Ikan merupakan sumber protein, juga diakui sebagai functional food yang mempunyai arti penting bagi kesehatan karena mengandung asam lemak tak jenuh berantai panjang (terutama yang tergolong asam lemak omega-3), vitamin serta makro dan mikro mineral. Salah Satu cara pengolahan dan pengawetan ikan adalah dengan cara pengasapan. Pengasapan merupakan cara pengolahan atau pengawetan dengan memanfaatkan kombinasi perlakuan pengeringan dan pemberian senyawa kimia alami dari hasil pembakaran bahan bakar alami. Salah satu cara yang tepat untuk mempertahankan daya awet ikan cakalang (Katsuwonus pelamis L.) asap yaitu dengan dikemas vakum. Prinsip utama dari pengemasan vakum adalah pengeluaran khususnya 02 dari produk sehingga dapat memperpanjang masa simpan. Selanjutnya dimodifikasi dengan penyimpanan dingin untuk memperoleh hasil yang lebih baik. Penelitian ini bertujuan untuk mengamati kemunduran mutu kimiawi ikan Cakalang asap selama 0 hari, 7 hari, dan 21 hari, penyimpanan pada suhu dingin (±5 ºC ) yang dikemas vakum dan non vakum dengan pengujian mutu meliputi Kadar air, pH, Total Plate Count (TPC), Total Volatile Base Nitrogen (TVB-N), dan Organoleptik. Metode penelitian yang digunakan adalah metode eksperimen eksploratif yaitu mengungkapkan fakta-fakta berdasarkan permasalahan yang ada melalui hipotesa. Parameter yang digunakan dalam penelitian adalah uji Kadar Air, uji pH, uji TPC, uji TVB-N, dan uji Organoleptik. Hasil penelitian yang diperoleh dari 5 parameter uji, diperoleh nilai kadar air tertinggi (53,95%), terendah (20,14%); nilai pH tertinggi 5,9, terendah 5,8; nilai TVB tertinggi (45,36mg N/100gr), terendah (21,84mg N/100g); nilai TPC tertinggi (TBUD), terendah (<30); nilai Organoleptik (Rasa) tertinggi (8,2), terendah (6,3); nilai Organoleptik (Kenampakan) tertinggi (7,5), terendah (4,3); Nilai Organoleptik (Bau) tertinggi (8,9), terendah (4,3); nilai Organoleptik (Tekstur) tertinggi (7,9), terendah (4,9). Kata Kunci: Ikan Cakalang (Katsuwonus pelamis L.), asap, Kajian Mutu, TVB-N, pH, Kadar Air,TPC, Organoleptik.


2012 ◽  
Vol 34 (3) ◽  
pp. 178
Author(s):  
Dellen Naomi Matulessy ◽  
Edi Suryanto ◽  
Rusman (Rusman)

<p>The experiment was conducted to evaluate the quality of frozen broiler carcass sold in traditional markets of North Halmahera. Samples were taken from three traditional markets that selling frozen broilers and five sellers for each market were chosen. Three carcasses were taken from each trader replications. Macroscopic observation was done by seven panelists to asses 14 carcasses from each seller. Parameters observed were macroscopic characteristis of carcasses i.e. conformation, fleshing, fat cover, wholeness, discoloration, defeathering, color, and aroma of carcass. Physical characteristis determined were pH, cooking loss, water-holding capacity, and tenderness. Chemical composition included water, fat, and protein contents, and microbial quality consisted of total microbial, Coliform and Escherichia coli bacteria. Macroscopic characteristic data were assessed using descriptive analysis based on National Standard, whereas physical quality, chemical and microbial quality data were analyzed using analysis of variance<br />completely randomized design. The differences between means, were tested using Duncan’s new Multiple Range Test. The results showed that the average macroscopic properties of conformation, fleshing, fat covering, wholeness,<br />discoloration, defeathering and the colour of frozen broiler carcasses with score I, were 40.41, 38.16, 50.41, 49.80, 49.59, and 50.82% respectively. Quality factor of the aroma/odor of a carcass with score II was 63.47%. The data of<br />physical quality of broiler meat were as follow: pH 6.16, cooking loss 21.72%, water-holding capacity 23.01%, and tenderness 2.81 kg/cm2. The chemical composition of broiler meat were moisture 71.93%, lipid 2.50% and protein<br />20.11%. Data of microbial quality of broiler carcass were total plate count 7.1x105 cfu/g, and E.coli 0.8x101 cfu/g, there was not any significant differences between the seller, however there was significant differences among the seller<br />on the number of coliform (P&lt;0.05). The conclusions of the experiment were that broiler carcasses sold in the traditional market in North Halmahera in respect of their physical characteristics and their chemical composition have not altered, whereas the microbial quality such as total plate count and E.coli number was still below threshold. Furthermore, coliform population was also below the maximum number allowed.</p><p><br />(Key words: Traditional market, Broilers frozen, Physical characteristics, Chemical composition, Microbial quality)<br /><br /></p>


Jurnal MIPA ◽  
2015 ◽  
Vol 4 (1) ◽  
pp. 75
Author(s):  
Magdalena F. Sidabutar

Telah dilakukan penelitian untuk mengetahui kualitas dari pengolahan ikan malalugis presto dengan perlakuan pemberian bumbu maupun tanpa bumbu selama beberapa hari penyimpanan pada suhu 5oC. Ikan malalugis (Decapterus kurroides) adalah salah satu sumber daya perikanan yang memiliki nilai ekonomis tinggi karena dagingnya memiliki cita rasa yang baik dan banyak digemari oleh masyarakat. Presto merupakan suatu teknik olahan yang dapat menghasilkan produk berduri lunak. Parameter uji yang dilakukan untuk menganalisis kualitas ikan malalugis presto adalah kadar protein, kadar air, kadar malondialdehid (MDA), dan Total Plate Count (TPC). Hasil penelitian ikan malalugis presto pada perlakuan pemberian bumbu maupun tanpa bumbu, menunjukan kadar protein mengalami peningkatan setelah proses presto. Kadar air dan TPC untuk ikan yang dibumbui dan tanpa bumbu, belum melebihi standar mutu. Kadar MDA pada pelakuan dibumbui atau tanpa bumbu  menunjukkan hasil yang melebihi standar mutu.Research have been done to know the quality from processing of malalugis fish presto with and without seasoning during for several days of depository at 5oC. Malalugis fish (Decapterus kurroides) is one of fishery resources which have high economy value because the meat had a good taste and many of the people loved that. Presto is a processing technique which to produce a soft-bone product. Parameter of test to analyze the quality of malalugis fish presto was content of protein, water, malondialdehyde (MDA) and Total Plate Count (TPC). Research result for malalugis fish presto with or without seasoning, showed decreasing of protein content after presto process. Water content and TPC for fish with and without seasoning on cold temperature (5oC) have not exceed of quality standard. MDA content of seasoning and without seasoning showed the result which have exceed of quality standard.


2017 ◽  
Vol 5 (1) ◽  
pp. 13
Author(s):  
Septian Gedoan Bentalen ◽  
Hens Onibala ◽  
Netty Salindeho

The purpose of this study was to determine the quality of smoked skipjack (Katsuwonus pelamis L) smoke pre-treated in a solution of mangosteen peel with a concentration of 3, 4 and 5%, with various soaking time, then stored and observed at 0, 3, 6, and 9 days. The results showed that the highest value of total plate count (TPC) was found in the fish sample storage for 9 days, soaking with a concentration of 3% for 30 minutes. Meanwhile, the lowest TPC value was discovered for the fish samples that did not undergo storage, and immersed in a solution of 5% for 30 minutes. Furthermore, the highest TVB value (Total Volatile bases) was detected in fish samples soaked with 3% solution of the mangosteen for 15 minutes (59.22mg N/100g) while the lowest value obtained on the fish sample marinated with 5% concentration for 15 minutes and did not experience storage (5.04mg N/100g).


2017 ◽  
Vol 5 (2) ◽  
pp. 64 ◽  
Author(s):  
Steven Tumonda ◽  
Hanny Welly Mewengkang ◽  
Semuel Marthen Timbowo

Skipjack tuna (Katsuwonus pelamis L.) has a high economic value, both as an export commodity and for local consumption. In Indonesia, especially in North Sulawesi the total catch of skipjack tuna is high. The purpose of this research was to determine the quality of the skipjack tuna sold in two traditional markets, namely (A) Pasar Pinasungkulan Karombasan and (B) Pasar Bersehati, Manado. The moisture content of skipjack tuna sold in the market (B) does not meet the SNI quality requirement (max 60% moisture content of smoked fish). The pH value of the skipjack tuna  in market A and B still meets the quality requirements during storage in room temperature. Based on the results of moisture content and pH value, it can be concluded that the skipjack tuna purchased from Market A was still good for consumption up to 2 days storage in room temperature whereas fish from market B was not safe for consumption. Ikan cakalang (Katsuwonus pelamis L) mempunyai nilai ekonomis tinggi, baik sebagai komoditi ekspor maupun konsumsi  lokal. Di Indonesia khususnya perairan Sulawesi utara produksi ikan cakalang termasuk tinggi. Tujuan dari penelitian ini adalah untuk mengetahui mutu dari ikan cakalang asap yang dijual di dua pasar tradisional, yaitu (A) Pasar Pinasungkulan Karombasan dan (B) Pasar Bersehati, Manado. Kadar air ikan cakalang asap yang dijual di pasar (B) tidak memenuhi syarat mutu SNI, yaitu 60% kadar air untuk ikan asap. Nilai pH ikan cakalang asap yang dijual di pasar A dan B selama penyimpanan suhu ruang masih memenuhi syarat mutu ikan ikan asap. Dari hasil penentuan kadar air dan nilai pH serta data yang diperoleh pada penelitian ini, dapat disimpulkan bahwa ikan cakalang asap yang dibeli dari Pasar A masih layak dikonsumsi sampai pada 2 hari penyimpanan dalam suhu ruang, dibandingkan dengan ikan yang dibeli dari pasar B.Kata Kunci: Kajian Mutu, Ikan Cakalang (Katsuwonus pelamis L), Ikan Asap.


2020 ◽  
Vol 9 (1) ◽  
pp. 1
Author(s):  
Sonia Epriana Simbolon ◽  
Hens Onibala ◽  
Engel Victor Pandey ◽  
Nurmeilita Taher ◽  
Feny Mentang ◽  
...  

This study aims to obtain the best surimi quality of skipjack that was washed with cold water of 4 ° C with different washing times (5 and 10 minutes). The parameters measured were yield, moisture content and pH (AOAC, 2005), total plate count (TPC) using the modified SNI 2332.3-2015 method, Salmonella detection with SSA Agar, and organoleptic tests according to SNI 2694: 2013. The results showed that the treatment of washing time 5 minutes is the best time in making fish paste and boiling temperature 90 ° C - 20 min is the best time in the formation of fish gel, because it has the highest folding test and bite test values of 6.6 and 8.2. Fish paste has a moisture content of 72.25 and a pH of 5.84. Microbiological test results showed that the TPC in the washing treatment of 5 min and 10 min were still in accordance with Indonesia National Standards for surimi and there was no presence of Salmonella sp. in both treatmentsTujuan penelitian ini untuk mendapatkan mutu surimi ikan cakalang terbaik yang dicuci dengan air dingin 4°C dengan waktu pencucian berbeda (5 dan 10 menit). Penelitian ini diharapkan dapat memberikan informasi bagi peneliti dan pengolah ikan tentang waktu pencucian terbaik untuk mendapatkan mutu sensori dan mikrobiologi surimi ikan cakalang sesuai SNI 2694:2013 tentang Surimi. Parameter yang diukur pada penelitian ini adalah rendemen, kadar air dan pH (AOAC, 2005), angka lempeng total (ALT) menggunakan metode SNI 2332.3-2015 yang dimodifikasi, deteksi Salmonella dengan SSA Agar, dan uji organoleptik sesuai SNI 2694:2013. Hasil penelitian menunjukan bahwa perlakuan lama pencucian 5 menit merupakan waktu terbaik dalam pembuatan pasta ikan dan suhu perebusan 90°C - 20 min adalah waktu terbaik dalam pembentukan gel ikan, karena memiliki nilai uji lipat dan uji gigit tertinggi yaitu 6.6 dan 8.2. Pasta ikan memiliki nilai kadar air 72.25 dan pH 5.84. Hasil uji mikrobiologi memperlihatkan bahwa total mikroorganisme pada perlakuan pencucian 5 min dan 10 min masih sesuai standar SNI untuk produk surimi dan tidak terdapat keberadaan Salmonella sp. pada kedua perlakuan 


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