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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia JOURNAL OF COASTAL DEVELOPMENT DEDIKASI JURNAL MAHASISWA Jurnal Ilmiah Pariwisata Jurnal Aplikasi Teknologi Pangan Jurnal Istiqro' Jurnal Kreativitas PKM Jurnal Ilmiah Padma Sri Kreshna PESAGI (Jurnal Pendidikan dan Penelitian Sejarah) Jurnal Manajemen dan Pemasaran Jasa
Eko Susanto
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Journal : JOURNAL OF COASTAL DEVELOPMENT

 1 
CHANGES IN OXIDATION AND REDUCTION POTENTIAL (Eh) AND pH OF TROPICAL FISH DURING STORAGE Eko Susanto; Tri Winarni Agustini; Eko Prasetyo Ritanto; Eko Nurcahya Dewi; Fronthea Swastawati
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 3 (2011): Volume 14, Number 3, Year 2011
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Four tropical fish species, Thunnus albacares (Yellowfin tuna), Ephinephelus striatus (Nassau Grouper), Cyprinus carpio (Carp), and Osphronemus gourami (Gouramy), were assayed for oxidation reduction potental (Eh) and pH in different temperature,i.e.  ambient and chilled temperature.  Every species has different pattern of Eh and pH values. Eh values of tropical freshwater fish were higher than tropical marine fish, however pH values  four tropical fish have same trend. The rates of the Eh and pH changing in four tropical fish were faster at ambient storage and they were slower at chilled storage. The present study also demonstrated the relationship between Eh and pH.
PHYSICOCHEMICAL PROPERTIES OF SOME DRIED FISH PRODUCTS IN INDONESIA Tri Winarni Agustini; Y. S. Darmanto; Eko Susanto
JOURNAL OF COASTAL DEVELOPMENT Vol 12, No 2 (2009): Volume 12, Number 2, Year 2009
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Some traditional fish products in Indonesia have potential opportunity for global market, such as fish crackers, dried fish, ikan kayu (‘katsuobushi’) and dried pempek (traditional fish product from Palembang). Study on such products based on its glass transition temperature is still rare. On the other hand, glass transition phases of dried product play an important role in determining food stability because it can give an overview of physicochemical properties of the products. Using its glass transition temperature, dried fish product can be estimated for its shelf life. The purposes of this research are to observe the relation between some physicochemical properties of glass transition temperature of some dried fish products and its water content/water activity to the self life of the products. Dried fish products used were: fish cracker, dried-salted fish, ikan kayu (katsuobushi), fufu (very dried-smoked fish) and dried pempek. The samples were taken from different area in Indonesia (Cilacap, Palembang, and Sulawesi). The sample were taken using purposive sampling method. The method used for analysis of glass transition temperature was DSC method (Differential Scanning Calorimetry), and for water content and water activity were analysed using Aw meter and Moisture analyzer. All samples were analyzed in duplo. Research method used was experimental laboratory with research design of Completely Randomised Design. The experiment was conducted from August 2008 to December 2008 at Fish Product Processing Laboratory, Fisheries Department, Faculty of Fisheries and Marine Science – Diponegoro University, Food Engineering Laboratory – SQU, Oman. The results showed that different sample with different characteristics on physicochemical properties give different in water activity and also water content. The lowest water activity was performed by dried pempek. Glass transition temperature (Tg) of the products was very depend on the water content. The Tg of samples was ranged between 38.4oC – 76.4oC. The water content of the products ranged between 8.28%-37.28%. The Aw of the product was ranged between 0.57 – 0.87.
Co-Authors A S Fahmi Ahmad Munawir Ayunda Dita Wardani bayu saputra Eko Nurcahya Dewi Eko Prasetyo Ritanto Eviyanti Nurmalasari Faishol Jundi Abaidah Fronthea Swastawati Hardeza Anggara Hari Gunawan Iman Ghozali Khairul Bahri Lukita Purnamayati Mareta Fitria Wulandari Marfudin Marfudin Mella Marianti Putri Muhammad Anwar Rifa'i Muhammad Basri Muhammad Fadli Pardimin Rahadi Rifa Qidya Ardi Rikantini Widiyanti Rizki Hidayat Rizki Hidayat Syifaa Novianti Tasurun Amma Tri Winarni Agustini Wahyu Rafdinal Wahyu Setya Ratri Wakidi Wakidi Wike Kusumastuti Y. S. Darmanto