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All Journal JOURNAL OF COASTAL DEVELOPMENT Jurnal Pengolahan dan Bioteknologi Hasil Perikanan Jurnal Aplikasi Teknologi Pangan Pena : Jurnal Ilmu Pengetahuan dan Teknologi
Titi Surti
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Immunology & microbiology Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Other

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ANALYSIS OF THIOBARBITURIC ACID AND BENZO(α) PYRENE VALUE OF SMOKED NILE TILAPIA (Oreochromis niloticus) USING DIFFERENTLIQUID SMOKES Fronthea Swastawati; Titi Surti; Dwi Apriliani
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 3 (2010): Volume 13, Number 3, Year 2010
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

The purpose of this research was to find the different  influence of corn cob (LSA) and coconut shells (LSB) liquid smokes to the changing of thiobarbituric acid (TBA) value, benzo(α)pyrene (BP), and organoleptic value of the smoked nile tilapia during storage. The result indicated that the smoked nile tilapia which used liquid smoke corn cob had higher organoleptic value than using coconut shells. The result of organoleptic 8.60 (LSAH0), 8.24 (LSBH0), 8.02 (LSAH5), 7.88 (LSBH5), 4.91 (LSAH10), 4.56 (LSBH10) and were rejected on 10 days storage. The smoked nile  Tilapia which was processed using liquid smoke of corn cob (LSA) and vacuum packed had higher organoleptic value than those which were processed by liquid smoke of coconut shells (LSB) during  the storage. The different of liquid smoked gave very significant effect to TBA value (P<0.01). The duration of storage gave very significant effect to TBA value (P<0.01). The interaction between liquid smoke and duration of storage gave very significant effect (P<0.01) at 10th, 5th days, whereas at 0 day did not give very significant effect (P>0.01). TBA value of smoked nile tilapia using liquid smoke of corn cob (LSA) higher than using liquid smoke of coconut shells (LSB) for each storage (LSAH0 : 0.76; LSBH0 : 0.74; LSAH5 : 1.02; LSBH5 : 0.95; LSAH10 : 1.42; LSBH10 : 1.32). The result on polycyclic aromatic hydrocarbons (PAHs) of smoked nile tilapia using corn cob and coconut shells liquid smoke showed that there was no benzo(α)pyrene detected.    
DETERIORATION QUALITY OBSERVATIONS OF MILK FISH (Chanos chanos FORSK) AND SHORT-BODIED MACKEREL (Rastrelliger neglectus) AT VARIOUS STORAGE TEMPERATURES USING FRESHNESS TESTING PAPER (FTP III) Tri Winarni Agustini; Titi Surti; S Sumardianto; Dita Setya Wardhani; Ester Kartikasari
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 1 (2009): Volume 13, Number 1, Year 2009
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Freshness of fish is crucial in determining the nutritional value and sale value of fishery products.Assessment of fish freshness can be done with various methods based on several principles of chemistry,physics, microbiology, and organoleptic. K value is one of freshness test based on ATP degradation.Analysis of K values can be done with Freshness Testing Paper (FTP III). This method is relativelypractical, easy, fast and the results can be accountable. The material that used in this study are fish milk fish(Chanos chanos Forsk) and short-bodied mackerel (Rastrelliger neglectus) with total 90 fish with anaverage weight of 99 grams / fish (milk fish) and 85 g / fish (short-bodied mackerel). The fish raw materialpurchased from Rejomulyo fish market (Semarang) and taken to the laboratory in a Styrofoam box that wasgiven ice on the inside. This research used an experimental method called descriptive exploration. Storageof samples was handled at different temperatures namely 30oC ± 2oC, 15oC ± 2oC and 1oC ± 0oC. Theobserved parameters include organoleptic test and analysis of K Value (FTP III). The results showed that Kvalues for all samples increased during storage at different temperatures. The highest K values of milk fishand short-bodied mackerel fish during storage at a temperature of 0°C was on 96-hours storage time. Thehighest K values of milk fish and short-bodied mackerel fish during storage at a temperature of 15 ° C wason 72-hours storage time. Whereas the highest K values in milk fish and short-bodied mackerel fish duringstorage at 30°C temperatures, was on the 24-hours storage time. The fastest increase in K value was observed at a temperature of 30°C compared to storage at a temperature of 15°C and 0°C for all the fish samples. This means that the deterioration quality of fish will be faster at high temperatures. K values of mackerel increased more rapidly than milk fish.
LAJU OKSIDASI LEMAK DAN MUTU ORGANOLEPTIK IKAN TERI NASI KERING (Stolephorus spp) SELAMA PENYIMPANAN DINGIN A. Suhaeli Fahmi; Widodo Farid Ma&#039;ruf; Titi Surti
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 27, No 1 (2014): Pena September 2014
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v27i1.124

Abstract

Polyunsaturated  fatty  acids  are  valuable  nutritional  content  to  be  kept  in  fish. Polyunsaturated  fatty  acids  are  easily  oxidized,  so  it  can  be  easily  rancid.  Moreover  lipid oxidation can cause damage to other food components because lipid oxidation produces reactive, toxic  and  carcinogenic  compounds.  This  paper  attempts  to  analyze  the  effect  of  dryingto  the oxidation rate of dried anchovy. This research used Peroxide Value (PV) to measure the oxidation rate. The results showed thatduring chilled storage, PV had irregular pattern, because peroxide is a reactive and derivable compound. Sensory test showed that at the end of storage (28 days), the dried anchovy was still accepted by panels.  Keywords :dried anchovy, lipid oxidation, chilled storage,peroxide value
KARAKTERISTIK KUALITAS IKAN ASAP YANG DIPROSES MENGGUNAKAN METODE DAN JENIS IKAN BERBEDA Fronthea Swastawati; Titi Surti; Tri Winarni Agustini; Putut Har Riyadi
Jurnal Aplikasi Teknologi Pangan Vol 2, No 3 (2013): Agustus 2013
Publisher : Indonesian Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (196.062 KB) | DOI: 10.17728/jatp.142

Abstract

Tujuan penelitian ini adalah mengembangkan IPTEK bagi masyarakat dengan memberikan informasi mengenai kualitas ikan asap yang diproses menggunakan smoking cabinet dan tungku tradisional. Penggunaan smoking cabinet dan tungku tradisional diharapkan dapat menjadi alternatif metode pengasapan yang ramah lingkungan, tidak menimbulkan bahaya karsinogen, serta menghasilkan kualitas ikan asap yang baik. Dalam penelitian ini, menggunakan jenis ikan lele  (Clarias batrachus) (L) dan patin (Pangasius pangasius) (P) karena banyak dijumpai di Indonesia dan sering diolah menjadi ikan asap. Sampel ikan diasapi menggunakan smoking cabinet (LSC dan PSC) dan tungku tradisional (LTr dan PTr), kemudian dilakukan analisa mengenai kualitas ikan asap meliputi organoleptik, analisa proksimat (kadar protein, lemak, air, dan abu), pH, kandungan Polycyclic Aromatic Hydrocarbons (PAHs) terutama Benzo (α) Pyrene (BαP), senyawa karbonil meliputi phenol, asam organik, dan formaldehid. Rancangan penelitian ini menggunakan pola faktorial 2x2x2, meliputi perbedaan metode pengasapan dan jenis ikan dengan dua kali ulangan. Hasil penelitian menunjukkan bahwa perbedaan metode pengasapan dan jenis ikan memberikan perbedaan sangat nyata (P<0,01) terhadap nilai proksimat (kadar protein, lemak, air, abu).   Kandungan phenol, formaldehid, dan asam organik yang lebih tinggi adalah menggunakan tungku. Sehingga dapat disimpulkan bahwa kedua metode pengasapan dan jenis ikan tersebut dapat diterapkan untuk pengolahan pengasapan ikan meskipun terdapat kecenderungan karakteristik yang spesifik pada produk yang dihasilkan dalam hal kenampakan, bau, tekstur dan rasa.
EFEKTIVITAS LENGKUAS (Alpinia galanga) SEBAGAI PEREDUKSI KADAR FORMALIN PADA UDANG PUTIH (Penaeus merguiensis) SELAMA PENYIMPANAN DINGIN Miftahul Jannah; Widodo Farid Ma&#039;ruf; Titi Surti
Jurnal Pengolahan dan Bioteknologi Hasil Perikanan Volume 3, Nomor 1, Tahun 2014
Publisher : Jurusan Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

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Abstract

Udang Putih merupakan salah satu hasil perikanan yang mudah busuk, maka penambahan formalin sering digunakan untuk memperpanjang masa simpannya. Salah satu cara untuk menanggulangi  formalin adalah dengan menggunakan lengkuas yang mengandung saponin sehingga dapat mereduksi kadar formalin. Penelitian ini bertujuan untuk mengetahui konsentrasi larutan lengkuas dan lama perendaman yang terbaik dalam mereduksi formalin, serta pengaruh penyimpanan suhu dingin terhadap kadar formalin udang Putih. Penelitian ini bersifat experimental laboratories. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) pola faktorial 2x4. Parameter yang diukur adalah kadar formalin, TPC, pH, kadar air, dan nilai organoleptik. Hasil penelitian menunjukkan penyimpanan dingin (0, 3, 6, dan 9 hari) memberikan pengaruh yang nyata (P<0,05) pada kedua perlakuan terhadap kadar formalin (Fhitung (101.762) > Ftabel (3.24)), TPC (Fhitung (4167.653) > Ftabel (3.24)), pH (Fhitung (261.652) > Ftabel (3.24)), kadar air (Fhitung (129.177) > Ftabel (3.24)), dan nilai organoleptik yaitu kenampakan (X2Hitung  (136.940) > X2Tabel (14.067)), bau (X2Hitung  (168.006) > X2Tabel (14.067)), serta tekstur (X2Hitung  (136.036) > X2Tabel (14.067)).  Berdasarkan hasil penelitian dapat disimpulkan bahwa penggunaan larutan lengkuas efektif dan mempunyai pengaruh positif dalam mereduksi kadar formalin mencapai 63% pada Udang Putih.
Co-Authors A. Suhaeli Fahmi Dita Setya Wardhani Dwi Apriliani Ester Kartikasari Fronthea Swastawati Fronthea Swastawati Putut Har Riyadi S Sumardianto Salsabila, Unik Hanifah Tri Winarni Agustini Widodo Farid Ma&#039;ruf