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      Pengaruh Rasio Pelarut dalam Pembuatan Konsentrat Omega-3 Ikan Lele (Clarias sp.) dan Patin (Pangasius sp.) dengan Kristalisasi Suhu Rendah

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      Date
      2023-05-11
      Author
      Salsabila, Daniar Nur
      Suseno, Sugeng Heri
      Ramadhan, Wahyu
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      Abstract
      Ikan air tawar tidak dikenal sebagai sumber asam lemak omega-3 sehingga dilakukan usaha peningkatan konsentrasi omega-3 dengan pembuatan konsentrat omega-3 dengan metode kristalisasi suhu rendah. Pembuatan konsentrat omega-3 ditujukan untuk memisahkan komponen selain asam lemak omega-3. Penelitian ini bertujuan untuk menentukan rasio pelarut dan minyak untuk mendapatkan kandungan omega-3 ikan lele dan patin dengan kualitas terbaik melalui analisis parameter oksidasi, nilai bilangan iod (IV), dan profil asam lemak. Pembuatan konsentrat omega-3 dilakukan dengan metode kristalisasi suhu rendah menggunakan rasio pelarut:minyak 3:1(v/v), 4:1(v/v), 5:1(v/v), 6:1(v/v), dan 7:1(v/v). Nilai omega-3 pada ikan lele dan patin berturut-turut adalah 1,69% dan 1,02% dengan rasio omega-3/total asam lemak 2,67% dan 1,39%. Perlakuan terbaik pada rasio pelarut:minyak 5:1(v/v) yang ditentukan dengan uji bilangan iod (IV) menghasilkan peningkatan omega-3 ikan lele dan patin dengan hasil akhir 3,65% dan 2,30%. Konsentrat lele dan patin mengalami peningkatan masing-masing sebesar 1,69 kali dan 1,28 kali dengan rasio omega-3/total asam lemak 5,78% dan 3,74%.
       
      Freshwater fish are not known as an omega-3 fatty acids resource so need effort to improve the omega-3 content with producing concentrates using a low-temperature crystallization method. The purpose of making omega-3 concentrates is to eliminate components besides omega-3 fatty acids. The study aimed to discover the best solvent-oil ratio for obtaining the best quality omega-3 catfish and pangas-catfish by analysis of oxidation parameters, iodine number (IV), and fatty acid profiles. The omega-3 concentrate was produced using a low temperature crystallization method with solvent-to-oil ratios of 3:1(v/v), 4:1(v/v), 5:1(v/v), 6:1(v/v), and 7:1(v/v). The omega-3 values of catfish and pangas-catfish were 1.69% and 1.02% with omega-3/total fatty acid ratios of 2.67% and 1.39%. The best treatment is at solvent:oil 5:1(v/v) which was determined by iod value (IV) test to generate an increase of omega-3 value to each catfish and pangas-catfish with final results 3.65% and 2.30%. Catfish and pangas-catfish concentrates increased by 1.69 and 1.28 with omega-3/total fatty acid ratios by 5.78% and 3.74%.
       
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      http://repository.ipb.ac.id/handle/123456789/117515
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