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      Pengaruh Variasi Rasio Pelarut dalam Pembuatan Konsentrat Omega-3 Ikan Nila (Oreochromis niloticus) dan Mas (Cyprinus carpio) dengan Kristalisasi Suhu Rendah

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      Date
      2023-05-11
      Author
      Ramadhan, Rizki Tri Kurnia
      Ibrahim, Bustami
      Suseno, Sugeng Heri
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      Abstract
      Produk hasil samping ikan nila dan mas dapat dimanfaatkan menjadi minyak ikan dengan metode ekstraksi yang tepat. Pembuatan konsentrat omega-3 bertujuan menghilangkan komponen selain omega-3 seperti asam lemak jenuh dan kolesterol. Penelitian ini bertujuan untuk menentukan rasio pelarut:minyak untuk mendapatkan kandungan omega-3 ikan nila dan mas 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), 7:1(v/v). Nilai omega-3 pada ikan nila dan mas berturut-turut adalah 1,20% dan 1,53% dengan rasio omega-3/total asam lemak 1,97% dan 2,19%. Perlakuan terbaik dengan rasio pelarut:minyak 5:1(v/v) yang ditentukan oleh hasil uji bilangan iod (IV) tertinggi, dengan nilai omega-3 sebesar 2,96% untuk ikan nila dan 2,31% untuk ikan mas. Peningkatan nilai omega-3 pada minyak ikan nila sebesar 1,76 dan pada ikan mas sebesar 0,78 dengan rasio omega-3/total asam lemak masing-masing 4,59% dan 3,43%.
       
      Tilapia and carp by-products can turn into fish oil with the proper extraction method. The objective of omega-3 concentrate production is to remove components other than omega-3, such as saturated fatty acids and cholesterol. The aim of the study was to discover the best solvent:oil ratio with the highest omega-3 content in tilapia and carp using analysis of oxidation parameters, iodine number (IV), and fatty acid profiles. Omega-3 concentrate was made with solvent:oil ratios of 3:1(v/v), 4:1(v/v), 5:1(v/v), 6:1(v/v), and 7:1(v/v). Concecutive omega-3 values in tilapia and carp were 1.20% and 1.53% with omega-3/total fatty acid ratios of 1.97% and 2.19%. The best treatment is at solvent:oil 5:1(v/v) determined by iodine number (IV) test with increase of omega-3 value in tilapia by 1.76 with the final value 2.96% and carp by 0.78 with a final value 2.31%; both of each has omega-3/total fatty acid ratios of 4.59% and 3.43%.
       
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      http://repository.ipb.ac.id/handle/123456789/117514
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