PENGARUH DEFATTING DAN SUHU EKSTRAKSI TERHADAP KUALITAS GELATIN TULANG IKAN GABUS (Channa striata)

WULANDARI, WULANDARI and Supriadi, Agus and Purwanto, Budi (2013) PENGARUH DEFATTING DAN SUHU EKSTRAKSI TERHADAP KUALITAS GELATIN TULANG IKAN GABUS (Channa striata). Undergraduate thesis, Sriwijaya University.

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh defatting dan suhu ekstraksi terhadap kualitas gelatin tulang ikan gabus. Penelitian ini dilaksanakan pada 27 Juli sampai dengan 7 Oktober 2012 di Laboratorium Teknologi Hasil Perikanan, Laboratorium Budidaya Perairan, Laboratorium Nutrisi Makanan Ternak, Laboratorium Teknologi Hasil Pertanian Universitas Sriwijaya Indralaya dan Laboratorium Kimia Pangan Pusat Antar Universitas Institut Pertanian Bogor. Rancangan yang digunakan berupa RAK Faktorial dengan dua factor perlakuan yang diulang sebanyak dua kali. Faktor perlakuan terdiri dari pretreatment (demineralisasi, deproteinisasi dan demineralisasi, defatting, deproteinisasi) dan suhu ekstraksi (60, 70 dan 80 °C). Parameter yang diamati meliputi rendemen, Analisa fisik (kekuatan gel, viskositas, titik leleh dan berat molekul) dan analisa kimia (kadar air, kadar lemak, kadar protein dan kadar abu). Hasil penelitian menunjukkan bahwa perlakuan defatting dan suhu ekstraksi berpengaruh terhadap rendemen, viskositas, titik leleh, kadar air dan kadar lemak. Gelatin dengan kombinasi perlakuan defatting dan suhu ekstraksi 70 °C merupakan perlakuan terbaik memiliki nilai kekuatan gel 202,9 bloom, viskositas 3,87 cP, titik leleh 22,5 °C, berat molekul 13,11 kDa - 156,7 kDa, kadar air 10,95%, kadar lemak 0,7%, kadar protein 90,45% dan rendemen 3,53%.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Gelatin Tulang Ikan Gabus
Subjects:	S Agriculture > SH Aquaculture. Fisheries. Angling > SH334.9-336.5 Fishery processing
Divisions:	05-Faculty of Agriculture > 54244-Fisheries Product Technology (S1)
Depositing User:	Mr Halim Sobri
Date Deposited:	03 Nov 2022 03:53
Last Modified:	03 Nov 2022 03:53
URI:	http://repository.unsri.ac.id/id/eprint/81238

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