Extraction and evaluation of gelatin from yellow fin tuna (Thunnus albacares) skin and prospect as an alternative to mammalian gelatin
Publish place: Iranian Journal of Fisheries Sciences، Vol: 18، Issue: 4
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-18-4_024
تاریخ نمایه سازی: 27 بهمن 1400
Abstract:
One of the mainly popular consumed colloid protein materials in pharmaceutics, medical, food and military industries is Gelatin. Especially from warm-water fish gelatin report poss similar characteristics to mammalian’s gelatin .Yellow fin tuna (Thunnus albacares) gelatin skin, lots of waste in form of skin and bones of the fish are produced every day. Analysis factors were extracted alkaline gelatin from skin, physiochemical and rheological test (amino acids composition, SDS- page electrophoreses, FTIR (Fourier transform infrared), moisture content, pH, setting point and setting time, melting point and melting time, color and gelatin yield). In contrast cool water fish gelatin, yellowfin tuna had higher gelatin content (Proline and Hydroxyproline) than mammalian gelatin content. SDS-electrophoresis for yellow fin gelatin showed protein bands (α, β, γ) same as mammalian’s protein bands. FTIR (Fourier transform infrared) had the same spectra for both of them. Factors were pH (۶.۱), Moisture (۸.۵%) Setting temperature and time respectively ۴(c) and ۶۰ (s) and Melting temperature and time respectively were ۵۰ (c) and ۴۵ (s). The color was transparent. In light of these results yellow fin tuna prospect as an alternative to mammalian’s gelatin.
Authors
Sh. Jamili
Director of scientific information internal manager Iranian Scientific Fisheries Journal Iranian Fisheries Science Research Institute.
H Sadeghi
Department of Marine Biology, Science and Research Branch, Islamic Azad University
M Rezayat
Dept .of pharmacology, School of Medicine, member of medical Nanotechnology Department, School of advanced scienses and technology in medicine,
H Attar
Department of Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran.
F. Kaymaram
Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension.
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