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Extraction and evaluation of gelatin from yellow fin tuna (Thunnus albacares) skin and prospect as an alternative to mammalian gelatin | ||
| Iranian Journal of Fisheries Sciences | ||
| مقالات آماده انتشار، اصلاح شده برای چاپ ، انتشار آنلاین از تاریخ 11 دی 1397 اصل مقاله (436.07 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2019.119072. | ||
| نویسندگان | ||
| shahla jamili* 1؛ homa sadeghi2؛ Mehdi rezayat3؛ Farhad Kaymaram4؛ hossein Attar | ||
| 1Director of scientific information internal manager Iranian Scientific Fisheries Journal Iranian Fisheries Science Research Institute. | ||
| 2science and research branch,islamic azad universit | ||
| 3, Dept .of pharmacology, School of Medicine, member of medical Nanotechnology Department, School of advanced scienses and technology in medicine, | ||
| 4ifro | ||
| چکیده | ||
| 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 posses similar characteristics to mammal’s gelatin .Yellow fin tuna (Thunnus albacares) gelatin skin, lots of waste in form of skin and bone of the fish are produced every day. Analysis factors were extracted alkaline gelatin from skin, physiochemical and rheological test (amino acid 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 band (α, β, γ) same as mammalian protein band. FTIR (Fourier transform infrared) had the same spectra for both of them. Factors were pH (6.1), Moisture (8.5%) Setting temperature and time respectively 4(c) and 60(s) and Melting temperature and time respectively were 50(c) and 45(s). The color was transparent .In light of these results yellow fin tuna prospect as an alternative to mammalian gelatin. . | ||
| کلیدواژه‌ها | ||
| Rheological؛ Yellow fin tuna؛ Fourier transform infrared؛ Proline and Hydroxyproline | ||
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