Rheological, Physico-chemical, and Surface-Active Properties of Gelatin Extracted from Bigeye Tuna (Thunnus obesus) Skin Waste

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dc.contributor.authorDara, Pavan Kumar
dc.contributor.authorRaghavankutty, Mahadevan
dc.contributor.authorSebastian, Nomy
dc.contributor.authorChatterjee, Niladri Sekhar
dc.contributor.authorMathew, Suseela
dc.contributor.authorRavishankar, Chandragiri Nagarajarao
dc.contributor.authorAnandan, Rangasamy
dc.date.accessioned2021-09-22T10:17:58Z
dc.date.available2021-09-22T10:17:58Z
dc.date.issued2020
dc.description.abstractIn the present investigation, bigeye tuna (Thunnus obesus) skin waste was utilized for the extraction of gelatin. Physico-chemical, rheological, and surface-active properties of the obtained gelatin were assessed. Proximate compositional analysis of tuna skin gelatin recorded high protein content of 88.6% and low levels of fat and ash contents. The isoelectric point (IEP) of tuna skin gelatin was around 6.24. Amino acid profiling recorded a glycine [31.7%] higher proportion, followed by imino acids (hydroxyproline + proline) [18.4%], and alanine [12.2%]. The electrophoretic pattern of purified gelatin exhibited three major bands (β, α1, and α2) with wider molecular weight distribution in the range of 200–120 kDa. The Fourier Transform Infrared (FT-IR) spectra of gelatin also confirmed the bands corresponding to α helix, β sheet, and random coil structures. The rheological studies of tuna skin gelatin revealed Newtonian and shear thickening properties. The method of extraction and assessment of its characteristic properties could be useful in the field of formulation of functional foods, nutraceutical, and biomedical applications.en_US
dc.identifier.urihttp://drs.cift.res.in/handle/123456789/4963
dc.language.isoen_USen_US
dc.publisherTaylor & Francisen_US
dc.subjectTuna skin gelatinen_US
dc.subjectfunctional property Introductionen_US
dc.titleRheological, Physico-chemical, and Surface-Active Properties of Gelatin Extracted from Bigeye Tuna (Thunnus obesus) Skin Wasteen_US
dc.typeArticleen_US
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