Ultraviolet irradiation improves gel strength of fish gelatin |
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Authors: | Rajeev Bhat AA Karim |
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Affiliation: | Food Biopolymer Research Group, Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Penang, Minden, Malaysia |
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Abstract: | Preliminary studies were undertaken to investigate the impact of ultraviolet (UV) irradiation on the gel strength, viscosity, and thermal properties of a commercially procured fish gelatin sample. Fish gelatin samples (dry granules) were exposed to UV irradiation for 30 and 60 min. Irradiated samples exhibited significant improvement in the gel strength, marked reduction in viscosity, with significant changes in the melting enthalpy. Results indicated the prospects of employing UV radiation as an alternative method over conventional means for improving some of the quality attributes of fish gelatin. |
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Keywords: | Fish gelatin Texture Rheology Ultraviolet radiation Crosslink |
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