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            Proposed model for gel improvement of surimi
                   produced from frozen fish




                                                      Extraction of gelatin from fish skin   Production and purification of tuna oil from tuna heads
                                                                 CJ
             Denatured PfOleins   Improved gel
                 •  MTGase-induced   Q  Non-muscle protein
                  cross-link                           Fish skin    Gelatin
                                                                                 Precooked tuna head
                                                     Preparation of edible film from fish gelatin   A: Cll.ldeoil
                                                                                                 B: Degummed oil
                                                                                                 C: Neunllzed on 1)
                                                                                                       (
                                                                                                 D: Neutrallzedoil(2l
                                                                                                 E: 81eac::MC!Oil
                                                                                                 """"
                                                                                                 G; Steno
                                                                                                 H: Deodoriffdoil
                                                                                Tuna oil during purification steps
                                                    Fish skin gelatin based film
                                                                Uses of Modified Atmosphere Packaging to extend
                                                                the shelf-life of seabass slices






                                                               Gas mixer and MAP machine







                                                                Seabass ,La/es catcalifen   MAP seabass slices



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