FT Vol.50(1)

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Browsing FT Vol.50(1) by Author "Ganguly, Subha"

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    Cryoprotective Effect of Shrimp Waste Protein Hydrolysate on Croaker Surimi Protein and Gel Characteristics during Frozen Storage
    (Society of Fisheries Technologists (India)Cochin, 2013) Dey, Satya S.; Dora, Krushna C.; Raychaudhuri, Utpal; Ganguly, Subha
    Effect of shrimp waste protein hydrolysate (SWPH, 7.5% dried matter, T2) on quality of Croaker fish surimi protein was examined in terms of nitrogeneous parameters, myosin and actin degradation, Ca2+-ATPase activity and unfrozen water content in comparison to surimi with sucrosesorbitol blend (T1) and control (C, no additive) during frozen storage for 120 days at -25oC. Significant variation (p<0.05) of these parameters between storage days and difference of T1 and T2 sample from control suggested muscle protein as succeptible to freeze denaturation and application of SWPH as an alternative cryoprotectant to sucrosesorbitol (SuSo). Textural properties including gel strength, hardness, cohesiveness, springiness, chewiness and gumminess of kamaboko gel prepared from surimi samples decreased with storage days though SWPH was efficient enough to reduce effect of freeze denaturation on gel characteristics during initial three months of storage.