Recovery of Protein from Lizardfish (Saurida tumbil) Surimi-leached Water using Spray Drying Technique

摘要

Lizardfish is one of the most important fish species used for the production of surimi. The annual landing of lizardfish is 55 800 t in India (CMFRI, 2012). In surimi processing, washing is an important step where water-soluble proteins are removed toimprove gel forming ability of surimi. The leached water contains 0.5 to 2.3% protein (Lin et al., 1995; Morrissey et al., 2000). Considerable amount of edible fish proteins present in leached water can be recovered by using any suitable and effective method. Protein lost in waste water by leaching accounts for 15 to 30% of the total protein of minced meat (Okazaki, 1994), which is discarded as effluent. If leached water from surimi processing plants is released without recovering protein, it causes organic pollution (Jaouen & Quemeneur 1992). Recovering protein from waste water may provide an additional source of fish protein as ingredient for the food industry (Stine et al., 2011). The recovered protein can be effectively utilized by mixing with surimi in an appropriate proportion (Zhang et al. 1999). Effective recovery of soluble protein enables efficient utilization of the marine resources and cost reduction in surimi production (Okazaki, 1994).