A fillet is a piece of meat consisting of the dorsal and abdominal muscles of fish. Fillets may be cut suitably to remove undesired portions. For example, the nape may be completely removed to produce a “J” cut fillet. In some flat fish fillets, the black membrane covering the nape area is removed by surface trimming. Large, flat fish fillets may be cut into half, longitudinally, to produce cross-or quarter-cut fillets. For fillets to be used in boneless fish blocks, it is necessary to remove the small pin bones in the thick nape end. A popular equipment for this purpose is Baader 184, a white fish-filleting machine. Removal of pin bones is achieved by “V” cutting, which involves cutting out a wedge of fillets. Meat from the “V” cut fish material can be recovered by mechanical deboning. Fish fillets as skin-on or skinless are suitable for retail and catering. Presence of skin in skinless fillets, bones, and occasional presence of nematode parasites in the meat are quality problems. The parasites could be checked visually by inspecting skin-on fillets under a strong light. Skinless fillets are inspected over candling tables consisting of a back-lit translucent plate, in order to detect and remove visible nem-atodes, particularly from the nape region. Fillets of fish displaying soft texture (e.g.,due to seasonal circumstances such as spawning and feeding) gaping and fillets for second-grade fish blocks. Automation systems for fillet inspection are available.
đang được dịch, vui lòng đợi..
