The junctions between the muscle fibers and the connective tissue of blue grenadier (Macruronus novaezelandiae Hector) were studied using scanning electron microscopy. In fish before, during, and just after rigor mortis, the muscle fibers are attached to the myocommatal connective tissue sheets by fine collagenous fib&. After chilled storage these fibrils deteriorate and the muscle fibers gradually detach from the myocommata. It appears that the fibrils are destroyed by endogenous collagenases and/or other proteinases.
The storage life of four species of fish from the North West Shelf was examined by means of nucleotide catabolism and sensory evaluation. It was found that the shelf life was related to the rate of inosine monophosphate (IMP) breakdown rather than to bacterial spoilage, because the endemic mesophilic bacteria were unable to adapt to ice storage conditions. The results indicated that the IMP level was fundamentally related to both flavor intensity, and acceptability, and was not merely circumstantially related to time of storage.
With the increasing commodification of cultural heritage induced by tourism development, the perception of a 'real' travel experience often depends on what is defined as authentic, original and local. Visitors are becoming increasingly concerned about the authenticity of eco-cultural tourism practices when they visit culturally and environmentally remote regions. The purpose of this study is to examine the role performance plays in visitors' perception of authenticity of eco-cultural tourism experiences. Various theoretical foundations and aspects of visitors' perceptions of authenticity in cultural heritage tourism are considered. A grounded theory approach based on in-depth semi-structured interviews with several categories of visitors including 25 clients from two eco-tours in South and Central Kazakhstan and 29 Free Independent Travellers (FITs) was adopted to identify visitors' perception of authenticity of various aspects of their tourism experiences and the attributes of the visitors' performative aspects of their travels. Results reveal that the performative aspects contributing to the perceived authenticity of the visitors' eco-cultural experiences are spontaneous, existential and reciprocal relationships with their hosts in intimate tourism encounters. The findings contribute to literature regarding authenticity and cultural heritage tourism by exploring new directions in which to apply the concept of authenticity in eco-cultural tourism experiences and by theorising the link between performance-based touristic space and the perception of authenticity. This space becomes a basis for interaction and social exchange within the host-guest relationship.
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