3 resultados para Microwave heating

em Aquatic Commons


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Temperature profile of fish chikuwa was taken during microwave cooking at 100 power level for different durations and subjected to organoleptic evaluation. Moisture content and organoleptic quality of fish chikuwa paste mixed with different levels of moisture and cooked at 100 power levels for 6 minutes were analysed. Microwave cooked fish chikuwa with standardized recipe was heated in microwave oven with hot air at different temperature for different durations. Fish chikuwa microwave cooked at 100 power level for 6 minutes had higher scores for all attributes as compared to those cooked for different durations and also fulfill the condition of pasteurisation of fish chikuwa. Fish chikuwa prepared with 35% moisture had better scores for all attributes unlike those of other levels. Heating of microwave pasteurised fish chikuwa at different temperatures for different durations could not achieve the desired brown colour.

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Instrumental investigations of texture have been performed using texture profile analysis. The following textural parameters have been assessed: hardness, gumminess, chewiness, springiness, cohesiveness and adhesiveness. The fillets of both species have been prepared from deep frozen headed and gutted raw material without fins after frozen storage of 0, 23 and 34 weeks, respectively. Deep freezing of fishes has been performed on board immediately after hauling or after 6 day’s storage in ice. Before texture measurement the raw material has been thawed and the measurement was carriedout on both thawed and microwave-heated fillets. In general, it can be concluded that both fish species are comparable in their texture parameters. The hardness of heated dab has been slightly higher comparing with that one of plaice. All other texture parameters showed a fairly good conformity between both species. While the hardness of dab increased during heating, it was decreasing in plaice. This was the only one significant difference between both fishes during heating. Adhesiveness as well as cohesiveness increased remarkably during heating. Changes effected by ice storage were only slight. Frozen storage, in contrast, caused a significant decrease of adhesiveness measured after heating the fillets of both species.

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Seasonal snow cover in the mountains of the Upper Colorado River Basin is a major source of water for a large portion of the southwestern United States. The extent and amount of this snowpack not only reflects changes in weather patterns and climate but also influences the general circulation through modification of the energy exchange between land and atmosphere. ... Satellite observations and remote sensing techniques can enhance the standard snowpack observations to provide the temporal and spatial measurements required for understanding the role of snow in the surface energy balance and improving the management of water resources.