By A.G. Gaonkar
Sustained advancements in a variety of branches of technological know-how and know-how have ended in enormous advancements in meals processing tools. those new processing applied sciences have in flip contributed to enhancement of the standard and acceptability of meals. the purpose of this e-book is to collect, for convenient reference, new advancements bearing on chosen meals processing technologies.
Food processing equipment coated contain: NMR imaging, online NMR, online sensors, ultrasonics, synchrotron radiation to check quick occasions, membrane processing, bioseparation, excessive strain processing, aseptic processing, irradiation, freezing, extrusion and extraction applied sciences. The publication, correctly referenced and illustrated with a number of figures and tables, is a worthwhile reference for scientists, engineers, and technologists in industries and executive laboratories keen on foodstuff processing, meals study and/or improvement, and likewise for school, complicated undergraduate, graduate and postgraduate scholars from the nutrition technology, nutrition Engineering, and Agricultural Engineering departments.
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Extra resources for Food Processing: Recent Developments
This machine has been successfully used to measure sub surface soil moisture at a depth of a few cm. Other large spectrometers developed at Southwest Research Institute include a baggage handling system designed for detecting narcotics and plastic explosives in suitcases. (De Los Santos, 1994). Bore hole NMR logging tools (Kleinberg et al, 1992) are another excellent example of NMR spectrometers developed to work in extremely hostile 35 environments. Complete excitation coil and magnet assemblies are dropped several kilometres down bore holes in the search for oil by the petroleiun industry.
The procedure is particularly suitable for dry products. It is possible to build standard reference samples into the piston which can be measured as the piston rises / falls so that temperature drifts and other extraneous problems are greatly alleviated. The one sided system they describe suffers from the disadvantage that only a small volume of the product is sampled and that it is always taken from the same area of the production line. The authors estimate that the cost of a sensor is of order $30-50,000 (1991) and that the payback period in a large gluten drying plant could be of order 1 year.
In essence, profiling is no more than a sophisticated variant of free induction decay analysis discussed below, albeit that the signal is acquired in the presence of an applied magnetic field gradient. By far the most appropriate technique for on line analysis is a measurement based on the characterisation of free induction decay signals and on relaxation time analysis, and in particular on spin-spin relaxation time analysis. These measurements are sometimes called low resolution NMR. 15 T using magnets with relatively poor spatial homogeneity.
Food Processing: Recent Developments by A.G. Gaonkar
Categories: Food Science