By A.G. Gaonkar
Sustained advancements in a number of branches of technological know-how and expertise have ended in significant advancements in foodstuff processing tools. those new processing applied sciences have in flip contributed to enhancement of the standard and acceptability of meals. the purpose of this publication is to collect, for convenient reference, new advancements concerning chosen nutrients processing technologies.
Food processing equipment coated comprise: 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, effectively referenced and illustrated with various figures and tables, is a useful reference for scientists, engineers, and technologists in industries and govt laboratories interested in nutrition processing, nutrition examine and/or improvement, and likewise for college, complex undergraduate, graduate and postgraduate scholars from the nutrients technology, nutrients Engineering, and Agricultural Engineering departments.
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Sustained advancements in a number of branches of technological know-how and know-how have led to enormous advancements in foodstuff processing equipment. those new processing applied sciences have in flip contributed to enhancement of the standard and acceptability of meals. the purpose of this booklet is to collect, for convenient reference, new advancements referring to chosen foodstuff processing applied sciences.
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Extra info for Food Processing: Recent Developments
CONCLUSION NMR undoubtedly has the potential to be used successfully for on line process control and quality assurance applications in a nimiber of environments and for various industries including food. The basic low resolution NMR techniques which can be used to determine, for example, moisture content are well established. The means of building large and unusually shaped magnets and coils for use in hostile environments has been demonstrated. The cost, although expensive, need not be exorbitant and pay back can be in just a few years.
Foreign body detection) sampling is clearly impossible. 2. Experimental s y s t e m s Only a very few specific on line and large industrial applications of NMR have been developed and a subset of these have been documented in the literature and are in the public domain. They have been developed for a variety of applications not all of which are in the food industry. What many of them have in common, however, is the acceptance of effective sample characterisation according to an NMR derived signal without undue detailed interpretation of the information being obtained.
As an example, Nicholls and De Los Santos have used low resolution NMR to study moisture content in corn gluten (Nicholls and De Los Santos, 1991). Figure 2, taken from their work, shows the ratio of the second echo intensity of a CPMG echo train (the liquid signal) to the full FID intensity immediately following the 90° pulse (the liquid plus solid signal) against moisture content determined from oven drying. An excellent correlation, t5^ical of low resolution NMR moisture determinations is observed.