Biomedical Engineering Reference
In-Depth Information
10 μm
Figure 2.4 Small spherical particles formed from slowly cooled, jet-cooked wheat starch (identical in
appearance with those formed with corn starch). (a), phase contrast light micrograph with higher
magnification in inset. (b), Scanning electron micrograph.
can be easily scaled up to produce large quantities of material for new product development.
The ability to use excess steam conditions to maximize mechanical shear enhances the
versatility of this processing method and allows this method to be used with numerous
feedstock combinations.
In this chapter, a number of non-traditional processing methods that have been developed to
modify starch properties for a wide variety of end-use applications have been reviewed. For
example, annealing and heat-moisture treatment have been shown to modify the swelling
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