Cereals: Novel Uses and Processes by Grant M. Campbell, Colin Webb, Stephen L. McKee

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By Grant M. Campbell, Colin Webb, Stephen L. McKee

"So lengthy as someone is in a position to self renewal they're a dwelling being. " -Amiel Cereals were the resource of lifestyles to the human race, offering dietary and ma­ terial wishes because the sunrise of civilization. as with every dynamic industries, the Cereal in­ dustry has renewed itself some time past; because the millennium techniques, it really is near to one other renewal, during which the flexibility and windfall of cereals are being rediscovered, yet in new and intriguing methods. Cereals are richly various; over 10,000 types convert minerals and the power of the sunlight right into a bursting catalog of useful and flexible biomolecules and biopolymers. Processing know-how permits those elements to be accessed, separated, remoted and purified, whereas chemical technological know-how permits amendment for even better variety and speci­ ficity. The final century has visible the flow from cereal- to oil-based chemical and fabrics industries. yet cereals comprise a wider variety and performance of macromolecules than oil. Starch, protein, bran and straw, already assorted throughout cereal types, could be fraction­ ated into extra particular parts, transformed chemically to reinforce functionality, or used as feedstocks in fermentation-based bioconversion structures, to supply a number of bulk and high quality chemical compounds for industries as varied as nutrients, prescribed drugs, plastics, textiles, pulp and paper, delivery, composites and forums, adhesives and effort.

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It should be noted, however, that the compression set results obtained in this study are under an accelerated test environment and may not correlate closely with the real end-use situations. 4. CONCLUSIONS All foams extended with corn starch exhibited significantly higher values in density and resilience than the control foam. An increase in corn starch percentage increased the foam density. The comfort factor increased with increasing the percentage of corn starch in the foam formulation. Foams containing 40% corn starch had a profoundly greater comfort factor than the control foam.

In contrast, potatoes grow well in the UK and high yields are regularly obtained. However, quota restrictions on the allocation of EU support payments currently prevent any development of a UK potato starch industry. In the year 1993/94, 216 221 tonnes of starch was used for non-food markets within the UK. Of this, 30% was imported potato starch, 57% was maize starch processed in the UK from imported maize, and only 13% was wheat starch most of which is both grown and processed in the UK. Figures 1 and 2 shows how industrial starch is utilised within the UK and the EU.

BIODEGRADATION OF STARCH/PHBV COMPOSITES Composites of PHBV with polysaccharides are known to degrade more rapidly than PHBV alone (Ramsay et al, 1993; Yasin et al, 1989). Ramsay and co-workers showed that the starch in these materials degraded faster than the PHBV (Ramsay et al, 1993), while Yasin and co-workers found that hydrolysis was substantially enhanced by the presence of a variety of polysaccharides (Yasin et al, 1989). The effects of starch treatment and other additives were not examined in these studies.

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