Selling price ($/kg)

Figure 1. The relationship between the concentration of a biotechnological product in the starting material and its selling price. Reproduced with permission from Dwyer (1984).

Biotechnology undoubtedly offers great potential for novel products and processes in the food industry. The realisation of this potential is dependent on many factors, but the development of suitable downstream processing techniques will play a key role in turning the technical feasibility of emerging biotechnologies into economic viability. In this chapter, some new developments in bioseparations which may help to meet this need will be discussed. It has been the purpose of this introduction to place these developments in the context of a rapidly expanding science where new possibilities, and new issues, must be considered. In such an environment, an innovative approach to research by the food industry will be crucial.

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