The consumers' liking and disliking of the sensory properties are complex because they are bringing their product stereotypes, expectations, past experiences, and some of the other product attributes that influence their acceptance of the product.
The problem in product development is how to relate future consumer and market needs, wants and behaviour to product, production, processing and marketing technologies; and also how to relate new technologies to future consumer and market needs. This interrelationship is important in every stage of the PD Process. Therefore the consumer needs to be involved at every stage either directly or through their recorded needs and wants. The product development is focused on the consumers or in the case of the industrial and food service product development on both the customers and the consumers.
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