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Sensory Analysis. Using sensory analysis in Food Technology. Sensory analysis is used to evaluate food products. Sensory analysis is used in industry and discovers details on: Flavour and taste Texture Appearance – Colour, shape, size Smell/Aroma Sounds.

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sensory analysis

Sensory Analysis

Using sensory analysis in Food Technology

sensory analysis is used to evaluate food products
Sensory analysis is used to evaluate food products
  • Sensory analysis is used in industry and discovers details on:
  • Flavour and taste
  • Texture
  • Appearance – Colour, shape, size
  • Smell/Aroma
  • Sounds
sensory analysis studies three main areas
Sensory Analysis studies three main areas
  • What does the product taste like?
  • What are its sensory characteristics?
  • How does a change in production, packaging or storage affect sensory characteristics
sensory analysis in the food industry
Sensory analysis in the Food Industry
  • Sensory analysis is used at several stages during product development
  • Companies can compare a competitor’s product
  • Improve products by modifying or changing the ingredients
  • Check that the specification is being met
industry continued
Industry continued
  • Monitor quality control by checking regular samples against specification
  • Detect differences between products from different runs or batches
  • Profile the characteristics of new products
  • Describe specific characteristics
industry continued1
Industry Continued
  • Demonstrate new products to marketing team
  • Promote new or reformulated products to consumers
  • Sensory analysis is carried out in controlled conditions
which senses are used in analysis
Which senses are used in Analysis?
  • Sight – Appearance
  • Smell and taste – Aroma and flavour
  • Touch – Texture and mouthfeel
  • Sound – Noise
sensory analysis tests
Sensory Analysis Tests
  • Preference Tests – These supply information about people’s likes/dislikes of a product.
  • Discrimination Tests – Aim to evaluate specific attributes ie Crunchiness
preference tests
Preference Tests
  • Pair comparison/preference test – a test which compares a pair of similar products looking at specific characteristics
  • Hedonic tests – Test sample and grade 1=Dislike very much, 5=Like very much. Samples analysed for lowest/highest score
  • Scoring tests – Samples are scored on a scale between like and dislike
discrimination tests
Discrimination Tests
  • Ranking – Decide on attribute to be ranked eg Crunchiness, allow people to evaluate samples and place them in rank order
  • Star Diagram – Allows food products to be evaluated using a range of attributes
star diagram
Star Diagram
  • The test can be used to:
  • Evaluate differences in similar products
  • Gauge consumer response
  • Analyse specific attributes
  • Check a product meets its specification
  • Compare similarities in a range of products
  • Show opportunities for product development