5.3.3

Sensory Testing Methods 2

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Grading Tests

Sensory tests give food companies a good sense of how much consumers do or don't like their products. Grading tests analyse food characteristics.

Ranking test

Ranking test

  • Tasters taste food samples.
  • Tasters order the food samples from lowest to highest for a characteristic (e.g. texture, smell).
  • Scores are counted and ranked.
Rating test

Rating test

  • Tasters taste food samples.
  • Tasters use a scale (numerical or otherwise) to rate different characteristics.
Profiling test

Profiling test

  • Tasters taste food samples.
  • Tasters use a scale (numerical or otherwise) to rate different characteristics.
  • Those conducting the test work out an average rating for each characteristic.
  • Based on these average ratings, those conducting the test create a food profile which can be represented visually (e.g. using a star diagram).

Fair Food Testing

It's important that food tests aren't biased and are conducted fairly. Here are some factors to consider for fair testing:

Sufficient tasters

Sufficient tasters

  • You need to have a sufficient number of tasters sitting on the panel.
Blind testing

Blind testing

  • Tasters must not know what the samples are before trying. This is called blind testing.
Independent work

Independent work

  • Tasters should not work with other participants in case these participants influence their answers.
Small sample sizes

Small sample sizes

  • Sample sizes should be small so that tasters don't fill up too quickly.
Access to water

Access to water

  • Tasters should be given water to drink between tastings so that they can get rid of the taste of the previous sample.
Testing environment

Testing environment

  • The testing environment should be:
    • Quiet.
    • Clean.
    • If multiple testing areas are being used, they should be lit the same so that the samples look the same to everyone.
Jump to other topics
1

Food Preparation Skills

2

Food, Nutrition & Health

3

Food Science

4

Food Safety

5

Food Choice

6

Food Provenance

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