Sensory Evaluation Flashcards
Sensory Evaluation Definition
The human analysis of the taste, smell, sound, feel and appearance of food
5 senses
● Taste
● Smell
● Sight
● Hearing
● Touch
Physical Influences
Genetic makeup
- number of taste buds
- health
- gender
Cultural Influences
- region
- lifestyle
- religious practices
Psychological Influences
- Taste buds due to negative/positive experiences with particular foods
Environmental Influences
- Climate
- Geography
- Fuel availability
Sensory Characteristics- Appearance
- Shape
- Size
- Condition
- Colour
Sensory Characteristics- Appearance
Colour breakdown + measured by
Colorimeter
Hue- Red, blue, green
Value- Lightness or darkness
Chroma- Intensity
Sensory Characteristics- Flavour
Taste- influenced by temperature
Aroma
Sensory Characteristics Texture
Chewiness
Graininess
Brittleness
Firmness
Consistency
Sensory Fundamentals- Sight
Sensory Fundamentals- Sight
Principles- Discrimination Testing
Detectable differences between products
Principles- Descriptive Analysis
Detailed description of the sensory characteristics
Principles- Consumer testing
Consumers’ preference, acceptability, or purchase intent
Methodologies
- Controlled testing environments
- Panellist selection
- Sample management
- Data Analysis
Controlled testing environments
Temp can influence taste
Panellist selection
Individuals with specific sensory abilities and training for consistency
Sample management
Prepared and presented in a consistent manner to each panellist
Data Analysis
Use statistical tools to analyse sensory data and draw meaningful conclusions
