Product Testing & Sensory Evaluation Flashcards

What is the main purpose of sensory evaluation in product development?

Answer: To determine consumer acceptance of the product

Sensory evaluation is a scientific discipline used to evoke, measure, analyze, and interpret reactions to characteristics of food as perceived by the senses. In product development, its primary goal is to understand how consumers perceive a product's taste, smell, texture, and appearance. This ultimately determines its market appeal and acceptance.

Which sensory attribute is associated with the 'mouthfeel' of food?

Answer: Texture

Mouthfeel refers to the physical sensations experienced in the mouth when consuming food or drink, independent of taste and smell. Texture, which encompasses properties like chewiness, crispiness, creaminess, and viscosity, is the primary sensory attribute that defines a food's mouthfeel. It significantly influences eating pleasure and overall perception.

What does a triangle test measure in sensory analysis?

Answer: Whether there is a sensory difference between two products

In a triangle test, panelists are presented with three samples, two of which are identical and one is different. Their task is to identify the odd sample. This method is specifically designed to determine if a perceptible sensory difference exists between two products, rather than expressing a preference or describing attributes.

Which type of sensory test asks participants to rank products from best to worst?

Answer: Ranking test

A ranking test is a type of sensory evaluation where panelists are given multiple samples and asked to arrange them in order. This order is based on the intensity of a specific attribute (e.g., sweetness, bitterness) or overall preference. This method provides comparative data on how products relate to each other along a given scale.

What is the purpose of product testing in food product development?

Answer: To analyze the taste and texture of the product

Product testing in food development involves evaluating various attributes of a new food item to ensure it meets quality standards and consumer expectations. A critical aspect of this testing is analyzing sensory characteristics like taste, texture, aroma, and appearance. These attributes directly impact consumer satisfaction and market success.

Which is the most commonly used method for sensory evaluation of food?

Answer: Sensory panels

Sensory panels, composed of trained or untrained individuals, are systematically used to evaluate food products based on their sensory attributes. These panels provide objective and subjective data on taste, aroma, texture, and appearance. This makes them a fundamental and widely adopted tool in food science for quality control and product development.

What sensory attribute is measured using a trained panel of experts?

Answer: Descriptive analysis

Descriptive analysis utilizes highly trained panelists who are skilled in identifying, quantifying, and describing the specific sensory attributes of a product. Unlike preference tests, which focus on liking, descriptive analysis provides a detailed, objective profile of a product's sensory characteristics. This includes specific flavors, aromas, and textures, offering in-depth insights.

Which of the following is a key factor to consider when developing a new food product?

Answer: Consumer acceptance

While factors like shelf life and packaging are important, the ultimate success of a new food product hinges on whether consumers will purchase and enjoy it. Therefore, understanding and ensuring consumer acceptance through sensory evaluation and market research is paramount. This makes it a key factor in the product development process.

What is the most common test used to measure product acceptance by consumers?

Answer: Acceptance testing

Acceptance testing directly assesses how much consumers like or dislike a product, or their willingness to purchase it. This type of sensory test typically involves a larger group of untrained consumers who evaluate the product based on overall liking or specific attributes. It provides crucial data for market viability and product success.