Food Analysisv

True

The mini-column used to separate chemical dyes is hydrophobic.

sugar content

A refractometer is used to measure

mouthfeel

The term ____________ is used to describe textural properties of a food.

it flows really rapidly

When a fluid had low viscosity, it means that

acceptance

In order to determine which product sample was preferred, a(n) __________________ test must be administered.

learn what consumers like or dislike
learn what consumers think

Sensory testing is used to: (select all that apply)

True

pH effects flavor and storage stability of a product.

True

Texture can be felt with fingers, tongue, palate or teeth.

The separation of components from a mixture

What is chromatography?

have volatile compound

In order to smell the aroma of food, the food must:

False

Flavor will be positively impacted by any temperature change. For example, the flavor of a frozen dessert is positively impacted if served at room temperature.

umami

The ___________ taste is a savory taste common in Japanese foods.

False

Sensory testing utilizes only one sense when conducting a test.

False

Objective tests use panelists to run a test.

less than

Acidic food has a pH ______________ 7

- a combination of aroma and taste
- really subjective

Flavor is: (select all that apply)

True

During a test, a ballot is essential because it gives information on how the test should develop by giving instructions.

False

Fruit flavors have a basic pH.

False

Threshold concentration is the same for every individual.

True

The color of a product can influence the decision of a panelist

A measure of how thick something is

What is viscosity?

size, color, shape

The appearance of a product includes: (select all that apply)

sweet, sour, bitter, salt, umami

What are the five major tastes?

True

There are different types of sensory tests that can be done.

False

Spicy is classified as one of the five major tastes.

triangle test, duo-trio test

What are some types of difference/discrimination tests? (select all that apply)

False

The beverages used for the chromatography experiment contains only one color.

consumer numerical bias

A 3 digit random code is used to prevent ______________________.

colorant types
nutritional information
colorant levels

An objective analysis can be done to determine: (select all that apply)

newtonian

Liquids can be separated into __________________ and non-[blank1] fluids based on their behavior when shear stress is applied.

True

pH effects flavor and storage stability of a product.