food quality Flashcards

1
Q

what is quality

A

quality means fitness for use

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2
Q

why do we process food

A

Improving food safety
Preserving/enhancing nutrition
Palatability: Taste, flavour, appearance, texture
Storage
Function/Convenience

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3
Q

What should a food product be free from

A

Pathogenic micro-organisms
Toxic and Carcinogenic compounds
Physical hazards
Allergens (within reason)

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4
Q

What is Food Safety managed through

A

Hazard Analysis and Critical Control Point (HACCP)

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5
Q

Factors that influence quality

A

Food safety, nutrition, function, pleasure, symbolic and social, morality,

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6
Q

Nutrience in food provides

A

Growth, maintenance, and good health

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7
Q

Extrasensory perception (Esp.) important for

A

Infant foods, fruits and vegetables

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8
Q

How does the factor ‘Function’ influence quality

A

The consumer must be able to handle the product in a way they like.
Flexibility of applications
Time/convenience

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9
Q

Indirect pleasure form food

A

The process of cooking, the environment the food is eaten in

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10
Q

Direct pleasure from food

A

Taste, flavour, texture

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11
Q

Examples of situational foods

A

Religious or social festivals, time of year, time of day, age, celebratory foods, comfort foods

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12
Q

Examples of self (or community) imposed restrictions under morality

A

Food origins (free range, organic), Food processing (halal, kosher), restriction on ingredients (vegetarian or vegan, halal, kosher).

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13
Q

Does morality have a lot of overlap with symbolic and social factors – T or F

A

True

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14
Q

What is a moral effect on others

A

Climate change, fair trade

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15
Q

Factors that improve and influence quality

A

Improving food safety, preserving/enhancing nutrition, palatability: (taste, flavour, appearance, texture), storage, function/convenience

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16
Q

criteria used for quality control must be:

A

quantifiable
discreet
have a direct link to desired quality characteristics

17
Q

direct measurement on Criteria used for quality control

A

presence (or absence) of pathogenic bacteria
minimum concentration of key nutrients
texture

18
Q

direct measurements

A

colour, pH, water activity

19
Q

‘critical values’/cut-off points can be determined

A

experimentally, by legislation, by comparison with other commercial products

20
Q

quality control systems

A

the methods by which we ensure a given product or process meets expectations

21
Q

quality control judgment inspections
possible outcomes…
retroactive…
example …

A

inspection of every individual final product
possible outcomes - accept, reject, or re-work
retroactive - the decision occurs at the end of the processing
example - fruit sorting

22
Q

quality control - statistical quality control (SQC)
possible outcomes…
retroactive…

A

sampling of final product and in-depth evaluation in addition to inspection
possible outcomes - accept, reject - change the processing methods to reduce rejection in the future
retroactive - the decision occurs at the end of the processing before the nest round of processing

23
Q

quality control - source inspections
possible outcomes…
retroactive…

A

at every stage of processing every input is verified
possible outcomes - accept, reject, change the processing methods dynamically to actively prevent rejections
proactive - the decisions are actively made to prevent issues occurring

24
Q

quality control defintion - accuracy vs precision

A

it does not matter how goof your system is if it is giving you bad results
accuracy - how close a measurement of a value is to its true value AKA trueness –> resolved by better equipment and methods
precision - how close measurements are to something when measured repeatedly are to each other
overcome by - law or larger numbers