food additives Flashcards

1
Q

direct/ intentional additives

A

achieve a desired effect - apperance, texture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

indirect/ incidental additives

A

added as a result of various industrial, agricultural or domestic practices. Pesticides, herbicies, etx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

directive foods 3 mains groups are

A

1) food processing aids/ functional additives
2) food preservatives
3) food quality enhancers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

food texture improvers is composed of

A

emulsifiers: achieve a stable emulsion between 2 phases

thickners: added to food to modify the texture or consistency form thin or thick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the 2 types of water binding agents

A

humectants : keeps moisture in the food products

anti caking agents: absorb moisture form the food to keep it dry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the functions of
- enzymes
- foaming agents
- acids
- alkalis
- buffers

A
  • enzymes : tenderize meats, achieve sweetness
  • foaming agents: gelatin, bubble gels trapped the product is flufflier
  • acids: impart flavor in food as well as texture
  • alkalis: release CO2 that cause volumes of products to swell
  • buffers: used to stabilize
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

food preservatives can control microbial growth by

A

fermentation, humectants, acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

fermentation

A

prevent spoilage and exten shelf life,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

humenctants/ water binding agnets

A

reduce water activity in the milieu and cause inactivation of the microorganism that cause spoilage / enzyme activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

acids

A

cause ph decline in foods that would less microorganms and inactivation of enzymes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

food preservatives :
gas sterilants
synthetic metabolic inhibitors
inorganic compounds

A

gas sterilants: desinfect processing equipment

synthetic metabolic inhibitors:
preserve food

inorganic compounds :
inactivate microorganism like sulfite an nitrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly