Food toxicity Flashcards

1
Q

What are types of toxins?

A

additives
contaminants
pesticides
natural toxins
mycotoxins

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2
Q

What is de definition of additives?

A

Foodstuff additives with the exeption of colouring agents and
sweeteners

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3
Q

What are exampels of additives?

A

preservatives, flavor enhancers, antioxidants, packaging agents

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4
Q

What do you need to determine EDI?

A
  • Concentration level compound in food
  • Daily intake of foods containing the substance
  • Distribution of food intake by population
  • Potential substance exposure via non-food
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5
Q

How can you calculate EDI?

A

EDI = (CBfIf) + (CBgIf) + (C..etc.
CB = concentration of addtive B in cat f en g
I = daily intake of food cat f en g

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6
Q

What are mycotoxins?

A

poisons produced by fungi

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7
Q

What are examples of mycotoxins?

A

AFLATOXINE, penicillium, aspergillus,

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8
Q

What can you do to prevent mycotoxins?

A

Storage properly:
- right mix of water, nutrients, temperature and acidity

Preperation:
-heating sufficiently
-drying food storage
-low temp
-make more acidic.

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9
Q

What are contaminants?

A

dioxins,
PCB’s
Metals
microplastics

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10
Q

What are factors that influence migration of packaging in food?

A

-packaging properties
-water solubility
-fat solubility
-temperature
-time

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11
Q

What is an example of migration of packaging?

A

plastic fabrics migrate to fatty foods:
-oil, butter, meat

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12
Q

What are HCA’s?

A

Heterocyclic Amines

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13
Q

How do HCA’s form?

A

Preparing muscular meat at high temperature

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14
Q

What is functional food?

A

A food, which beneficially affects one or more target functions in the
body, beyond adequate nutritional effects

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15
Q

Wat is een voorbeeld van een risk benefit product?

A

Vitamine B12
benefit:
-prevention of cancer

risk:
- high intake = increase risk of cancer

moet dus in evenwicht zijn = homeostasis

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