Naturally Occuring Toxicants II

Question 0

What are the three types if anti-nutritional factors?

Answer 0

The three types of anti-nutritional factors are:

Type A - affects “amino acid” absorption
Type B - “blocks” mineral absorption
Type C - “crushes” or destroys vitamins, therefore minimizes vitamin absorption

Question 1

What are the four conditions natural contaminants create problems.

Answer 1

1. Genetic error or metabolic problem.
2. Abnormal sensitivity/allergy.
3. Increased dosage leads to toxicity.
4. Toxic at any dose level.

Question 2

What is an example of food containing Type A anti-nutritional compounds?

Answer 2

Winged-bean soy beans contain trypsin inhibitors, which is Type A ANF.

Trypsin is a protein.

Question 3

What is an example of food containing Type C ANF?

Answer 3

Ascorbic acid oxidase is a Type C ANF.

Ascorbic acid is vitamin C.

Question 4

Describe three ways to contaminate food.

Answer 4

Three ways to contaminate food are:

1. Mixing edible and toxic plants
2. Consuming animals that are contaminated
3. Exposure to microbial contamination