Prebiotics, probiotics, symbiotics

Question 1

Meaning of prebiotic

Answer 1

Food for beneficial members of your resident microbial community.

Question 2

Health benefits of prebiotics

Answer 2

• Improve mineral absorption
• Modulate inmune system
• Modulate satiety

Question 3

Benefits of whole food fibers

Answer 3

• Laxation
• Improve blood lipids and glucose

Question 4

Sources of prebiotics

Answer 4

Plants, vegetables, whole grains.

Question 5

Example of insoluble fiber

Answer 5

Cellulose

Question 6

Example of soluble fiber

Answer 6

Psyllium

Question 7

Parts of a grain

Answer 7

Endosperm, bran, germ

Question 8

Bioactive compounds of the oat

Answer 8

Betaglucans, vitamin E, phenolic acids.

Question 9

What are beta-glucans?

Answer 9

Soluble fiber from the cell walls of oats.
Polysaccharide.

Question 10

Oat beta-glucan reduces blood glucose and insulin responses?

Answer 10

True

Question 11

Health benefits of beta-glucans

Answer 11

• Anticancer
• Anti-osteoporosis
• Antioxidative
• Anti-diabetes / anti-obesity

Question 12

Types of fiber in oats

Answer 12

• Cellulose
• Lignin
• Resistan starch
• Beta glucans
• Arabinoxylans

Question 13

Health benefits of avenanthramides (AVA)

Answer 13

Antioxidants, anticancer, anti-diabetes, vasodilation.

Question 14

AVA’s attenuates excercise-induced inflammation in postmenopausal women.

Answer 14

True

Question 15

AVA’s reduce glucose in Caco2 cells

Answer 15

True

Question 16

Oats have polyphenols as bioactive compounds

Answer 16

True

Question 17

What does polyphenols in oats do?

Answer 17

Modulate carbohydrate digestion and absorption.

Question 18

Intake of oat phenols to suppress glucose transport in intestine.

Answer 18

1 ml/mL

Question 19

Meaning of probiotic

Answer 19

Live microorganism which confer a health benefit on the host.

Question 20

Health benefits of probiotics

Answer 20

• Support immune function
• Control inflammation

Question 21

Characteristics to be considere as probiotic

Answer 21

• Be isolated from a human
• Have a proven benefit.
• Be safely consumed.

Question 22

Sauerkraut (chucrut) is the result from a lactic acid bacteria. What’s the process?

Answer 22

Fermentation of cabbage in anaerobic conditions and adding salt. Several weeks at 15 - 20 C.