Dietary fibre

Question 1

水溶性纖維 Soluble fibre food?

Answer 1

swells in water into a gel-like substance
legumes, oats, fruit, nuts
will combine with oil excretion from body decrease cholesterol

Question 2

What is fibre?

Answer 2

They CANNOT be digested by enzymes in intestinal tract

Question 3

非水溶性纖維 Insoluble fibre food?

Answer 3

also swells in water
cereal and vegetables
absorb water turn soft and bigger, help BO take enough fluid

Question 4

structure of dietary fibre?

Answer 4

pectin果膠 單糖
cellulose纖維素
hemicellulose 半纖維素

Question 5

Insoluble fibre

Answer 5

• Cellulose
• Hemi-cellulose
• Lignin

Question 6

soluble fibre

Answer 6

• Gums樹膠
• Pectins果膠
• Beta-glucans
• Psyllium

Question 7

cellulose纖維素 food?

Answer 7

Grains, fruits, vegetables and nuts

Question 8

hemicellulose 半纖維素 food?

Answer 8

The outer layer on many cereals grains is rich in
hemicellulose, e.g. legumes, vegetables and nuts

Question 9

Lignin 木質素 food
Functions:

Answer 9

Not carbohydrates
Make up the woody parts of vegetables such as carrots and
broccoli and seeds of fruits
Functions:* Fermentation produces short chain fatty acids associated with
decreased risk of tumor

Question 10

Beta-glucans?

Answer 10

Polysaccharides of branched glucose units
* Found in large amounts in barley 大麥and oats
* Binds with bile
➔ Especially effective in lowering blood
cholesterol levels

Question 11

Chitin 甲壳质and Chitosan殼聚醣

Answer 11

Polysaccharides
crab and
lobsters and in wall of most fungi
* Primarily consumed in supplement