W26/L8

Question 1

What is B1 aka?

Answer 1

Thiamin

Question 2

What is B2 aka?

Answer 2

Riboflavin

Question 3

What is B3 aka?

Answer 3

Niacin

Nicotinamide

Question 4

What is B6 aka?

Answer 4

Pyridoxine

Question 5

What is VitC aka?

Answer 5

Ascorbic acid

Question 6

What compounds fall under Vit A?

Answer 6

Retinol
Retinal
Retinoid acid

Question 7

Which vitamins are fat soluble?

Answer 7

A, D, E & K

Question 8

What are good food sources of thiamin?

Answer 8

Vegemite
Wholemeal breads/fortified cereals
Buckwheat (soba noodles)

Question 9

What are good food sources of riboflavin?

Answer 9

Vegemite
Milk/cheese
Fortified cereals

Question 10

What are good food sources of niacin?

Answer 10

Vegemite
Wheat bran
Fortified cereals

Question 11

What are good food sources of pyridoxine?

Answer 11

Vegemite
Nuts
Bananas
Fortified cereals

Question 12

What are good food sources of biotin?

Answer 12

Brewer’s yeast
Cooked egg yolk
Soy beans

Question 13

What are good food sources of folate?

Answer 13

Green leafy vegetables
Liver
Fortified cereals

Question 14

What are good food sources of Vit B12?

Answer 14

Meat
Egg yolks
Cheese

(Mushrooms, only cause they tend to grow on mean-containing compost, and become “infected” with B12)

Question 15

What are good food sources of Vit C?

Answer 15

Citrus fruits

Cabbage

Question 16

What are good food sources of Vit A?

Answer 16

Lots of fruits & veg - especially carrots
Liver

(Derived from beta-carotene in vegetables, stored in the liver)

Question 17

What is our source of Vit D?

Answer 17

It’s derived from cholesterol & requires UV light for synthesis, so technically it’s not a vitamin - we make it ourselves

Question 18

What is a good food source of Vit E?

Answer 18

Seed oils

Question 19

What is our source of Vit K

Answer 19

Produced by gut flora

Question 20

What’s the biological role of biotin?

Answer 20

Co-enzyme that adds CO2 -> required for glucose, fat & AA biosynthesis

Question 21

What’s the biological role of folate?

Answer 21

“one-carbon” metabolism

AA, fat, purines for DNA

Question 22

What’s the biological role of Vit B12

Answer 22

Forms a coenzyme (with cobalt) important for folate metabolism & transalylations -> important for DNA synthesis

Question 23

What are the biological roles of thiamin? (3)

Answer 23

Nerve function
CHO, protein and fat metabolism
Co-enzyme for pyruvate dehdrogenase -> is required for conversion of pyruvate to acetylCoA and all aerobic metabolism

Question 24

What’s the biological role of riboflavin?

Answer 24

Electron carrier -> cofactor for TCA cycle

CHO, protein and fat metabolism

Question 25

What's the biological role of niacin?

Answer 25

Coenzyme Electron carrier (NADH, NADPH) CHO, protein and fat metabolism

Question 26

What's the biological role of pyridoxine?

Answer 26

AA metabolism

Question 27

What's the biological role of Vit C?

Answer 27

Cofactor in collagen synthesis NT metabolism Fe absorption Antioxidant

Question 28

What's the biological role of Vit A?

Answer 28

Important for retina (night vision) | Epithelial growth

Question 29

What are the biological roles of Vit D?

Answer 29

Ca2+ regulation & bone development

Question 30

What is required for B12 absorption in the small intestine?

Answer 30

Intrinsic factor | a glycoprotein produced by stomach parietal cells