Lecture 10: Vitamins Overview & Phytochemicals

Question 1

Water-soluble vitamins

Answer 1

Vitamin C & B’s

Question 2

Fat-soluble vitamins

Answer 2

A, D, E, K

Question 3

Vitamin B6 (Pyridoxine) Major Function

Answer 3

-Coenzyme in protein and amino acid metabolism

-Neurotransmitter and haemoglobin synthesis

Question 4

Vitamin B6 (Pyridoxine) Deficiency and disease symptoms

Answer 4

-neurological symptoms
-nausea
-poor growth
-aniema

Question 5

Folate/Folic Acid (B6) Major Function

Answer 5

-coenzyme in DNA synthesis and amino acid metabolism

Question 6

Nutrient deficiencies that can cause anemia

Answer 6

Iron, Folate, Vit. B6, Vit. B12

Question 7

Water soluble vitamin absorption

Answer 7

in blood

Question 8

Fat soluble vitamin absorption

Answer 8

with lipids into lymph

Question 9

Water-soluble transport

Answer 9

bound to blood proteins

Question 10

Fat-soluble transport

Answer 10

chylomicrons

Question 11

Fat-soluble storage

Answer 11

liver & adipose tissue

Question 12

Toxicity in water-soluble vitamins

Answer 12

from supplements, fortified food

Question 13

Vitamin B function

Answer 13

energy metabolism

Question 14

Vitamins are essential for what kind of environmental damage?

Answer 14

oxidative damage

Question 15

Antioxidants vitamins and function

Answer 15

C, E, beta carotene, neutralize free radicals

Question 16

Vitamins essential for blood health

Answer 16

B12, k

Question 17

Vitamins essential for bone health

Answer 17

C, D, K, A

Question 18

Factors that affect food adsorption

Answer 18

1. composition of diet
2. composition of GI tract
3. method of preparation
4. sources of nutrient
5. availability of transport system

Question 19

What causes vitamin destruction

Answer 19

Oxidation, heat, UV light

Question 20

Properly storing food in air-tight containers or avoiding factors that cause destruction….

Answer 20

increases bioavailability of vitamins