Water Soluable Vitamins

Question 1

What is absorbic acid

Answer 1

Vitamin c

Question 2

Vitamin c sources

Answer 2

Fruits veg oranges lemons red and green peppers strawberries black currants broccoli Brussels sprouts potato’s

Question 3

What happens when vitamin c sources are chopped/ prepared

Answer 3

Releases ascorbate oxidase which can hinder the vitamin c content

Question 4

What happens when ascorbic acid is oxidised

Answer 4

Turns into dehydroasopic acid

Answer 5

80-90% of vitamin c absorbed

Question 6

Absorption of vit c ?

Answer 6

Absorbed in mouth and small intestine

Answer 7

Found in plasma and red blood cells

Question 8

Biological role of vitamin c

Answer 8

Anti oxidants traps oxygen and restores vitamin e

Question 9

Vitamin c fiction

Answer 9

Hormone synthesis

Question 10

What can vitamin c deficiency cause

Answer 10

Scurvy

Question 11

Scurvy characteristics

Answer 11

Skin hair changes
Bone pain due to abnormal collagen synthesis
Anemia

Question 12

What is vitamin b crucial for

Answer 12

Energy metabolism

Question 13

Thiamin= vitamin B1
Dietary sources ?

Answer 13

Pork, potatoes, whole grain cereal,meat, fish

Question 14

How can vitamin b lost

Answer 14

Can be lost by leaching into water , stories by polyphenols

Question 15

Vitamin absorption

Answer 15

Small intestine , inihibited by alcohol

Answer 16

Excess lost in sweat and urine

Question 17

Bio role of but b

Answer 17

Energy metabolism
Makes energy from carbohydrates
thiamin diphosphate
Nerve conduction thiamin triophosphate

Question 18

Deficiency in vitamin b1

Answer 18

Beriberi

Question 19

Requirements of cut b1

Answer 19

Depends on carb intake 1ųg per day

Question 20

Riboflavin vitamin b 2

Answer 20

Milk eggs , legumes
Mushrooms fortified cereals
Food colouring yellow

Question 21

Absorption of vitamin b2

Answer 21

Circulated in plasma recycled excreted by urine

Question 22

Bio role of b2

Answer 22

Part of coenzyme FAD of many oxidation’s and reductions
Energy production from carbohydrates fat and protein

Question 23

Deficiency in b2

Answer 23

Dryness and cracking of skin mouth and nose
Red and dry tongue

Question 24

Deficiency in b2

Answer 24

Dryness and cracking of skin mouth and nose
Red and dry tongue

Question 25

RI of b2

Answer 25

1.1 mg

Question 26

NIACIN VIT B3 Sources

Answer 26

Synthesised from tryptophan Turkey , chicken , liver tuna pork diary eggs peanuts sesame seeds

Question 27

Absorption of vitamin v3

Answer 27

Hydrolysed into nicotinamide and absorbed in small intestine Excreted in urien

Question 28

Bio role of b3

Answer 28

Part of coenzyme NAD,NADP Energy production from carbs and fats AIDS digestive system

Question 29

Deficiency vit b3

Answer 29

Pellagra Photosensitive dermatisists Dementia

Question 30

RI VITB3

Answer 30

men 16.5mg Woman 13.2 mg

Question 31

FOLATE B9 Sources

Answer 31

Meat liver sea food lean meat poultry eggs Broccoli spinach Legumes Fortified cereal

Question 32

Absorption of folate b9

Answer 32

Polyglutamyl chain needs to be removed for absorption Folate needs to be demthylated to be active requires zinc and b12

Question 33

Bio role of folate b9

Answer 33

Breakdown of homocysteine associated with cvd dna synthesis and multiplication of red blood cells Formation of neaural tube

Question 34

Deficiency of b9

Answer 34

Hyperhomocystinamia contributes if arterial damage blood clots Megaloblasgic anaemia Large and immature blood cells and realised in blood In pregnancy spinal biffida

Question 35

B1 RI

Answer 35

200 micrograms

Question 36

Sources of pantothenic acid B5

Answer 36

Chicken beef potato’s kidney eggs fortified food

Question 37

Break down of B5

Answer 37

Broken down into pathogenic acid to be absorbed produced by the intestinal bacteria

Question 38

Biological role of B5

Answer 38

Functional moiryy if coenzyme A present in all tissues carrying a tk groups FA CHAINS FAT METABOLISM , ENERGY FROM FATS SYNTHISIS AND DEGRTAION OF FA

Question 39

Deficiency in B5

Answer 39

Burning food syndrome in the 1940/ war prisoners

Question 40

Sources of VIT B6

Answer 40

Fish beef liver starchy veg , soy beans

Question 41

Absorption of vit b6

Answer 41

In the small intestine Needs to be dephosorilated to be absorbed Active form is pryidoxal phosphate

Question 42

Bio role of B6

Answer 42

coenzyme in metabolic reaction AA conversion Glycogen breakdown Formation of red blood cells and the metabolism and transport of iron Breaks down homocysteine

Question 43

deficiency in B6

Answer 43

Acute hearing Seizures Conjunctivitis

Answer 44

Poor status of b6 can be associated with breast cancer and CVD

Question 45

Requirements of b6

Answer 45

1.4 1.2 mg/ d

Question 46

Biotin food

Answer 46

Organ meats

Answer 47

Biocytin released from protein and broken down into free biotin to be absorbed in the small intestine Needs

Question 48

Bio role of biotin

Answer 48

Cell cycle gllucogenidid