week 5: water-soluble vitamin (vitamin C)

Question 1

what is the RDA AND UL of vitamin C?

Answer 1

• men -> 90mg/day, women -> 75mg/day, smokers -> +35mg/day

- UL: adults -> 2000mg/day

Question 2

what is vitamin C also known as?

Answer 2

ascorbic acid

Question 3

what are the roles/functions of Vitamin C?

Answer 3

• acts as antioxidant
• infection fighting
• acts as a cofactor in collagen formation
• acts as a cofactor in other cellular reaction

Question 4

what are the sources of vitamin C?

Answer 4

fruits and vegetables

Question 5

what are the poor sources of vitamin C?

Answer 5

meats, legumes, milk products, breads

Question 6

roles/functions - acts as antioxidants (elaborate)

Answer 6

• defends against five radicals
• protects tissue from oxidative stress which is important to prevent diseases
• helps in absorption of iron by protecting iron from oxidation