NUTRI - Water-Soluble Vitamins

Chapter 10 Quiz

Vitamin B1 is also known as…

thiamin

Vitamin B2 is also known as…

riboflavin

C₁₂H₁₇N₄OS⁺

thiamin

Characteristics of B1:

• vitamin part of TPP

• metabolizes pyruvate

thiamin

C₁₇H₂₀N₄O₆

riboflavin

Characteristics of B2:

• helps with body growth

• creates red blood cells

ribloflavin

B1 and B2 mainly help with…

energy levels

B1 RDA for men:

1.2 mg/day

B1 RDA for women:

1.1 mg/day

B2 RDA for men:

1.3 mg/day

B2 RDA for women:

1.1 mg/day

B1 deficiency can cause…

Beri Beri

Two forms of Beri Beri:

dry, wet

What does dry Beri Beri damage?

nervous system

Symptom(s) of dry Beri Beri:

muscles weakness in arms and legs

What does wet Beri Beri damage?

cardiovascular

Symptom(s) of wet Beri Beri:

• dilated blood vessels

• edema

B2 deficiency causes:

ariboflavinosis

Ariboflavinosis causes inflammation of which membranes?

mouth, eyes, skin, GI tract

3 sources of B1:

• lean pork chop

• soy milk

• squash, acorn

3 sources of B2:

• milk

• broccoli

• egg

Is there a toxicity issue with B1 and B2?

no

What happens to B1 when cooked?

destroyed in prolonged cooking and leaks into water when boiled and blanched

What happens to B2 when cooked?

is not destroyed when cooked due to its stability

B3 is also known as…

niacin

B7 is also known as…

biotin

What are the two forms of B3?

nicotinic acid, nicotinamide

C_₆H_₅NO_₂

nicotinic acid

C_₆H_₆N_₂O

nicotinamide

The body can can convert ______ to ______ (B3)

nicotinic acid to nicotinamide

C_₁₀H_₁₆N_₂O_₃S

biotin

biotin

B7 contains which element?

sulfur

Sulfur is linked to healthy…

hair, skin, nails

B3 forms which two coenzymes?

NAD+, NADP

What type of reactions is NAD+ involved in?

catabolic reactions (release energy)

Function(s) of NAD+

carries hydrogens and their electrons in metabolic reactions

What type of reactions is NADP used in?

anabolic reactions