Lecture 10: Water-soluble vitamins Flashcards
vitamin deficiency associated with scurvy
Vit. C
What vitamin keeps collagen fibres together
Vit. C
Coenzyme in collagen
Vit. C
Vit. C function
collagen fibers, hormone & neurotransmitter synthesis
Vitamin deficiency associated with Beriberi
Thiamin (B1)
Water-soluble vitamins responsible for nerve functions
Thiamin (B1), B12
Water-soluble vitamins responsible for amino acid metabolism
Folate, Vit. B6 (Pyridoxine)
Water-soluble vitamins responsible for neurotransmitter synthesis
Vit. C, Vit. B6 (Pyridoxine), Thiamin (B1)
Coenzyme in energy & lipid metabolism
Riboflavin (B2)
Coenzyme in energy & glucose metabolism
Thiamin (B1)
Coenzyme in energy metabolism & lipid synthesis/breakdown
Niacin (B3)
Coenzyme in amino acid & protein metabolism
Vit. B6
Coenzyme in amino acid metabolism & DNA synthesis
Folate/Folic Acid (B9)
Coenzyme in folate & homocysteine metabolism
B12
Active form of Folate (B9)
Folic acid
Vitamin required to activate folate
Vit. B12
Relations between HCL & B12
HCL activates enzymes that release B12 from proteins
3 main water-soluble vitamins essential for cardiovascular health
Vit. B12, folate, B6
high levels of ____ is linked to cardiovascular health
homocysteine
Water-soluble deficiency associated with inflammation of the mouth
Riboflavin (B2)
Vitamin deficiency associated with Pellagra
Niacin (B3)
Vitamin deficiency associated with neurological systems, convulsions, headaches
Vit. B6 (Pyridoxine)
Vitamin deficiency associated with microcytic anemia & neural tube defects
Folate/Folic acid (B9)
Vitamin deficiency associated with macrocytic anemia and pernicious anemia
B12
Vitamins that regulate homocysteine
B12, Folate, B6
elevated homocysteine risks
dementia, heart disease, stroke
Which nutrient deficiency can cause anemia?
A) Iron
B) Folate
C) Vit. B6
D) Vit. B12
E) All of the above
E)
List the B vitamins
Thiamin (B1)
Riboflavin (B2)
Niacin (B3)
Biotin
Pantothenic acid
Vit. B6
Folate
Vit. B12
Vitamin toxicity that masks B12 deficiency
Folate
Vitamin toxicity that causes numbness, nerve damage
Vit. B6 (Pyridoxine)
Vitamin toxicity that can cause flushing, nausea, rash, tingling
Niacin
Vitamin toxicity that can cause GI distress, diarrhea
Vit. C
Water-soluble vitamins without reported toxicity
Thiamin (B1), Riboflavin (B2) Vit. B12
Supplement that can prevent microcytic anemia but hide vit. B12 deficiency
Folic acid
required for B12 absorption
Intrinsic factor
Macrocytic/Megaloblastic anemia characteristic
red blood cells become large and can’t divide resulting from inadequate folate
Riboflavin (B2) function and deficiency
-coenzyme in lipid and energy metabolism
-inflammation of the mouth
Thiamin (B1) function and deficiency
-Coenzyme in glucose and energy metabolism, neurotransmitter synthesis, nerve functions
-Berberi
Niacin (B3)
-coenzyme in energy metabolism and lipid synthesis
-Pellagra
B6 (Pyridoxine)
-coenzyme in protein and amino acid metabolism, neurotransmitter and hemoglobin synthesis
-neurological symptoms, anemia
Folate/Folic acid (B9) function and deficiency
-coenzyme in DNA synthesis and amino acid metabolism
-macrocytic anemia, neural tube defects
B12 function and deficiency
-coenzyme in folate and homocysteine metabolism, nerve function
-pernicious anemia, macrocytic anemia, nerve functions