Vitamins and Essential Minerals Flashcards
fat-soluble vitamins
vitamin A (retinol, retinal, retinoic acid)
vitamin D (cholecalciferol)
vitamin E (tocopherol)
vitamin K (phylloquinone, menaquinone, menadione)
water-soluble vitamins
vitamin B1 (thiamine)
vitamin B2 (riboflavin)
niacin, nicotinamide, nicotinic acid
vitamin B6 (pyridoxine, pyridoxal, pyridoxamine)
folate (folic acid)
vitamin B12 (cobalamin)
pantothenic acid
biotin
vitamin C (ascorbic acid)
major minerals
sodium
potassium
phosphorus
chloride
calcium
magnesium
sulfur
trace minerals
selenium
fluoride
iodine
chromium
manganese
iron
zinc
copper
vitamin A
retinol, retinal, retinoic acid
vitamin D
cholecalciferol
vitamin E
tocopherol
vitamin K
phylloquinone, menaquinone, menadione
vitamin B1
thiamine
vitamin B2
riboflavin
vitamin B6
pyridoxine, pyridoxal, pyridoxamine
vitamin B12
cobalamin
vitamin C
ascorbic acid
vitamin A primary functions
a. Required for ability of eyes to adjust to changes in light
b. Protects color vision
c. Assists cell differentiation
d. Required for sperm production in men and fertilization in women
e. Contributes to healthy bone
f. Contributes to healthy immune system
vitamin A reliable food sources
Preformed retinol: Beef and chicken liver, egg yolks, milk
Carotenoid precursors: Spinach, carrots, mango, apricots, cantaloupe, pumpkin, yams
vitamin A toxicity and deficiency symptoms
Toxicity: Fatigue; bone and joint pain; spontaneous abortion and birth defects of fetuses in pregnant women; nausea and diarrhea; liver damage; blurred vision; hair loss; skin disorders
Deficiency: Night blindness, xerophthalmia; impaired growth, immunity, and reproductive function
vitamin D primary functions
a. Regulates blood calcium levels
b. Maintains bone health
c. Assists cell differentiation
vitamin D reliable food sources
Canned salmon and mackerel, milk, fortified cereals
vitamin D toxicity and deficiency symptoms
Toxicity: Hypercalcemia
Deficiency: Rickets in children; osteomalacia and/or osteoporosis in adults
vitamin E primary functions
a. As a powerful antioxidant, protects cell membranes, polyunsaturated fatty acids, and vitamin A from oxidation
b. Protects white blood cells c. Enhances immune function d. Improves absorption of vitamin A
vitamin E reliable food sources
Sunflower seeds, almonds, vegetable oils, fortified cereals
vitamin E toxicity and deficiency symptoms
Toxicity: Rare
Deficiency: Hemolytic anemia; impairment of nerve, muscle, and immune function
vitamin K primary functions
a. Serves as a coenzyme during production of specific proteins that assist in blood coagulation and bone metabolism
vitamin K reliable food sources
Kale, spinach, turnip greens, brussel sprouts
vitamin K toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Impaired blood clotting; possible effect on bone health
vitamin B1 primary functions
a. Required as enzyme cofactor for carbohydrate and amino acid metabolism
vitamin B1 reliable food sources
Pork, fortified cereals, enriched rice and pasta, peas, tuna, legumes
vitamin B1 toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Beriberi; fatigue, apathy, decreased memory, confusion, irritability, muscle weakness
vitamin B2 primary functions
a. Required as enzyme cofactor for carbohydrate and fat metabolism
vitamin B2 reliable food sources
Beef liver, shrimp, milk and dairy foods, fortified cereals, enriched breads and grains
vitamin B12 toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Ariboflavinosis; swollen mouth and throat; seborrheic dermatitis; anemia
niacin primary functions
a. Required for carbohydrate and fat metabolism
b. Plays role in DNA replication and repair and cell differentiation
niacin
nicotinamide, nicotinic acid
niacin reliable food sources
Beef liver, most cuts of meat/fish/poultry, fortified cereals, enriched breads and grains, canned tomato products
niacin toxicity and deficiency symptoms
Toxicity: Flushing, liver damage, glucose intolerance, blurred vision differentiation
Deficiency: Pellagra; vomiting, constipation, or diarrhea; apathy
vitamin B6 primary functions
a. Required as enzyme cofactor for carbohydrate and amino acid metabolism
b. Assists synthesis of blood cells
vitamin B6 reliable food sources
Chickpeas (garbanzo beans), most cuts of meat/fish/poultry, fortified cereals, white potatoes
vitamin B6 toxicity and deficiency symptoms
Toxicity: Nerve damage, skin lesions
Deficiency: Anemia; seborrheic dermatitis; depression, confusion, and convulsions
folate
folic acid
folate primary functions
a. Required as enzyme cofactor for amino acid metabolism
b. Required for DNA synthesis
c. Involved in metabolism of homocysteine
folate reliable food sources
Fortified cereals, enriched breads and grains, spinach, legumes (lentils, chickpeas, pinto beans), greens (spinach, romaine lettuce), liver
folate toxicity and deficiency symptoms
Toxicity: Masks symptoms of vitamin B12 deficiency, specifically signs of nerve damage
Deficiency: Macrocytic anemia; neural tube defects in a developing fetus; elevated homocysteine levels
vitamin B12 primary functions
a. Assists with formation
of blood
b. Required for healthy nervous system function
c. Involved as enzyme cofactor in metabolism of homocysteine
vitamin B12 reliable food sources
Shellfish, all cuts of meat/fish/poultry, milk and dairy foods, fortified cereals
vitamin B12 toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Pernicious anemia; tingling and numbness of extremities; nerve damage; memory loss, disorientation, and dementia
pantothenic acid primary functions
a. Assists with fat metabolism
pantothenic acid reliable food sources
Meat/fish/poultry, shiitake mushrooms, fortified cereals, egg yolk
pantothenic acid toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Rare
biotin primary functions
a. Involved as enzyme cofactor in carbohydrate, fat, and protein metabolism
biotin reliable food sources
Nuts, egg yolk
biotin toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Rare
vitamin C primary functions
a. Antioxidant in extracellular fluid and lungs
b. Regenerates oxidized vitamin E
c. Assists with collagen synthesis
d. Enhances immune function
e. Assists in synthesis of hormones, neurotransmitters, and DNA
f. Enhances iron absorption
vitamin C reliable food sources
Sweet peppers, citrus fruits and juices, broccoli, strawberries, kiwi
vitamin C toxicity and deficiency symptoms
Toxicity: Nausea and diarrhea, nosebleeds, increased oxidative damage, increased information of kidney stones in people with kidney disease
Deficiency: Scurvy; bone pain and fractures, depression, and anemia
sodium primary functions
a. Fluid balance
b. Acid-base balance
c. Transmission of nerve impulses
d. Muscle contraction
sodium reliable food sources
Table salt, pickles, most canned soups, snack foods, cured luncheon meats, canned tomato products
sodium toxicity and deficiency symptoms
Toxicity: Water retention, high blood pressure, loss of calcium in urine
Deficiency: Muscle cramps, dizziness, fatigue, nausea, vomiting, mental confusion
potassium primary functions
a. Fluid balance
b. Transmission of nerve impulses
c. Muscle contraction
potassium reliable food sources
Most fresh fruits and vegetables: potatoes, bananas, tomato juice, orange juice, melons
potassium toxicity and deficiency symptoms
Toxicity: Muscle weakness, vomiting, irregular heartbeat
Deficiency: Muscle weakness, paralysis, mental confusion, irregular heartbeat
phosphorus primary functions
a. Fluid balance
b. Bone formation
c. Component of ATP, which provides energy for our bodies
phosphorus reliable food sources
Milk/cheese/yogurt, soy milk and tofu, legumes (lentils, black beans), nuts (almonds, peanuts and peanut butter), poultry
phosphorus toxicity and deficiency symptoms
Toxicity: Muscle spasms, convulsions, low blood calcium
Deficiency: Muscle weakness, muscle damage, bone pain, dizziness
chloride primary functions
a. Fluid balance
b. Transmission of nerve impulses
c. Component of stomach heartbeat acid (HCL)
d. Antibacterial
chloride reliable food sources
Table salt
chloride toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Dangerous blood acid- base imbalances, irregular heartbeat
calcium primary functions
a. Primary component of bone
b. Acid-base balance
c. Transmission of nerve impulses
d. Muscle contraction
calcium reliable food sources
Milk/yogurt/cheese (best-absorbed form of calcium), sardines, collard greens and spinach, calcium- fortified juices
calcium toxicity and deficiency symptoms
Toxicity: Mineral imbalances, shock, kidney failure, fatigue, mental confusion
Deficiency: Osteoporosis, convulsions, heart failure
magnesium primary functions
a. Component of bone
b. Muscle contraction
c. Assists more than 300 enzyme systems
magnesium reliable food sources
Greens (spinach, kale, collard greens), whole grains, seeds, nuts, legumes (navy and black beans)
magnesium toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Low blood calcium, muscle spasms or seizures, nausea, weakness, increased risk of chronic diseases such as heart disease, hypertension, osteoporosis, and type 2 diabetes
sulfur primary functions
a. Component of certain B vitamins and amino acids
b. Acid-base balance
c. Detoxification in liver
sulfur reliable food sources
Protein-rich foods
sulfur toxicity and deficiency symptoms
Toxicity: None known
Deficiency: None known
selenium primary functions
a. Required for carbohydrate and fat metabolism
selenium reliable food sources
Nuts, shellfish, meat/ fish/poultry, whole grains
selenium toxicity and deficiency symptoms
Toxicity: Brittle hair and nails, skin rashes, nausea and vomiting, weakness, liver disease
Deficiency: Specific forms of heart disease and arthritis, impaired immune function, muscle pain and wasting, depression, hostility
fluoride primary functions
a. Development and maintenance of healthy teeth and bones
fluoride reliable food sources
Fish, seafood, legumes, whole grains, drinking water (variable)
fluoride toxicity and deficiency symptoms
Toxicity: Fluorosis of teeth and bones
Deficiency: Dental caries, low bone density
iodine primary functions
a. Synthesis of thyroid hormones
b. Temperature regulation
c. Reproduction and growth
iodine reliable food sources
Iodized salt, saltwater seafood
iodine toxicity and deficiency symptoms
Toxicity: Goiter
Deficiency: Goiter, hypothyroidism, cretinism in infant of mother who is iodine deficient
chromium primary functions
a. Glucose transport
b. Metabolism of DNA and RNA
c. Immune function and growth
chromium reliable food sources
Whole grains, brewers yeast
chromium toxicity and deficiency symptoms
Toxicity: None known
Deficiency: Elevated blood glucose and blood lipids, damage to brain and nervous system
manganese primary functions
a. Assists many enzyme systems
b. Synthesis of protein found in bone and cartilage
manganese reliable food sources
Whole grains, nuts, leafy vegetables, tea
manganese toxicity and deficiency symptoms
Toxicity: Impairment of neuromuscular system
Deficiency: Impaired growth and reproductive function, reduced bone density
Impaired glucose and lipid metabolism, skin rash
iron primary functions
a. Component of hemoglobin in blood cells
b. Component of myoglobin in muscle cells
c. Assists many enzyme systems
iron reliable food sources
Meat/fish/poultry (best-absorbed form of iron), fortified cereals, legumes, spinach
iron toxicity and deficiency symptoms
Toxicity: Nausea, vomiting and diarrhea; dizziness, confusion; rapid heartbeat, organ damage, death
Deficiency: Iron-deficiency microcytic (small red blood cells), hypochromic anemia
zinc primary functions
a. Assists more than
100 enzyme systems
b. Immune system function
c. Growth and sexual maturation
d. Gene regulation
zinc reliable food sources
Meat/fish/poultry (best-absorbed form of zinc), fortified cereals, legumes
zinc toxicity and deficiency symptoms
Toxicity: Nausea, vomiting, and diarrhea; headaches, depressed immune function, reduced absorption of copper
Deficiency: Growth retardation, delayed sexual maturation, eye and skin lesions, hair loss, increased incidence of illness and infection
copper primary functions
a. Assists many enzyme systems
b. Iron transport
copper reliable food sources
Shellfish, organ meats, nuts, legumes
copper toxicity and deficiency symptoms
Toxicity: Nausea, vomiting, and diarrhea; liver damage
Deficiency: Anemia, reduced levels of white blood cells, osteoporosis in infants and growing children