Food Sources Flashcards
The following are sources of which vitamin?
Beef/goose/veal/turkey LIVER Chicken/lamb LIVER Sweet Potato Canned Pumpkin Squash Carrots Cantaloupe Cooked spinach Cooked Kalet Cod Liver Oil
Vitamin A top food sources are mostly animal origin….beta carotenes are plant.
RDA for men of Vit A is ________ and for women is_______.
3000 IU (900 mcg RaE) and 2310 IU (700mcg RAE)
primer
625 ug for men
500 ug for women
Vit A and carotenoids are absorbed in which part of the intestinal tract? (2 answers)
Duodenum
Jejunum
Ileum
Colon
Duodenum and jejunum
Agonist for vitamin A
Fat and Vitamin E
These are signs of which deficiency?
night blindness Poor dark adaptation Xerophthalma Bitot's spots Hyperkeratosis
vit A
TUL for Vit A
3000 mcg or 10,000 IU
Toxicity of which vitamin has the following s/s?
Nausea, vomiting double/blurred vision increased intracranial pressure headache dizziness skin desquamation Muscle incoordination
Vitamin A
How does vitamin A need change with regard to pregnancy and lactation?
Decreases
Increases
Stays the same
Increases for lactation, but not for pregnancy
Increases for both, but more so for lactation. Pregnancy 750-770 mcg while Lactation is 1200-1300mcg
Vit ___ is involved in what process or functions? (6)
growth, reproduction cell differentiation vision immune function bone health antioxidants
Vit A
These are sources of which vitamin?
Cod Liver Oil Salmon Mackerel Herring Sardines tuna Beef liver Fortified dairy and juices Eggs Shitake mushrooms
Vit D
Vit D is absorbed in which part of small intestine? (2)
Duodenum
Jejunum
Ileum
Colon
Duodenum and Ileum….MAJORITY is absorbed in ileum though
Vit D RDA for adults is _____ up to age 70. From 71 up, it is_______.
600 IU
800 IU for 71 and above
Does Vitamin D have higher requirements during pregnancy and lactation?
No
1 IU of vitamin D = ______ mcg Vit D
1
- 5
- 25
- 025
0.025mcg
TUL for Vit D from 9 yrs and up?
4000IU (100mcg)
Vit D is excreted in the
urine
Sweat
Feces
Feces
Vitamin A is excreted
Urine
Feces
Urine and Feces
Sweat and Urine
Urine and Feces
Sources of vitamin ______ include?
Wheat germ Sunflower oil Safflower oil Canola oil Almonds Peanuts Hazelnuts Cooked spinach Broccoli Fortified cereals Fatty animal products contain it, but are inferior source
Vitamin E
Vit E is primarily absorbed in the
Duodenum
Jejunum
Ileum
Jejunum
Vit E is excreted in the
Urine
Feces
Urine and Feces
Sweat
Urine and Feces
Deficiency of Vit E is rare. Signs of deficiency:
myopathy, weakness, hemolytic anemia, degenerative neuro problems
RDA for Vit E is ____ for adults.
15mg
Does the RDA for Vit E change for pregnancy or lactation? If so, how?
Not for pregnancy, but it increases to 19mg for lactation
1mg of alpha tocopherol = ____ IU from natural sources and _____ IU from synthetic.
- 49 IU natural
2. 22 IU synthetic
TUL for Vit E is
1000mg
Signs of toxicity for which vitamin?
GI disturbances, increased risk for bleeding, muscle weakness, fatigue, double vision
Vitamin E
Food sources of vitamin ______ include:
Kale Swiss Chard Turnips Broccoli Watercress greens Collards Spinach
K1
Sources for K2
Synthesized by intestinal bacteria
Liver
Fermented cheese
K1 is absorbed in
Duodenum
Jejunum
Ileum
Jejunum
K2 is absorbed in
Duodenum
Jejunum
Ileum
Colon
Ileum and colon
What interferes with Vit K absorption?
Vitamins A and E
K1 and K2 are excreted
Primarily in feces, but some in urine
Adults RDA vit k
120mcg for men
90mcg for women
How does pregnancy/lactation affect Vit K needs?
Neither does…no change needed
TUL for Vit K
None, unless it’s the synthetic option which can cause hemolytic anemia and liver damage
Signs of Vit K deficiency?
Bleeding
Which B vitamins are involved in energy releasing?
B1 B2 B3 B5 B6 B7 Folate B12
B1, B2, B3, B5, B6, B7
Which B vitamins are involved in hematopoiesis? (4)
B1 B2 B3 B5 B6 B7 Folate B12
Folate, B12, B6, B5
the formation and development of blood cells. In the embryo and fetus it takes place in a variety of sites including the liver, spleen, thymus, lymph nodes, and bone marrow; from birth throughout the rest of life it is mainly in the bone marrow with a small amount occurring in lymph nodes.
Sources of
Kiwi Red Pepper Strawberries Papaya Oranges Orange Juice Cantaloupe Cauliflower Broccoli Brussel Sprouts
Vitamin C
Vitamin C absorbs
Stomach
Throughout small intestine
Only in duodenum
Colon
Throughout the small intestine
Vitamin C is excreted in the
urine
Vitamin C deficiency is the 4 H’s involved with scurvy. What are they?
Hemorrhagic signs
Hyperkeratosis of hair follicles
Hypochondriasis (psychological manifestations)
Hematologic abnormalities (associated with impaired collagen synth and iron absorption)
TUL of Vit C is
2 grams
2000 mg
Toxicity of Vit C has 1 major impact…which is?
Abd pain and/or osmotic diarrhea
osmotic diarrhea occurs when too many solutes — the components of the food you eat — stay in your intestine and water can’t be absorbed properly. This excess water causes your bowel movements to be loose or more liquid than solid
Sources of which B-vitamin?
Pork Black beans Beef and beef liver Trout Whole grains Salmon
Thiamin
Thiamin is primarily absorbed in the (2)
Duodenum
Jejunum
Ileum
Colon
Jejunum and Ileum
Thiamin is excreted in the
urine
RDA for Thiamin is ______ for men and _______ for women.
Pregnancy and lactation?
- 5 mg
- 1
- 2
- 3
1.2mg and 1.1mg
preg/lac: 1.4
according to primer
- 0 men
- 9 women
- 2 preg and lac
Does thiamin need increase during pregnancy and lactation?
Yes , Increases to 1.4mg daily for both (some say 1.5 for lactation)
TUL for Thiamin
None
Sources for which B-Vitamin?
Liver Milk and Milk products Eggs Almonds Meat Legumes Spinach
B2
Riboflavin is absorbed in the _____ small intestine and excreted primarily in the _____
Proximal
Urine
Riboflavin RDA for men and women is
- 5 mg
- 1
- 2
- 3
1.3 mg for men and 1.1 mg for women
Does Riboflavin need during pregnancy and lactation?
YES….Increases to 1.4mg and 1.6mg
Signs of Deficiency of which vitamin?
cheilosis, glossitis, hyperemia,edema of oral mucous membranes, stomatitis, photophobia, severe deficiency may diminish synthesis of coenzyme form of Vit B6 and synthesis of niacin from tryptophan, DNA damage
B2
TUL for B2?
None
Sources for which B-vitamin?
Beef liver Veal Turkey Chicken Tuna Salmon Pork Enriched foods/cereals Spaghetti Lentils
B3
Niacin is absorbed where?
Stomach and small intestine
Niacin is excreted in the
urine
RDAs for men and women of niacin?
10mg
12mg
14mg
16mg
men = 16mg women = 14mg
Does Niacin males, females, preg, lactation
16mg
14mg
17mg
18mg
YES
pregnancy = 18mg
Lactation = 17mg
adult males is 16 milligrams (mg) a day and for adult women who aren’t pregnant, 14 mg a day
TUL for Niacin
35mg
Toxicity signs for which B vitamin?
over 1 gram a day, can see flushing, GI issues, liver injury, hyperuricemia, and hyperglycemia
b3
Sources for which B-vitamin?
Beef liver Meats Egg yolk Fish Sunflower Seed Yogurt Mushrooms Broccoli Avocados
b5
Primary site of absorption for B5
Jejunum
B5 is excreted predominantly in
Urine
Adequate Intake amount for B5, adults
3mg
3mcg
5mg
5mcg
men = 5mg women = 5mg
Does AI for B5 increase during pregnancy and lactation? 6mg 6mcg 7mg 7mcg
YES
Preg = 6mg
Lactation = 7mg
Sx of B5 deficiency?
RARE, but “burning feet syndrome”, tingling hands/feet, vomiting, fatigue, irritability
TUL for B5 and toxicity symptoms?
None, but with HIGH doses, potential for GI distress
Sources for which b-vitamin?
Liver Egg Salmon Avocado Pork Yeast Sunflower Seeds Sweet potato
Biotin
Biotin site of absorption is
Duodenum Jejunum proximal small intestine the proximal and midtransverse colon Ileum Colon midtransverse colon
proximal small intestine
The most proximal portion of the small intestine is the duodenum
Biotin produced by gut bacteria is absorbed in
Duodenum Jejunum proximal small intestine the proximal and midtransverse colon Ileum Colon midtransverse colon
the proximal and midtransverse colon
Dietary biotin is excreted primarily in the
urine
AI for Biotin is
30 mg
30 mcg
35 mg
35 mcg
30 mcg for adults
Does Biotin AI during pregnancy and lactation increase?
No change for pregnancy (30mcg), but increase to 35 mcg for lactation
Sx of deficiency of which B-vitamin?
anorexia, nausea, depression, loss of muscle control, skin irritations
biotin
TUL of Biotin
none
Sources of what vitamin
Liver pinto beans black beans lentils spinach brussel sprouts broccoli asparagus turnip and collard greens
Folate
Folate is primarily absorbed in the _______ and excreted in the __________.
duodenum, urine and feces
Which mineral is needed for folate to be digested/absorbed due to its effect on brush border carboxypeptidase (cleaves the polyglutamate form into monoglutamate)?
Mg
Zinc
Calcium
Mn
Zinc
Folate requirements are
400mcg daily for adults
Pregnancy/lactation folate needs are
Pregnancy = 600mcg Lactation = 500mcg
TUL for folate is
1000 mcg (1 mg) from supplements or enriched foods
Toxicity sx for folate
Because it can mask B12 deficiency at high doses, neuro sx are signs of this. Also, insomnia, malaise, irritability, GI distress
Sources of which B-vitamin?
Clams Beef liver Oysters Mussels Mackerel Crab Beef Salmon
B12
B12 is absorbed in the
Duodenum Jejunum proximal small intestine the proximal and midtransverse colon Ileum Colon midtransverse colon
ileum
B12 is excreted primarily in the
bile/feces
RDA for b12 is
- 4 mcg
2. 0ug according to primer
Pregnancy and lactation RDA for B12…is there any increase in need?
- 2 mcg
- 6
- 8
- 7
YES
Pregnancy = 2.6 mcg
Lactation = 2.89 mcg
TUL for B12
none
sources of which b-vitamin?
Chickpeas Beef Liver yellowfin tuna wild salmon russet potato light meat turkey avocado light meat chicken spinach
b6
B6 absorption site
Duodenum Jejunum proximal small intestine the proximal and midtransverse colon Ileum Colon midtransverse colon
jejunum
Excretion of B6 occurs
urine
RDA for B6
Men 19-50 y/o=
Men 51 + =
Women 19-50 y/o =
Women 51+ =
- 3 mg
- 9mg
- 5mg
- 7mg
Men 19-50 y/o= 1.3 mg
Men 51 + = 1.7mg
Women 19-50 y/o = 1.3mg
Women 51+ = 1.5mg
B6 for pregnancy and lactation … Does the need increase?
preg
- 6 mg
- 0
- 3
- 9
lactation
- 6 mg
- 0
- 3
- 9
YES
preg = 1.9mg
lactation = 2.0mg
TUL of b6
1000mg/day
100mg/day
1000mcg/day
100mcg/day
100mg/day
Signs of which b-vitamin toxicity?
unsteady gait, tingling in the extremities, impaired tendon reflexes, peripheral neuropathy
B6
Sources of which mineral?
Milk Yogurt Cheddar cheese Salmon Sardines Clams Oysters White beans Bok Choi Figs
Calcium
Absorption of calcium occurs in the (2)
Duodenum Jejunum proximal jejunum Ileum Colon
duodenum and proximal jejunum
Calcium is excreted in which ways?
Urine, Feces, sweating
RDA calcium
adults 19-70
adults 71+
Men 19-70 = 1000mg
Men 71+ = 1200mg
Women 19-50 = 1000mg
Women 51+ = 1200 mg
Does Calcium RDA for pregnancy and lactation increase?
NO (3rd trimester sees a 300mg need increase, but not necessary from supplementation)
pregnancy and lactation = 1000mg
TUL for Calcium
19-50 y/o =
51 + =
19-50 y/o = 2500mg/d
51 + = 2000mg/d
Sources of which mineral?
Chinook salmon Yogurt Skim milk Halibut Turkey Chicken Beef Lentils Almonds
Phosphorous (protein rich foods are best options)
Phosphorous is primarily absorbed in the (2)
Duodenum Jejunum proximal jejunum Ileum Colon
duodenum and jejunum
Excretion of phosphorous
primarily urine, some in feces
RDA phosphorous, teens, adults
1250mg/day
1250mcg/day
700mg/day
700mcg/day
Teens need 1250mg/day (also pregnant teens)
Adults need 700mg/day
No adjustments for pregnancy/lactation
Sx of _____ deficiency
can be fatal, but can cause loss of appetite, anemia, muscle weakness, poor bone development
-neuromuscular, skeletal, hematologic and cardiac manifestations, rickets, osteomalacia
Sx of Phosphorous deficiency (although very rare)
TUL for phosphorous
19-70 y/o =
71 + =
4 grams
3
2
5
19-70 y/o = 4 grams
71 + = 3 grams
Pregnant women = 3.5 g
Lactating = 4 g
_____ toxicity results in the mineralization of soft tissues, especially kidneys
Phosphorous
Which mineral is found in these Sources?
Brazil nuts Oat bran cereal Brown rice Cashews Mackerel Spinach Almonds Swiss Chard
Magnesium
Mg is absorbed mainly in the (2)
Duodenum Jejunum proximal jejunum Ileum Colon
jejunum and ileum
Mg is secreted
urine
Mg RDA
Male 19-30 =
Women 19-30 =
Male 31+ =
Women 31 + =
420mcg 400mcg 310mcg 320mcg 420mg 400mg 310mg 320mg
Male 19-30 = 400mg
Women 19-30 = 310mg
Male 31+ = 420mg
Women 31 + = 320mg
Primer
men 330-350
women 255-265
Pregnancy and lactation Mg RDA
19-30
31+
360 mg
350 mg
320 mg
310 mg
Pregnancy INCREASES
19-30 y/o = 350mg
31+ = 360mg
Lactation = same as non-pregnant…19-30 = 310mg and 31+ = 320mg
These are signs of which deficiency (mineral)?
severe deficiency causes abnormal nerve and muscle function, especially in cardiac tissue
-neuromuscular-hyperexcitability, muscle weakness, tetany
can cause hypokalemia
-associated with hypertension, cardiovascular disease and diabetes mellitus
Magnesium
TUL for Mg
200mg
250
300
350
from non-food sources is 350mg
Sx of which mineral toxicity?
nausea, flushing, double vision, slurred speech, muscle weakness…if given IV, paralysis and heart failure
Magnesium
Sources of which mineral?
Dried apricots baked potato w/skin Beet greens prunes raisins Lima beans Acorn squash Banana Avocado
Potassium
Potassium excreted by
kidneys in urine
AIs for Potassium
male/female
preg
lactation
3500mg
4500mcg
4700mg
5100mg
Males and Females (including pregnancy) = 4700mg/day
Lactation = 5100mg/day
TUL for Potassium
None….BUT potassium supplements should be used only under medical supervision…too high dose can cause weakness or cardiac arrest
Sources of which mineral?
Pacific Oysters Beef liver Clams Mussels Chicken liver Tofu Spinach Prune juice
Iron
Sites of iron absorption
Heme iron and non-heme primarily absorb in the duodenum
EXcretion of iron
primarily via GI tract, some through kidneys
Sx of Iron deficiency
anemia, fatigue, impaired work performance, decreased resistance to infection
RDAs for Iron Adult male = 5mg 7mg 8mg 9mg
Females 14-18 =
9mg
15mg
18mg
27mg
Females 19-50 = 9mg 15mg 18mg 27mg
Pregnancy = 9mg 15mg 18mg 27mg
Lactation= 9mg 15mg 18mg 27mg
Adult male = 8mg Females 14-18 = 15mg Females 19-50 = 18mg Pregnancy = 27mg Lactation=9mg (unless 18 or under, than 10mg)
TUL for iron
40mg 35mg 18mg 27mg 45mg
45mg
Acute iron toxicity sx
GI and other tissue damage
Chronic iron toxicity is usually associated with which genetic disease?
hemochromatosis
Sources of which mineral?
Oysters Beef chuck roast ground beef Crab Beef liver Fortified oat cereal Veal Dry roasted soybeans Pine nuts Cashews
Zinc
Absorption of Zinc occurs primarily in
duodenum and upper jejunum
upper jejunum and ileum
duodenum and ileum
the duodenum and upper jejunum
Excretion of zinc mainly through
feces
RDA of Zn
Adult men =
Adult women =
Pregnancy =
LActation =
Adult men = 11mg Adult women = 8mg INCREASED NEED for: Pregnancy = 11mg LActation = 12mg
TUL for Zn
40mg 35mg 18mg 27mg 45mg
40mg
Sx of deficiency of which mineral?
poor wound healing subnormal growth anorexia abnormal taste/smell impaired reproductive system development
Zinc
Sx of which mineral toxicity?
metallic taste headache nausea vomiting epigastric pain bloody diarrhea
zinc
Sources of which mineral?
Beef liver oysters (Eastern) Lobster Crab (king) Crab (blue) Cashews Sunflower seeds Hazelnuts Lentils whole grains Nuts
Copper
Copper absorption site
Duodenum Jejunum proximal jejunum Ileum stomach Colon
Primarily duodenum
Copper excretion occurs almost entirely via
feces
Signs of deficiency of which mineral?
anemia
neutropenia
bone and blood vessel abnormalities
impaired immune function
Copper
RDA for Copper
90mg
90mcg
900mg
900mcg
Adult men and women = 900 mcg/day
INCREASED NEED for:
Pregnancy = 1000 mcg/day
Lactation = 1300 mcg/d
TUL for Copper 10mg/day 10mcg 100mg 100mcg
10mg/day (10,000 mcg)
Signs of____ toxicity
Acute ingestion = GI discomfort, diarrhea, weakness, lethargy, anorexia.
Chronic = liver damage/jaundice, hematuria, kidney damage
Copper
Sources of which mineral?
brazil nuts yellowfin tuna pacific oysters clam halibut shrimp salmon long grain brown rice sunflower seeds
Selenium
Selenium is absorbed
throughout small intestine, all sections
Selenium is excreted via:
half urine, half feces
RDA for Selenium adults
50 mcg/d
55 mcg/d
50 mg/d
55 mg/d
Men and women = 55 mcg/d
INCREASED NEED for:
Pregnancy = 60 Lactation = 70
Sx of which mineral deficiency?
myalgia
cardiomyopathy
abnormal sulfur metabolism
poor growth
Selenium
Toxicity sx for which mineral:
nausea/vomiting fatigue diarrhea hair/nail brittleness paresthesia inhibition of protein synthesis
Selenium
Sources of which mineral?
Broccoli Brewer's yeast Beef liver Raw mushrooms Grape juice english muffin potato
Chromium
Chromium is absorbed primarily in the
jejunum
Almost entirely, chromium is excreted in the
urine
AI for Chromium :
45 mcg 40 mcg 35 mcg 30 mcg 25 mcg 20mcg
Men 19-50 =
Women 19-50 =
Men 51+ =
Women 51+ =
Pregnancy =
Lactation =
Men 19-50 = 35 mcg
Women 19-50 = 25 mcg
Men 51+ =30 mcg
Women 51+ = 20mcg
Pregnancy = 30 mcg Lactation = 45 mcg
SX of chromium deficiency:
glucose intolerance
glucose and lipid metabolism abnormalities
TUL for Chromium?
None….no adverse effects up to 1000mcg
Sources of which mineral?
seaweed Cod Cow's milk potato with peel turkey breast shrimp fish sticks
iodine
Iodide usually absorbed in the
Duodenum Jejunum proximal jejunum Ileum stomach Colon
Stomach (iodine is converted to iodide)
Iodide excretion mainly through the
urine
RDA for iodine
15mg
15mcg
150mcg
150mg
men and women = 150mcg
INCREASED NEED for:
Pregnancy = 220
Lactation = 290
Sx of iodine deficiency
enlarged thyroid (goiter)
TUL of iodine
- 0mg
- 3
- 1
- 7
1.1mg
Sx of _______ toxicity
nausea/vomiting
diarrhea
fever
thyroid dysfunction/inflammation
Iodine
Sources of which mineral?
blue mussels hazelnuts brown rice pecans oysters clams chickpeas spinach pineapple
Manganese
Manganese absorption occurs
throughout the small intestine
Manganese is almost entirely excreted through the
bile and feces
AIs for Manganese
Men
2.3 mg
23 mcg
230 mcg
Women
1.8 mg
18 mcg
180 mcg
Is there an increased need for pregnancy? If so, what is it?
Men = 2.3 mg Women = 1.8 mg
INCREASED NEED for:
Pregnancy = 2.0 mg
Lactation = 2.6mg
Sx of _____ min deficiency
impaired growth and skeletal abnormalities
CNS dysfunction
Manganese
TUL of Mn
10mg
15
11
8
11mg
Sx of Toxicity of which mineral?
Liver damage/failure
Neurological abnormalities
Chronic = insomnia, headache, forgetfulness, anxiety, compulsive bx, reduced speed response, rapid hand movements, gait disturbance
Manganese
Sources of which mineral?
black eyed peas beef liver lima beans yogurt milk potato with skin banana white rice
Mn
Mo
Mg
K
Molybdenum
Absorption of Mo occurs mostly
in proximal small intestine
Mo is excreted by
kidneys
RDAs for Mo 4500 mcg 450mg 45mg 45 mcg
adults = 45 mcg
INCREASED NEED for:
Pregnancy and lactation = 50
Sx of _____ mineral deficiency
hypermethionemia, increased urinary xanthine and sulfite excretion, and decreased urinary sulfate
Molybdenum
TUL for Mo
2000mcg
Sx of Mo toxicity
gout
Does Vitamin C requirement increase during pregnancy?
Yes to 85mg during preg, and 120 mg during lactation
Which vitamins/minerals do NOT require an increase during pregnancy? (8)
Vit D Vit E Vit K Biotin Potassium Calcium Flouride Phosphorous
Which vitamins and minerals do NOT require an increase during Lactation? (5)
Vit D Vit K Calcium Phosphorous Magnesium
Seafood, meat, grains, grain products are sources of?
Arsenic
Boron
Vanadium
Nickel
Arsenic
Fruits, vegetables, legumes, nuts are sources of
Arsenic
Boron
Vanadium
Nickel
Boron
Nuts, legumes, grains, cocoa products are sources of?
Vanadium
Silicon
Nickel
Nickel
Beer, refined grains, root vegetables are sources of
Vanadium
Silicon
Arsenic
Silicon
Which ultratrace mineral is useful for bone development, cell membrane stability, immune function, brain function?
Fluoride
Boron
Arsenic
Vanadium
Boron
vitamin with TUL (8)
Niacin (B3) = 35mg Pyridoxine (B6) = 100mg Folate = 1000 mcg (1mg) Choline = 3500mg vitamin C = 2000 mg vitamin A = 3000 mcg Vitamin D = 4000IU, 100mcg Vitamin E = 1000mg
No change in pregnancy (7)
Vit D Vit E Vit K Biotin Potassium (K) Ca Phos (P)
Adult soluble fiber intake?
Don’t go higher than?
25-35g
50g