Transcript Iron - UMass Nutrition

Iron
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Iron
Iron is a:
• Vitamin
• Major mineral
• Trace mineral
Iron
Iron is a:
• Vitamin Incorrect. Iron is one of the
fourteen essential trace minerals.
Minerals are inorganic compounds
needed for growth and for regulation of
body processes. Trace minerals are
present in the body in very small
quantities. Vitamins are organic
compounds.
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Iron
Iron is a:
• Major mineral Incorrect. Iron is one of
the fourteen essential trace minerals.
Minerals are inorganic compounds
needed for growth and for regulation of
body processes. Trace minerals are
present in the body in very small
quantities. Vitamins are organic
compounds.
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Iron
Iron is a:
• Trace mineral Correct! Iron is one of
the fourteen essential trace minerals.
Minerals are inorganic compounds
needed for growth and for regulation of
body processes. Trace minerals are
present in the body in very small
quantities. Vitamins are organic
compounds.
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Iron
Iron is necessary for proper immune
function, brain and bone growth as
well as for transporting oxygen to
both muscles and the cells of the
body.
• True
• False
Iron
Iron is necessary for proper immune
function, brain and bone growth as
well as for transporting oxygen to
both muscles and the cells of the
body.
• True Correct!
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Iron
Iron is necessary for proper immune
function, brain and bone growth as
well as for transporting oxygen to
both muscles and the cells of the
body.
• False Incorrect. These are all functions
of iron.
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Iron
The two types of iron are:
• Brain and bone iron
• Anemic and non-anemic iron
• Heme and non-heme iron
Iron
The two types of iron are:
• Brain and bone iron Incorrect. Heme and
non-heme are the two types of iron found
in food.
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Iron
The two types of iron are:
• Anemic and non-anemic iron Incorrect.
Heme and non-heme are the two types of
iron found in food.
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Iron
The two types of iron are:
• Heme and non-heme iron Correct!
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Iron
Sixty percent of the iron in food is this
type of iron.
• Heme iron
• Non-heme iron
Iron
Sixty percent of the iron in food is this
type of iron.
• Heme iron Incorrect. 60% of iron is found
in food is non-heme iron.
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Iron
Sixty percent of the iron is this type of
iron.
• Non-heme iron Correct!
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Iron
This type of iron is more effectively
absorbed by the body.
• Heme iron
• Non-heme iron
Iron
This type of iron is more effectively
absorbed by the body.
• Heme iron Correct!
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Iron
This type of iron is more effectively
absorbed by the body.
• Non-heme iron Incorrect. Heme iron is
more effectively absorbed.
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Iron
Heme iron is found in:
• Milk and butter
• Meat, poultry and fish
• Fruits, vegetables, peas, beans, nuts
and grains
Iron
Heme iron is found in:
• Milk and butter Incorrect. Heme iron is
found in meat, fish and poultry.
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Iron
Heme iron is found in:
• Meat, poultry and fish Correct!
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Iron
Heme iron is found in:
• Fruits, vegetables, peas, beans, nuts
and grains Incorrect. Heme iron is found
in meat, fish and poultry.
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Iron
Our bodies assimilate this percentage of
the heme iron.
• 8-18%
• 25-35%
• 40-50%
Iron
Our bodies assimilate this percentage of
the heme iron.
• 8-18% Incorrect. The correct answer is 2535%.
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Iron
Our bodies assimilate this percentage of
the heme iron.
• 25-35% Correct!
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Iron
Our bodies assimilate this percentage of
the heme iron.
• 40-50% Incorrect. The correct answer is
25-35%.
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Iron
Non-heme iron is found in:
• Milk and butter
• Meat, poultry and fish
• Fruits, vegetables, peas, beans, nuts
and grains
Iron
Non-heme iron is found in:
• Milk and butter Incorrect. Non-heme iron
sources include fruits, vegetables,
legumes (dried peas and beans), nuts and
grain products. Dairy products contain
neither heme nor non-heme iron.
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Iron
Non-heme iron is found in:
• Meat, poultry and fish Incorrect. Nonheme iron sources include fruits,
vegetables, legumes (dried peas and
beans), nuts and grain products. Dairy
products contain neither heme nor nonheme iron.
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Iron
Non-heme iron is found in:
• Fruits, vegetables, peas, beans,
nuts and grains Correct! Dairy products
contain neither heme nor non-heme iron.
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Iron
If a fortified or enriched food, such as
cereal, contains 100% of the daily value
of iron, then a person meets daily iron
needs by eating one serving of this
food.
• True
• False
Iron
If a fortified or enriched food, such as cereal,
contains 100% of the daily value of iron, then
a person meets daily iron needs by eating
one serving of this food.
• True Incorrect. Only 2-20% of non-heme iron is
absorbed from enriched or fortified foods.
Therefore, one does not meet one’s iron needs
by consuming a single serving of a fortified or
enriched cereal product containing 100% of the
daily value of iron.
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Iron
If a fortified or enriched food, such as cereal,
contains 100% of the daily value of iron, then
a person meets daily iron needs by eating
one serving of this food.
• False Correct! Only 2-20% of non-heme iron is
absorbed from enriched for fortified foods.
Therefore, one does not meet one’s iron needs
by consuming a single serving of a fortified or
enriched cereal product containing 100% of the
daily value of iron.
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Iron
Early symptoms of iron deficiency
include:
• Excitability and restlessness
• Tiredness and irritability
• Euphoria and giddiness
Iron
Early symptoms of iron deficiency
include:
• Excitability and restlessness Incorrect.
Iron is necessary to assist in biochemical
reactions of the body’s energy pathways.
Iron deficiency results in tiredness,
irritability, headaches and dizziness.
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Iron
Early symptoms of iron deficiency
include:
• Tiredness and irritability Correct! Iron is
necessary to assist in biochemical
reactions of the body’s energy pathways.
Other early symptoms include headaches
and dizziness.
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Iron
Early symptoms of iron deficiency
include:
• Euphoria and giddiness Incorrect. Iron is
necessary to assist in biochemical
reactions of the body’s energy pathways.
Iron deficiency results in tiredness,
irritability, headaches and dizziness.
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Iron
Physical symptoms of an iron
deficiency include fatigue, reduced
capacity for work, difficulty breathing
and reduced resistance to infections.
• True
• False
Iron
Physical symptoms of an iron
deficiency include fatigue, reduced
capacity for work, difficulty breathing
and reduced resistance to infections.
• True Correct!
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Iron
Physical symptoms of an iron
deficiency include fatigue, reduced
capacity for work, difficulty breathing
and reduced resistance to infections.
• False Incorrect. These are all physical
symptoms of iron deficiency.
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Iron
This vitamin helps enhance the
absorption of iron.
• Vitamin A
• Vitamin B1
• Vitamin C
Iron
This vitamin helps enhance the
absorption of iron.
• Vitamin A Incorrect. Eating iron-rich foods
along with Vitamin C-rich foods (citrus fruits
and juices, cantaloupe, tomatoes,
cauliflower, potatoes or cabbage) helps to
increase the amount of iron that the body
absorbs.
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Iron
This vitamin helps enhance the
absorption of iron.
• Vitamin B1 Incorrect. Eating iron-rich foods
along with Vitamin C-rich foods (citrus fruits
and juices, cantaloupe, tomatoes,
cauliflower, potatoes or cabbage) helps to
increase the amount of iron that the body
absorbs.
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Iron
This vitamin helps enhance the
absorption of iron.
• Vitamin C Correct! Eating iron-rich foods
along with Vitamin C-rich foods (citrus fruit
and juice, cantaloupe, tomatoes,
cauliflower, potatoes or cabbage) helps to
increase the amount of iron that the body
absorbs.
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Iron
Consuming heme iron foods along with
non-heme iron foods does this to iron
absorption.
• Enhance
• Inhibit
Iron
Consuming heme iron foods along with
non-heme iron foods does this to iron
absorption.
• Enhance Correct!
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Iron
Consuming heme iron foods along with
non-heme iron foods does this to iron
absorption.
• Inhibit Incorrect. Consuming heme iron
along with non-heme iron actually
enhances the absorption of iron in the
body.
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Iron
Fiber and zinc inhibit iron absorption.
• True
• False
Iron
Fiber and zinc inhibit iron absorption.
• True Correct! Avoid eating lots of whole
grains (fiber sources) or dark leafy greens
and eggs (zinc sources) when aiming to
eat an iron-rich meal.
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Iron
Fiber and zinc inhibit iron absorption.
• False Incorrect. Avoid eating lots of whole
grains (fiber sources) or dark leafy greens
and eggs (zinc sources) when aiming to
eat an iron-rich meal.
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Iron
Dairy products do this to iron
absorption.
• Enhance
• Inhibit
Iron
Dairy products do this to iron
absorption.
• Enhance Incorrect. When dairy products
are consumed with iron sources, less iron
is absorbed in the body.
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Iron
Dairy products do this to iron
absorption.
• Inhibit Correct! When dairy products are
consumed with iron sources, less iron is
absorbed in the body.
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Iron
This is the recommended daily intake
of iron for women.
• 18 milligrams (mg) per day
• 18 micrograms (µg) per day
• 10 milligrams (mg) per day
Iron
This is the recommended daily intake
of iron for women.
• 18 milligrams (mg) per day Correct!
Women should aim to consume 18 mg
of iron daily due to monthly
menstruation. This value assumes that
10% of dietary iron is absorbed.
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Iron
This is the recommended daily intake
of iron for women.
• 18 micrograms (µg) per day Incorrect.
Women need 1000 times this amount
(18 mg) every day due to monthly
menstruation. This value assumes that
10% of dietary iron is absorbed.
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Iron
This is the recommended daily intake
of iron for women.
• 10 milligrams (mg) per day Incorrect.
Women need 18 mg of iron per day due
to monthly menstruation. This value
assumes that 10% of dietary iron is
absorbed.
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Iron
This is the recommended daily intake
of iron for men.
• 8 micrograms (µg) per day
• 8 milligrams (mg) per day
• 20 milligrams (mg) per day
Iron
This is the recommended daily intake
of iron for men.
• 8 micrograms (µg) per day. Incorrect.
Men should aim to consume 8 mg of
iron daily. This value assumes that 10%
of dietary iron is absorbed.
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Iron
This is the recommended daily intake
of iron for men.
• 8 milligrams (mg) per day. Correct!
Men should aim to consume 8 mg of
iron daily. This value assumes that 10%
of dietary iron is absorbed.
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Iron
This is the recommended daily intake
of iron for men.
• 20 milligrams (mg) per day. Incorrect.
Men should aim to consume 8 mg of
iron daily. This value assumes that 10%
of dietary iron is absorbed.
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Iron
Female athletes need to be extra
careful of excess iron loss.
• True
• False
Iron
Female athletes need to be extra
careful of excess iron loss.
• True Correct! Female athletes should
eat a well balanced diet and get their
iron checked periodically.
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Iron
Female athletes need to be extra
careful of excess iron loss.
• False Incorrect. Female athletes should
eat a well balanced diet and get their
iron checked periodically.
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Iron
Which legume (1/2 cup) contains the
most iron?
• Kidney Beans
• Peanuts
• Lentils
Iron
Which legume contains the most iron?
• Kidney Beans Incorrect.
½ cup of cooked lentils = 3.3 mg iron
½ cup kidney beans = 2.6 mg iron
½ cup of peanuts = 1.6 mg iron
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Iron
Which legume contains the most iron?
• Peanuts Incorrect.
½ cup of cooked lentils = 3.3 mg iron
½ cup kidney beans = 2.6 mg iron
½ cup of peanuts = 1.6 mg iron
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Iron
Which legume contains the most iron?
• Lentils Correct!
½ cup of cooked lentils = 3.3 mg iron
½ cup kidney beans = 2.6 mg iron
½ cup of peanuts = 1.6 mg iron
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Iron
Which of the following fruits contains
the most iron?
• ½ cup of strawberries
• Three dried apricots
• One medium banana
Iron
Which of the following fruits contains
the most iron?
• ½ cup of strawberries Incorrect.
3 dried apricots = 1.5 mg iron
1 medium banana = 0.4 mg of iron
½ cup fresh strawberries = 0.3 mg iron
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Iron
Which of the following fruits contains
the most iron?
• Three dried apricots Correct!
3 dried apricots = 1.5 mg iron
1 medium banana = 0.4 mg of iron
½ cup fresh strawberries = 0.3 mg iron
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Iron
Which of the following fruits contains
the most iron?
• One medium banana Incorrect.
3 dried apricots = 1.5 mg iron
1 medium banana = 0.4 mg of iron
½ cup fresh strawberries = 0.3 mg iron
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Iron
Can iron toxicity be dangerous?
• Yes
• No
Iron
Can iron toxicity be dangerous?
• Yes Correct! Iron toxicity is rare, but can
be dangerous and even fatal if taking
excess amounts through supplements.
If you are concerned that you might be
iron deficient, you can make an
appointment with the doctor or dietitian
at University Health Services.
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Iron
Can iron toxicity be dangerous?
• No Incorrect. Iron toxicity is rare, but
can be dangerous and even fatal if
taking excess amounts through
supplements. If you are concerned that
you might be iron deficient, you can
make an appointment with the doctor or
dietitian at University Health Services.
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Iron
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