Calcium and Iron NRV Activity PDF

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BASED OFF NRV Tr=trace (0mg) Ts = toasted 1 teaspoon = 1 tsp = 5mL 1 tablespoon = 1 tbsp = 20mL Week 2 Activity: Calcium and Iron intake You have been provided with a sample diet to analyse. Use your handouts from the Nutrient Reference Value booklet to find each food and then scan across the page under Calcium and Iron to calculate how much of each nutrient is in the amount eaten. Note that all amounts listed are per 100g in the handout so you may have to do some maths. Food

Amount

Calcium (mg)

Iron (mg)

Breakfast: toasted (ts) crumpets, 50g each

X2

92

1.1

Dairy blend regular fat spread

1tsp

(19/100)*5 = 0.95mg

0

Scrambled eggs

120g

88.8

(1.5*120)/100 1.8

Smoked salmon

100g

15

0.5

Cream of chicken soup, canned, prepared and ready to eat

300mL

(40*300)/100 = 120

(0.1*300)/100 0.3

White bread roll (mini baguette size)

75g

45

0.975

Orange and mango juice drink

250mL

20

0

Lasagna

300g piece

162

3mg

Peeled and boiled baby carrots

100g

40

0.5

Vanilla slice

70g

49

0.42

=

Lunch:

Dinner

Snacks

=

Food

Amount

Spring roll, deep fried

100g

Navel orange, raw, peeled

250g edible portion TOTAL

Calcium (mg)

721.25

Iron (mg)

11.595

1. How does the intake of calcium compare with the RDI for: a. A woman aged between 19 and 50? (RDI is 18mg/day for iron and 1000mg/day for calcium). Comment. This is under consumption of both of the micro nutrients for the day. Low calcium intake could lead to bone structure could be weak, osteoporosis, neurological disorder (tetany). It’s worth to have more calcium, which would increase growth, enzyme creation, muscle fibers, blood clotting cascade. Iron  under consumption as well. This can lead to iron deficiency, which can be fatigue, lethargy, declined cognitive function, weakened immune system. Female would require more iron because of menstruation. She loses blood cells which are made of iron. She would require more calcium because estrogen levels change after menopause, making her more susceptible to osteoporosis. Estrogen protects the bones! b. A male aged 19 or over? (RDI is 8mg/day for iron and 1000mg/day for calcium). Comment. Male is overconsuming iron, but that’s really okay. Just because you’re slightly lower or higher doesn’t mean you are at risk for something. c. A pregnant woman? (RDI is 27mg/day for iron and 1000-1300mg/day for calcium). Comment. Under consumption of both micronutrients. You need more nutrients in your body in order for the development of the fetus. An under consumption of 2. Go through the provided NRV pages and find 7 foods/drinks that are high in calcium and iron that would be a good addition to the diet. Calcium: Dairy products, Orange juice, sunlight Iron: meat, dried herbs...