Question

Clara is a vegan and she does not drink milk, a food advertised as a best source of calcium. But she is not worried too much since she knows that leafy greens and legumes are excellent sources of this mineral. What percentage of Clara's daily calcium needs is in a cup of cooked collard greens? The food label says it is 27% DV.

Answer 1

Explanation:

%DV label= 27%

1 cup of cooked collared greens= aprx 266.60 mg of Calcium

Assuming Clara is...

• a teen, her required adequate intake (RAI)=  1300 mg/ day
• an adult, her RAI= 1000 mg/day

For teenaged Clara

∵27 % DV= 270mg

% daily Calcium=  $\frac{270}{1300} * 100=$ = 20.8 ≈ 21%

=0.21

21% of her daily calcium needs is in a cup of cooked collard greens.

Calcium is an essential mineral required by the human body, it is involved in cell signalling, muscular function and homeostasis. Along with fats, fiber, vitamin A and C and iron, calcium makes up part of a recommended daily intake target or DV- these are integral to a balanced diet.

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