Total Dietary Intake of Aluminum

Regarding measurements of the aluminum content of individual foods, the measurement of total daily diets is complicated by problems of analysis and sample contamination. However, relatively reliable data are available for some countries. In a Finnish study, daily intake of aluminum from food was calculated to be 6.7 mg. Studies performed by the US Food and Drug Administration suggest average daily intake values of between 9 and 14 mg

Table 2 Concentrations of natural aluminum in plant foods

Food

Table 2 Concentrations of natural aluminum in plant foods

Food

Cereals

Barley

5.0-7.0

Maize (corn)

0.4-3.1

Oats

5.1

Wheat

4.0-16

Rye

4.8

Whole wheat bread

5.4

Cheerios

4.7

Corn Flakes

<2

Macaroni

<2

Rolled oats

<2-5.0

Rice Krispies

<2

Spaghetti

<2

Vegetables

Asparagus

1.7-9.0

Green beans

8.0

Cabbage, inner leaf

5.7

Carrots

3.8

Cauliflower head

4.0

Leek

15

Onions

5.0-10

Potatoes

<1-20

Spinach

6.9

Tomatoes

0.2-1.1

Fruit

Apples

0.2-0.9

Bananas

<0.4

Grapes

<0.5

Honeydew melon

0.2

Oranges

<0.4

Plums

<0.3-0.5

Rhubarb

0.8-4.8

Pineapples

<0.3

Herbs and spices

Allspice

51-101

Basil

167-450

Cinnamon

48-115

Marjoram

>500-1000

Mustard

5-10

Nutmeg

5-11

Paprika

49-700

Black pepper

48-237

Sesame seed

5-<10

Thyme

>500-<1000

Nuts

Peanuts

<2

Walnuts

<2

Oils

Olive

0.1-0.4

Sugars

White sugar

<2

Brown sugar

<2

Cuban raw

5.3

Molasses

110

(Table 4). In general, it is likely that daily intakes of aluminum in North America are higher than in Europe due to a higher utilization of SALP and Kasel in the preparation of processed foods.

Table 3 Concentration of natural aluminum in animal foods

Concentration fagg 1)

Table 3 Concentration of natural aluminum in animal foods

Concentration fagg 1)

Milk

0.1-0.7

Cottage cheese

<2

Swiss cheese

19

Beef

<1

Steak

2.3-8.4

Bovine kidney

0.4-1.0

Bovine liver

<2

Lamb

<1

Pork

<1

Bacon

<2

Veal

<1

Chicken

<1

Eggs

0.2-1.4

Turkey

<1

Carp

0.7-1.0

Haddock

<1

Salmon (canned)

8.2

Sole

<1

Table 4 Sources of dietary aluminum intake

Food component

Al content (mg/standard

serving)

US male and female mean Al

9-14/day

intake

Cornbread (homemade)

18

Processed cheese, yellow cake

10-11

(iced)

Fish sticks, muffins, hamburger

4-6

Pancakes, spinach

2-3

Lasagne

1

Bioavailability and Metabolism

Given the ubiquitous nature

of aluminum in the

environment, it is surprising that the human body contains little and that it has no function as an essential trace mineral. To a large extent, this level reflects the integrity of the body's barriers to metal ion intake.

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