Table 1 Nutritional constraints imposed on the linear programming models

Energy

Kcal

= observed^a

Carbohydrates ^b

%kcal

45–55

Free sugar ^c

%kcal

< 10

Total fiber ^b

g

≥31

Protein ^b

%kcal

≥10

Total fat ^b

%kcal

25–35

Saturated fat ^c

%kcal

< 10

Trans fat ^c

%kcal

< 1

Sodium

mg

≤ observed^a

Calcium ^d

mg

≥1,021

Copper ^d

mg

≥1.1

Iron ^d

mg

≥10.7

Phosphorus ^d

mg

≥888

Magnesium ^d

mg

≥377

Zinc ^d

mg

≥11.7

Niacin ^d

mg

≥16.4

Vitamin A ^d,e

mcg

≥803

Thiamin ^d

mg

≥1.3

Riboflavin ^d

mg

≥1.5

Vitamin B6 ^d

mg

≥1.6

Vitamin B12 ^d

mcg

≥4.2

Vitamin C ^d

mg

≥84

Vitamin D ^e

mcg

≥10

Vitamin E ^d

mg

≥12

Folate ^d,f

mcg

≥426