Table 1.

Foods with zinc content ≥ 0.5 mg/100 g included in the semi-quantitative FFQ

Food	Portion size	Zinc mg/100g
DAIRY PRODUCTS
Whole milk	1 glass (240 ml)	0.5 – <1.0
Cheese	1 slice (30 g)	2.0 – <3.0
Yogurt	1 typical cup of yogurt (150 g)	0.5 – <1.0
EGGS MEATS
Egg	1 complete	0.5 – <1.0
Pork	½ medium-size steak (45 g)	2.0 – <3.0
Beef	½ medium-size steak (45 g)	≥ 3.0
Sausage or ham	1 sausage or 1 slice of ham (30 g)	1.0 – <2.0
Beef or chicken liver	1 piece (90 g)	≥ 3.0
Fresh fish	½ medium-size fillet (45 g)	0.5 – <1.0
Canned tuna	¼ can or 40 g	1.0 – <2.0
LEGUMES
Beans	a) ½ plate or ½ cup from the pot (50 g)	0.5 – <1.0
CEREALS AND GRAINS
Rice	½ cup or ½ plate (50 g)	0.5 – <1.0
White bread	1 loaf or ½ roll (35 g)	0.5 – <1.0
Whole wheat bread	1 loaf or ½ roll (35 g)	1.0 – <2.0
Sweet bread	1 piece (70 g)	0.5 – <1.0
Boxed cereal	1 cup dry (30 g)	≥ 3.0
Tortilla and tortilla products	1 piece	0.5 – <1.0