1000 µg = 1 mg = 0.001 g

hazelnuts 35 g**
protein 4 g
protein quality 25 %
fat 22 g
linolenic acid 53 mg
carbs 4 g
vitamin E activity 9 mg
vitamin B1 135 µg
vitamin B2 70 µg
vitamin B3 470 µg
vitamin B5 40 µg
vitamin B6 110 µg
folic acid 25 µg
vitamin K 3 µg
calcium 79 mg
magnesium 55 mg
phosphorus 115 mg
potassium 220 mg
iron 1 mg
zinc 650 µg
manganese 2 mg
chromium 5 µg
cobalt 12 µg
fluoride 6 µg
iodide 1 µg
silicon 4 µg
selenium 2 µg

** Souci, Fachmann, Kraut;
Food Composition And Nutrition Tables
Medpharm Scientific Publishers Stuttgart