1000 µg = 1 mg = 0.001 g

pear 500 g**
protein 2 g
fat 1 g
linolenic acid 180 mg
carbs 62 g
total carotenoids 79 µg
vitamin E activity 2 mg
vitamin B1 165 µg
vitamin B2 190 µg
vitamin B3 1 mg
vitamin B5 310 µg
vitamin B6 75 µg
biotin 1 µg
folic acid 70 µg
vitamin C 23 mg
calcium 50 mg
magnesium 39 mg
iron 1 mg
zinc 810 µg
sodium 11 mg
potassium 630 mg
chloride 10 mg
phosphorus 75 mg
manganese 210 µg
copper 361 µg
nickel 56 µg
boron 915 µg
chromium 10 µg
cobalt 75 µg
iodide 5 µg
fluoride 60 µg
vanadium 13 µg
aluminium 185 µg
silicon 1 mg
selenium 3 µg


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