1000 µg = 1 mg = 0.001 g

peach 250 g**
protein 2 g
protein quality 46 %
fat 0 g
linolenic acid 10 mg
carbs 22 g
vitamin E activity 2 mg
total carotenes 248 µg
vitamin B1 68 µg
vitamin B2 128 µg
vitamin B3 2 mg
vitamin B5 350 µg
vitamin B6 65 µg
biotin 5 µg
folic acid 7 µg
vitamin C 24 mg
vitamin K 8 µg
calcium 20 mg
magnesium 23 mg
phosphorus 68 mg
potassium 512 mg
sodium 1 mg
chloride 7 mg
iron 1 mg
zinc 363 µg
manganese 207 µg
copper 182 µg
nickel 66 µg
chromium 5 µg
aluminium 7 µg
fluoride 53 µg
iodide 3 µg
boron 18 µg
silicon 1 mg
selenium 3 µg

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