Orebro - Ore means Oryzanol & Bro means Bran. The name is combination of two different words.
ORE- Oryzanol - the oryzanol is a substance that is taken out from rice bran oil. It is also found in wheat bran and some fruits and vegetables . People use it as medicines . Oryzanol is used for high cholestrol and symptoms of menopause and aging .
Bran - It means pieces of grain husk seprated from flour after milling . Bran is present in any cereal grain , including rice corn(maize), wheat , oats , barley , rye and millet.
Also orebro is a name of city in mid Sweden . The city has Orebro university and Orebro Castle etc.