Want this question answered?
Iron
calcuim
Not much; the refinement process means they take fiber out.
No - Valero is a group of refineries that process crude to refined products. BP is an oil company that also owns refineries and distributes products.
B vitamins: Niacin, Thiamine, Riboflavin
Refined sugar is a pure carbohydrate which provides no vitamins or minerals to the body, however, molasses, which is also made from sugar cane and is not as drastically refined, is an excellent source of iron.
endosperm
thiamin, riboflavin, niacin, folate, and iron.
Ore was refined, in a crude and primitive process, during the Iron Age.
Conching
One of the first commercially viable products refined from crude was Kerosene, which was the "hurricane lamp" fuel of the later 1800's.
Refined sugar robs your body of it's B vitamin stores.