In the skin, bruising can be seen as a reddish-purple discoloration that does not blanch when pressed upon. This discoloration leads to the classic black and blue appearance. When a bruise fades, it becomes green and brown as the body metabolizes the blood cells and bilirubin pigment in the skin.
Richest among all the vitamin B complex foods are milk, yeast, liver, whole-grain cereals, nuts, eggs, yogurt, fruits, meats and leafy vegetables. Vitamin B1 is an essential vitamin that aids in conversion of carbohydrates into energy. It also helps regulate normal functioning of heart, muscles and nervous system.
Good sources of B6 include meats, fish, poultry and legumes. Vitamin B12 is found in animal foods and fortified cereals but is absent from plant foods. These and all of the B-complex vitamins are required for metabolism of proteins, fats and carbohydrates.