Mushroom food is one of the oldest cuisines in the world. It contains protein vitamins minerals and antioxidants. Among the antioxidant agents in mushrooms are selenium vitamin C and choline. A cup of whole raw mushrooms contains 16.3 micrograms (mcg) of folate. Current guidelines recommend that adults consume 400 mcg of folate each day. The fiber potassium and vitamin C in mushrooms may contribute to cardiovascular health.