Red Cabbage is very low in Saturated Fat and Cholesterol. It is also a good source of Thiamin, Riboflavin, Folate, Calcium, Iron and Magnesium, and a very good source of Dietary Fiber, Vitamin A, Vitamin C, Vitamin K, Vitamin B6, Potassium and Manganese.
One cup of chopped crimson will add about 50 milligrams of vitamin C, as well as doses of fiber, folate and potassium. Studies have also revealed that a high intake of cruciferous vegetables such as cabbage offers protection from some cancers.
Red cabbage has twice the vitamin C than green cabbage.
RED CABBAGE'S MEDICINAL PROPERTIES
In European folk medicine, cabbage leaves are used to treat acute inflammation. A paste of raw cabbage may be placed in a cabbage leaf and wrapped around the affected area to reduce discomfort. Some claim it is effective in relieving painfully engorged breasts in breastfeeding women.
Cabbage contains significant amounts glutamine, an amino acid, which has anti-inflammatory properties.
It is a source of indol-3-carbinol, or I3C, a compound used as an adjuvent therapy for recurrent respiratory papillomatosis, a disease of the head and neck caused by human papillomavirus (usually types 6 and 11) that causes growths in the airway that can lead to death.
Taken From: http://www.khichadi.com/vegetablesandfruits/redcabbagenutritionfacts.shtml