It has the reputation of being able to cure hangovers. There is no question that cabbage is healthful. It is a rich source of vitamin C and vitamin A as well as phosphorus, calcium and iron. Sauerkraut retains a good deal of the vitamins and minerals and it is known that Chinese workers on the Great Wall were fed sauerkraut to prevent scurvy and other diseases that come from eating only rice. Boiled cabbage loses much of the healthful content of cabbage unless boiling times are shortened and very little water is used.
Savoy cabbage is a particularly fine vegetable and is very easy to work with.
Here is a good recipe using it. No meat is in this soup and it is best made one day ahead in which case the butter is added after the reheating. Wash well and drain. Boil the cabbage for 5 minutes in salted water. Drain and rinse in cold water, pressing out the excess water.