... . The flavor is mild and pleasant with a floury texture. Broad bean contains protein, fat and carbohydrate, vicine, choline, lecithin, pipecolic ... of folate, and a good source of thiamine and zinc. Broad beans are rich in L-dopa, a substance used medically ... in the treatment of Parkinson's disease. Broad bean strengthens spleen and expels evil dampness as well as ...