They are also a very good source of folate and copper as well as a good source of dietary fiber, phosphorus, protein, iron, and zinc. (golubkakitchen.com)
Good sources of folate include spinach, broccoli, avocado and citrus foods, along with folate - fortified foods like yeast extract and some breakfast cereals. (womenshealthandfitness.com.au)
They're rich in vitamins and minerals, and are a particularly good source of folate, manganese, potassium, and copper. (vegkitchen.com)