They have a high content of protein and fiber, being also an excellent source of minerals, such as potassium, iron, selenium, molybdenum and folic acid. 
 
Per 100 grams:
 Nutrients Amount 
 Energy 339 
 Protein 21.90 
 Total Fat (g) 2.10 
 Carbohydrates 60.10 
 Fiber (g) 2.90 
 Calcium (mg) 138 
 Iron (mg) 6.60 
 Vitamin C (mg) 6.30