In terms of nutritional value, in 100g River crabs have 74.4g of water, 12.3g of protid, 3.3g of lipids, 2g of glucide, providing 89g of calories. The amount of vitamins and mineral salts, especially calcium in crab is very high: in 100g crab has up to 5,040mg calcium, 430mg phosphorus, 4.7mg iron, vitamins B1, B2, PP ... The quality of protid in crab is also kind Well, 8 out of 10 essential amino acids were found to be analyzed, including lysine,