Complex sentence: International Food Policy Research Institute, 2001 The grain has a high concentration of different nutrients, a very high calcium content, and high levels of phosphorus, iron, copper, aluminum, barium, and thiamin.
Split into simpler sentences: International Food Policy Research Institute, 2001 The grain has a high concentration of different nutrients. This grain has a very high calcium content, and contains high levels of phosphorus, iron, copper, aluminum, barium, and thiamin.