Beta-carotene: medium in leaves; vitamin E: medium in shoots; riboflavin: medium in leaves and seeds; folic acid: high in leaves; ascorbic acid: high in leaves, low in seeds; calcium: high in leaves and seeds; iron: high in leaves and seeds; protein: 2-4% in shoots. Leaves contain also betacyanin (amaranthine) and oxalic acid (ca. 0.5%). Seeds are rich in beta-sitosterol and other phytosterols.