Nutritional fortifier(Irony fortifier). Widely used egg products\rice products and pasty products. It always used for antioxidant and color fixative, some food and fruits use it to fix the tinct and keep the Freshness.
It can keep stable in the dry condition. After moisture absorption, it soluble in water and oxidation depart. The color become dark when contact the light. Almost insoluble in the alcohol., it is easily solute the water than L-ascorbic acid, Almost insoluble in ether and chloroform