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Sodium chlorophyllin copper , also known as copper chlorophyllin sodium , is a highly stable metallic porphyrin with dark green powder, strong colouring power and bright colour, its aqueous solution is blue-green clear liquid, when calcium ions are present, there is precipitation .When the pH of its aqueous solution is less than 6, a powdered precipitate appears at the bottom of the dye solution, which is due to the planar space structure of the copper chlorophyll molecules in acidic conditions can easily gather. The sodium chlorophyll copper salt can be made from spinach or silkworm dung, chlorophyll is extracted with acetone or ethanol, and the appropriate amount of copper sulphate is added.
Application : As a raw material for medicine, it can promote the healing of gastrointestinal ulcers, and can also be used for acute and chronic hepatitis and hepatitis-induced hepatomegaly, liver cirrhosis, and promote the recovery of liver function; as an edible coloring agent, it is widely used in cakes, beverages, candy, ice cream and other food products; as a daily chemical raw material, it is used in large quantities in various green medicine toothpaste and cosmetics. It has obvious efficacy in the treatment of periodontitis, mouth ulcers and bad breath.