Generally, the eight-treasure porridge is qualified

The additives in the eight-treasure porridge are tasteless, odorless or slightly salty white or milky white crystals or granular powders. Soluble in water, insoluble in ethanol and ether, used as heavy metal detoxifier, complexing agent, antioxidant synergist, stabilizer and softener.

So it should be an additive that can be used. Yinlu and Haozhou black rice porridge are added with disodium ethylenediaminetetraacetate