spirulina blue,natural food coloring,certified organic colors,natural ingredient,

Spirulina Blue is an infrequent pigment protein in the natural world .Not only bright colors, but in itself is a nutritious protein, amino acid

Blue powder or blue granule. It is a protein-binding pigment, therefore it has the same properties as proteins, with an isoelectric point of 3.4. Soluble in water, insoluble in alcohol and grease.
Unstable to heat, light and acid. It is stable in weak acidity and neutral(pH 4.5~8) liquid.
It will be precipitated when it is in acidic liquid(pH4.2), and will be decolorized in strong alkali liquid.

Color value: (E1%,618nm)>18

With heavy metal, solvents residue, pesticide residue microorganism meet USP/EP/CP standards.

Food, Medicines and health foods,etc