This invention discloses a highly stable, high-brightness, fast-dissolving, dust-free natural blue composition granules, its preparation method, and its applications, belonging to the field of
pigment extraction technology. This natural blue composition uses
gardenia blue, butterfly pea flower extract, and
phycocyanin extract as the ternary coloring components, compounded with buffers (phosphates) and antioxidants (
vitamin C and tea polyphenols), and employs an embedding
wall material (β-
cyclodextrin and
sodium caseinate) for emulsification and embedding. Finally, it is produced into composite granules through
spray drying and dry
granulation processes. The composition granules exhibit a bright and vibrant color, excellent light and
heat resistance, rapid
dissolution in water without dust generation, and are
environmentally friendly. This invention also provides a method for preparing the composition granules and their application as a colorant in food, pharmaceuticals, and
cosmetics, offering a safe, stable, and efficient comprehensive solution to replace
petroleum-based synthetic blue pigments.