Spirulina blue (No INS#) is a bright blue colour and is water soluble. It is light stable however it is not heat or acid stable and can be used in ice cream and confectionery. Your Hawkins Watts technical team can provide support to ensure FSANZ labelling compliance.
Stability
| Light Fastness | Fair |
| Temperature | Fair |
| SO2 Resistant | Medium |
| Colour at pH | |
| pH 3 | Unstable |
| pH 5 | Blue |
| pH 7 | Blue |
| pH 7-9 | Blue |