USA: butterfly pea flower colour

The US FDA has amended the food colour regulations under 21 CFR 73 to provide for the use of an aqueous extract of butterfly pea flower (Clitoria ternatea) as a colour additive in various food categories at levels consistent with GMP.

Further details can be found here in the Federal Register:

https://www.federalregister.gov/documents/2021/09/02/2021-18995/listing-of-color-additives-exempt-from-certification-butterfly-pea-flower-extract