CAS No. 977010-51-17 (fruit juice)
CAS No. 977010-58-4 (vegetable juice)
Fruit and vegetable juice color additives are prepared either by expressing the juice from mature varieties of fresh, edible vegetables or fruits, or by the water infusion of the dried vegetable or fruit. The use of solvents is not permissible. The color additive may be concentrated or dried. Examples of fruit and vegetable sources that may be used to produce a fruit juice or vegetable juice color include purple corn, hibiscus calyces, chokeberry, purple/black carrot, elderberry, red cabbage, purple sweet potato, red radish, spinach, rhubarb, huito, and roselle calyces.
US FDA
Fruit Juice and Vegetable Juice, 31 FR 1063; Jan 27, 1966; Final Rule. Available online