Gardenia yellow
color is obtained from the fruit of Gardenia jasminoides Ellis. It is
a water soluble yellow color with Crocin, which is the same ingredient
as Saffron yellow, as its principal-ingredient. From long ago, Gardenia
jasminoides Ellis was used as a herbal medicine and food color in Asia.
Today, Crocin is widely used as a food color in Chinese noodles, pastry,
desserts, and confections.