Extracting Natural Color from Plants: The Freeze-Thaw Method
Cocktail Coloring - Natural Food Colorings to Use in Drinks

Purple Food Colorings: Anthocyanin

Purple cornAnthocyanins are pigments that, depending on their pH, may appear red, purple, blue or black. Food plants rich in anthocyanins include the blueberry, raspberry, black rice, and black soybean, among many others that are red, blue, purple, or black. [wikipedia]

That purple color-changing butterfly pea flower tea? [tea bags] [flowers] [powder form] Anthocyanin. The purple cabbage science experiment you did in middle school? Anthocyanin. 

Wikipedia offers a list of food sources with high anthocyanin levels. I put them in descending order below. You might choose to use them to color your cocktails. 

  • Purple corn leaves
  • Purple corn [buy]
  • Dried red cabbage
  • Norton Grape
  • Eggplant
  • Blueberry
  • Black Raspberry
  • Raspberry
  • Concord grape
  • Acai
  • Plum
  • Ube

In my next post, I have links to many different natural food/drink colorings.