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what's the natural source of food coloring: blue, purple, green, orange

goute Oct 6, 2010 05:15 AM

I'm following a recipe ( http://www.wikimama.com/recipe/bento ) to dye onrigi (japanese rice ball) with rainbow colors.

Yellow (curry) and red (beet) is easy, but I couldn't find out any information about the natural green, orange, blue and purple sources. Most recipes tell me how to use bottles of artificial food coloring (for baking cupcake) and that's why I actually want to avoid.
Can you think of any natural source for green, blue, purple, orange?

  1. f
    frozendesserts Oct 6, 2010 08:52 AM

    green tea, spinach for green?

    blue would be sweet pea flower or red cabbage cooked and juiced?

    orange... orange ginger

    purple you can try blueberries, the juice is kinda reddish purple?

    3 Replies
    1. re: frozendesserts
      goute Oct 6, 2010 09:32 AM

      AAAAHHH!! You got it!

      How could i forget Green matcha tea powder. I just had it last week. It's also a nice idea to use blueberres. (I would use cheaper grapes and hope it works) I tried spinach to dye noodles long time ago but the color is too light. Perhaps I used them in a wrong wy.

      And what's orange ginger? In google search, the picture looks like a jam.

      1. re: goute
        frozendesserts Oct 6, 2010 11:35 PM

        Orange ginger is another variety of the asian ginger.. the flesh is a light orange. But I suspect if you would to use it to dye rice, it would be more of a yellow color.

      2. re: frozendesserts
        greygarious Oct 6, 2010 10:44 AM

        As George Carlin pointed out, there is no blue food. Purplish, gray-blue, maybe, but not true blue. You might not be able to avoid artificial coloring for blue.

      3. blue room Oct 6, 2010 10:02 AM

        Onion skins from (from yellow onions) are used to turn eggs a nice rust color--sort of orangish...
        There are some color ideas in that link--at least for eggs.

        1. chefj Oct 6, 2010 11:02 AM

          Corn flowers yield a blue dye that is edible.
          Carrot for orange.
          Hibiscus makes a deep red purple.
          Achiote makes a strong orange yellow.

          1 Reply
          1. re: chefj
            Cheese Boy Oct 6, 2010 11:55 PM

            All very good suggestions made here by chefj.

            Definitely use a carrot for orange. For purple, I was wondering if a purple majesty potato would do. For blue, try blueberries, and for green try wheatgrass.

          2. MVNYC Oct 6, 2010 11:14 AM

            The natural source of blue is the indigo plant


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