Why Aren’t There Blue Vegetables?

Why Is Blue Food So Rare In Nature?

Blue FigsIn my quest to include a complete rainbow of vegetable colors in my meals I became annoyed that there’s no blue vegetables.  At least nothing true blue.  That’s when I came across the George Carlin video above where he conjectures that some nefarious force is keeping the blue food from us because it is the elixir for immortality.  I’m sure somewhere a hidden mystical village exists with a spectacular fountain of youth at the center surrounded by a landscape laden with blue fruits, and vegetables. 🙂

Of course in the fruit department there’s blueberries but even those are purple.  Almost all of the so called blue fruits, or vegetables end up being purple in color.  For sure blue is a rare color when it comes to edible foliage.  The only thing I can think of is blue quandong, or blue figs, but who the heck eats that anyway?

Apparently humans, and animals seem to find blue food unappetizing.  In fact the color blue has been found to be an appetite suppressant. Evolution has made us see blue food as dangerous in some way.  Really though the two types of chemicals responsible for bright colors in edible food, anthocyanins & carotenoids, both have the color red in common.  This is probably because nature wants the food to stand out against the dominant green foliage caused by chlorophyll.  So when you always have red present it’s not that easy to get blue.  Red, and yellow give you orange while red, and green give you yellow.  Red, and blue give you purple.  Unless the red is substantially dialed down you won’t get blue since it’s a primary color like red, and green.  If you’re looking for the culprit causing the lack of blue vegetables, and rarity of blue fruit then blame evolution choosing red as the color constant when it comes to mixing up the palettes for fruits, and vegetables.

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Xavier Remington
About Xavier Remington 48 Articles
I've always had a personal interest in health along with being disturbed by the injustices of mainstream medicine that attacks every disease with toxic chemicals or unnecessary surgery. I've found that healthy diet, exercise, natural medicine, and common sense are the keys to survival when navigating the health hazards of this world.

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