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Though I still ate some purple cabbage

does anyone know why the cabbage is purple ?

No, but I do know I'd rather research it than grade papers. But I can't let myself go down that rabbit hole!
 
Typically, the red and brown colorations in leaves are from pigments that act like a sunscreen to keep the plant from getting sunburned.
 
The color purple actually has a historical significance

In the old europe days, purple was a color of royalty because at that time was actually made from sea snails and was very hard to come by in quantity.

but in 1856 a young engineer actually made synthetic purple. He couldn't get any bank to bankroll a company to make it, so his father paid for everything.

So he basically made a ton of this dye and transformed the chemical and fashion industry.

so, you may ask, what does this have to do with purple cabbage?
Nothing
 
As Gary said, it's from pigments.
Pigments called anthocyanins
which are pigments found in plants that make them turn red in the fall
and are found in other plants as flavenoids which gives them a multitude of colors.
 
The color purple actually has a historical significance

In the old europe days, purple was a color of royalty because at that time was actually made from sea snails and was very hard to come by in quantity.

but in 1856 a young engineer actually made synthetic purple. He couldn't get any bank to bankroll a company to make it, so his father paid for everything.

So he basically made a ton of this dye and transformed the chemical and fashion industry.

so, you may ask, what does this have to do with purple cabbage?
Nothing
EPIC leaderboard posting right there.
Very nearly interesting, and yet…not quite.

Too many words though.
 
As Gary said, it's from pigments.
Pigments called anthocyanins
which are pigments found in plants that make them turn red in the fall
and are found in other plants as flavenoids which gives them a multitude of colors.

And speaking of cyanins, which really has nothing to do with anything, but it's the same root as cyanosis--

My oldest son won his school's spelling bee when he was in the 5th grade. At the Regional Spelling Bee, he came in 8th place, out of about 200 kids, from 4th graders through high school seniors.

The word he got out on was "acrocyanosis."
When they gave him that word, my father leaned over and said to me, "Now they're just making stuff up."

But now, for the rest of our lives, should anyone have have need for it, my son and I will be able to spell acrocyanosis for them.

Acrocyanosis is blueness or pallor of the extremities usually associated with pain and numbness and caused by vasomotor disturbances.
 
As Gary said, it's from pigments.
Pigments called anthocyanins
which are pigments found in plants that make them turn red in the fall
and are found in other plants as flavenoids which gives them a multitude of colors.

And speaking of cyanins, which really has nothing to do with anything, but it's the same root as cyanosis--

My oldest son won his school's spelling bee when he was in the 5th grade. At the Regional Spelling Bee, he came in 8th place, out of about 200 kids, from 4th graders through high school seniors.

The word he got out on was "acrocyanosis."
When they gave him that word, my father leaned over and said to me, "Now they're just making stuff up."

But now, for the rest of our lives, should anyone have have need for it, my son and I will be able to spell acrocyanosis for them.

Acrocyanosis is blueness or pallor of the extremities usually associated with pain and numbness and caused by vasomotor disturbances.
what is a vasomotor disturbance ??
 

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