Chewed artichoke turned blue

Chewed artichoke turned blue - Blue Orange and Yellow Round Plastic Toy

I ate some cooked artichoke stems; some of the outermost skin is tough, so I just chewed it and then spit out the inedible bits. I left those bits in a container on my kitchen counter near the sink, still sealed. A day later, when I dumped the contents, the leftover bits were a bright blue color. What does this mean? Something with saliva enzymes?



Best Answer

We eat artichoke often. We pressure cook them in an old one quart aluminum pot. I have seen the cut stem (not chewed) butt turn and ooze blue from the cut stem when left in the fridge too long. In that condition the stem has a sour fermentation, but no obvious mold. I have eaten it like this thinking, I am getting extra. I like artichoke stem a lot and have bought them with long stem in Oregon, USA. The blue appears to be in the nature inherent with the thistle flower that it is.




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Quick Answer about "Chewed artichoke turned blue"

You chewing it may have broken it up, allowing the oxygen easier "access" to react with the copper when you left it out. Show activity on this post. It should be a reaction to certain metals, typically iron or aluminum.

How can you tell if an artichoke has gone bad?

Signs of a bad artichoke
  • There's an open hole in the center and the leaves are loose.
  • The tips of the leaves are split or shriveled, a sign it is dried out.
  • It feels light, another sign it has dried out.
  • It feels spongy when squeezed.


  • Can artichokes give you food poisoning?

    Artichoke can cause side effects such as gas, upset stomach, and diarrhea. Artichoke might also cause allergic reactions.

    Is it OK if my artichoke is purple?

    The very center of the flower head consists of prickly purple leaves and a fuzzy choke that shouldn't be consumed (they could, indeed, cause you to choke)\u2014they are discarded before or during the eating of the remaining artichoke.

    What does it mean when an artichoke is purple?

    Artichoke Facts: The \u201cvegetable\u201d that we eat is actually the plant's flower bud. If allowed to flower, the blossoms measure up to seven inches in diameter and are a beautiful violet-blue color.



    Holiday artichoke dip goes terribly wrong on-air




    More answers regarding chewed artichoke turned blue

    Answer 2

    I was a chemistry major in college and I suspect this happened because the copper in the artichoke reacted with oxygen in the air creating copper oxide, which is a really pretty blue color in low concentrations. You chewing it may have broken it up, allowing the oxygen easier "access" to react with the copper when you left it out.

    Answer 3

    It should be a reaction to certain metals, typically iron or aluminum. Not sure why artichoke + iron = blue, but that seems to be how it works.

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