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Old Today, 08:35 PM
10,346 posts, read 9,832,729 times
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A few times lately, I've bought potatoes that, once home, proved to have that green tinge which wasn't apparently in the market. Luckily, I happened to have read in passing that they're potentially dangerous.

But if this is happening a few times in a supermarket, isn't it someone's responsibility? Should I have made more of a fuss and demanded a refund? Should I have asked to speak to the produce manager?

And what do you do? If you can peel off or cut away the green parts, are they safe then?
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Old Today, 09:28 PM
Location: San Antonio/Houston/Tricity
40,809 posts, read 59,022,763 times
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Yes. I experienced that too. A lot of them are green and therefore toxic. I have to peel them really thick now.
Peeling green potatoes can help reduce solanine levels, but once a potato has turned green, it's best to throw it away.

The "green" is the solanine produced when potatoes are exposed to light. The green color is harmless, but the solanine produced along with it is indeed capable of making you sick. Diarrhea, vomiting, and stomach cramps are symptoms of solanine poisoning.

Solanum-type glycoalkaloids are not destroyed by cooking. Solanine is water-soluble, so boiling can lower the levels. Do not use the cooking water for anything, though.

I suspect they are harvested green.
Generally potatoes should be kept in a dark, dry and cool place, but grocery store lighting is bright enough to induce greening after a week unless potatoes are kept cool.
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Last edited by elnina; Today at 09:40 PM..
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