| 21. | Potatoes naturally produce solanine and chaconine, a related glycoalkaloid, as a stems, and shoots are naturally high in glycoalkaloids.
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| 22. | Green colouring under the skin strongly suggests solanine build-up in potatoes, although each process can occur without the other.
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| 23. | Nicotine is found in tobacco plants and solanine in potatoes that are old or have been exposed to sunlight for a long time.
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| 24. | The United States National Institutes of Health's information on solanine strongly advises against eating potatoes that are green below the skin.
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| 25. | The leaves of the black nightshade " ( Solanum nigrum ) " and similar species, contain solanine, an alkaloid.
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| 26. | In the mid-1990s, Sweden ordered one conventional potato variety off the market because it contained high levels of the toxin solanine.
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| 27. | However, when these commercial varieties turn green, they can still approach concentrations of solanine of 1000 mg / kg ( 1000 ppmw ).
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| 28. | The Jerusalem cherry's poison is primarily solanocapsine, which is similar to other alkaloids found in their genus, such as solanine and atropine.
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| 29. | See solanine, and always peel all the green bits off your spuds .-- Sean 14 : 12, 17 September 2007 ( UTC)
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| 30. | In potato tubers, 30 80 % of the solanine develops in and close to the skin, and some potato varieties have high levels of solanine.
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