When it comes to mold spots, if there is a small patch of mold on the potato, it doesn’t mean the vegetable’s time is up. Anyway I ate them and felt quite sick that night, allergic reaction, nausea , difficulty breathing. I would much rather get antioxidants from already-rich and non-toxic sources like berries than risk toxicity in the pursuit of antioxidants. If I moved my finger across the spots, they absorbed back into the sweet potato . The only problem is that the microwave cooks the potato unevenly, remaining hard and … What to do about mold on bathroom ceiling. So even if you had actually eaten any, I don't think the mold is necessarily toxic to the degree that you're thinking (though I still do not recommend eating the moldy parts). Join 6,455 readers in helping fund MetaFilter. from Haverford College, where she studied molecular biology and psychology and ran the college’s literary magazine. Science, Health and Environmental Reporting Program about a seven-pound weakling. I have noticed a bluish substance — like bread mold? I haven’t found any reference to skins, although it makes sense that this would be the front of the fungus versus sweet potato war. Thank you all for your words of potato reassurance! Fascinating! Strange, as I tend to enjoy normal potato skins in my food, and it would follow that potato skins that are delicious in one way would be good in another way, too…but thanks for saving my LIFE in case I ever was going to binge on sweet potatoes. I think of myself as being pretty food risk-averse, and I'd have eaten it. A project of the I have had 2 sweet potatoes stored in the fridge for over a month. My sweet potato is now in the garbage. I just cooked a sweet potato in the microwave and when I opened it up, the bottom was greenish dark like an avocado with some areas with white lines and some areas with black lines. I don’t even think I’ve ever eaten a true yam, though. And I’ll probably skip the skins. From what you say once a bit of mould gets into the potato it’s spreads throughout the whole thing and you cannot use any of it. . I can try some of the undamaged potatoes and see if there is no issue but I am wondering if fact they are sweet potatoes at all so can anyone tell me if when you cut the sweet potato it should go a kind of dark color ? Many thanks!! Purple sweet potato; Green tea; Antifungal Foods. I made a curry today using two large sweet potatoes that both had little bits of whitish/greyish mold growing at the very tips. Ipomeanine (IPN), 4-ipomeanol (4-IPO), 1-ipomeanol (1-IPO), and 1,4-ipomeadiol (DIOL) are toxic 3-substituted furans found in mold-damaged sweet potatoes. fine afterwards. I’ve always peeled my sweet potatoes, for reasons unknown to man (primal instinct? I worried that perhaps the fields had been sprayed, and contacted someone about that, and apparently there had been no spraying. People are still studying ipomeamarone today. I was always told as a child to eat the skins, but (rebellious me, I guess!) I cut another wedge off and the same thing happened. Also, these sweet potatoes had been lying on the ground in the sunlight for more than a week. I am fascinated that it does not smell bad in any way, and in fact, is quite a delicious smell (but the potato itself is mostly black or has black skin – i’m not about to eat it!). Required fields are marked *, Distinguished Writer in Residence, New York University. The Shortest Distance Between You and Science, A project of NYU's Science, Health and Environmental Reporting Program, sweet potatoes can churn out a bunch of nasty chemicals. Has anyone ever noticed a delightful lychee aroma from their rotten sweet potatoes? After using almost every type of test tube on the market for every conceivable purpose, she removed her gloves to become a journalist and improve the public’s understanding of science. Everything I’ve read has been “sweet potato, sweet potato, sweet potato.”. http://www.whfoods.com/genpage.php?tname=foodspice&dbid=64. Buying and planting certified disease-free tubers is the best way to prevent black rot and scurf. Is it still safe to boil and make make mashed sweet potatoes even if i peel skin?? Wow what an item delight. lets see what happens! I cut off an inch or more of potato past the mold zone and proceeded to cook, because I really wanted those damn sweet potatoes and the grocery store is scary these days. Now I'm googling and seeing all sorts of things about hepatoxicity from the kind of mold that grows on sweet potatoes. Thanks for posting the research for us! It’s up to you if you cut them or leave whole. Then the next day I myself ate 2 bowls, and within minutes I too felt extremely nauseous. Ya good! This wouldn't even register on my radar of things to be concerned about with food. She said it did not taste great and left most of it, however about 2 hours after eating it she felt ill with stomach pains and nausea, she has now been unwell for about 36 hours and is only improving slowly.. She finished a 5 month course of chemo about 2 months ago, I am sure her immune system is still compromised from that and so more susceptible to bacteria and toxins. I was about to cook a sweet potato after cutting off the end which was moldy. Visible mold can occur in two main forms on sweet potato tubers. My partner ate part of a sweet that was at least a month old, I told her I did not think she should eat it due to its age and because it had some black spots. Where is your scientific evidence from? I’m pretty careful about food prep and have cut the end off of a moldy sweet potato, scrubbed/peeled, cooked, and eaten it many times. “Toxicants Occuring Naturally in Foods” mentions that yams don’t make these chemicals when moldy, but they didn’t include a citation for it. I have done this over a hundred times, I'm sure (I eat a lot of sweet potatoes), and I'm totally fine! This November, when I found myself in the yearly ritual of warning friends of the dangers of sweet potatoes, I decided it was time to track down this factoid once and for all. [6] Ipomeanine (IPN), 4-ipomeanol (4-IPO), 1-ipomeanol (1-IPO), and 1,4-ipomeadiol (DIOL) are toxic 3-substituted furans found in mold-damaged sweet potatoes. — on broken ends of uncooked sweet potatoes. I cut into this sweet potato and a few seconds later, these crazy white spots appeared. Preventing Mold on a Sweet Potato Plant Types of Mold. http://www.whfoods.com/genpage.php?tname=foodspice&dbid=64, Science, Health and Environmental Reporting Program. I’ve developed some odd rashes that don’t go away. I took them out tonight and noticed mold on the skin. Garden Sanitation. Due to many different storage and age factors, mold can grow on the skin of sweet potatoes. Apparently baking your sweet potatoes won’t completely rid them of creepy chemicals, so I guess I’ll make sure that any I ingest are free from signs of disease. Sweet potato: totally fine, especially if you cut a bit clear. ... Sweet potatoes have higher amounts of water content than potatoes… For more info, you can check out the Handbook of Natural Toxins (1983), which is on Google Books. Paleo, low-carb, or Caveman diet, and others like it that avoid grains, beans, and potatoes, etc. The sweet potatoes I buy often have mold growing on them. You are not logged in, either login or create an account to post comments. ones I have been eating have been damaged and I just cut off the kind of moldy bits. She cut off the skin where the the dark spots were and microwaved it. Potato, sweet potato skins ANYTHING in the compost bin, but while cutting i noticed a delightful aroma. To never eat sweet potatoes i buy often have mold growing at the very tips certified. 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