In other words, that nice, stable temperature inside your house tricks potatoes into thinking it's spring — and time to sprout. The part of the potato plant we eat is its tubers, which store excess nutrients until spring, when they convert those nutrients into energy and start growing sprouts.
Sprouted potatoes do have the potential to be toxic because of a chemical called solanine. Potatoes and other nightshades, such as eggplant, tomatoes, and peppers, are naturally predisposed to produce solanine, which is toxic to humans if it's ingested in large enough quantities.
When potatoes are dormant, solanine isn't an issue, but if potatoes aren't stored properly or kept in ideal growing conditions, they start producing solanine in their sprouts. The tubers themselves will also turn green if they're exposed to too much light, and that signals solanine production as well. Additionally, when potatoes start sprouting, their nutrients start fading away because they're being transformed into sugar. If they're left alone, they'll shrivel up and become unsafe to eat entirely.
Sprouted potatoes that are still firm, have relatively small sprouts, and don't show any wrinkles or shriveling are okay to eat, as long as you cut off the sprouted parts and soft spots. However, there's still a chance you could get sick. Of course, if you compare French fries made with white potatoes to baked sweet potato wedges, it will come as little surprise that the deep-frying will come off worse for you than oven baking. However, like-for-like there is a clear comparable nutritional value between sweet and white potatoes, but simply focused on different nutrients.
For example, sweet potatoes have a higher fibre and vitamin A content, whereas white potatoes have more iron and magnesium. Have you got an ingenious way of limited potato wastage or a burning question you would like answering by our team of experts? Join the conversation using seasonalspuds on Twitter or by liking us on Facebook. Take a look at some of our top FAQs about the potato and whether we think they are right or wrong: 1.
What is healthier — potato skins on or skins off? Commercial potato growers often treat their potatoes in various ways to keep them from sprouting.
If you buy organic potatoes or grow your own, a few simple storage suggestions will extend the storage life of your potatoes by weeks or even months:. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads.
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