If the sweet potatoes start turning soft or mushy, they have gone bad. The same thing is true for sweet potatoes that turned a deep shade of brown to black. Check for weird growths through the skin or the presence of mold. If the sweet potatoes have developed an off-odor, toss the tubers in the trash.
When potatoes are stored too long, in a too-cold environment (below 41°F) the starches within convert to sugar. This not only makes for an overly-sweet potato but also alters the cooking chemistry - resulting in uneven cooking performance and discoloration.
Some signs that uncooked potatoes have spoiled include dark spots on the skin, a soft or mushy texture, and foul odor. Cooked potatoes may have mold but can also spoil without any noticeable signs.
Russet potatoes, like all other potatoes, are bad if they are soft, mushy, smell moldy, are shriveled/wrinkled, or have long sprouts.
Black Spots and Brown Spots:. The appearance of sweet potatoes is the most tell-tale sign to recognize a rotten sweet potato. A typical indication is black and brown spots. If these spots appear in a sweet potato, it means that this vegetable is rotting and should be thrown away.
Russet potatoes - otherwise known as Idaho potatoes in North America - are in many ways the consummate potato. A large all-rounder with mealy white flesh and dark brown skin, they're great for baking, mashing, roasting, french-frying - the lot. They're also perfect for potato chips (or crisps to the Brits).
Raw potatoes should be firm to the touch with tight skin that's free of large bruises, black spots, or other blemishes. If a potato has become soft or mushy, you should throw it out. Though it's normal for potatoes to smell earthy or nutty, a musty or moldy odor is a hallmark of spoilage.
Beyond being loaded with health benefits thanks to the vitamins and minerals they pack, sweet potatoes also aren't that high in calories-a medium one only has about 103 calories.
Sweet potatoes are often touted as being healthier than white potatoes, but in reality, both types can be highly nutritious. While regular and sweet potatoes are comparable in their calorie, protein, and carb content, white potatoes provide more potassium, whereas sweet potatoes are incredibly high in vitamin A.S
Sweet potatoes with orange flesh are richest in beta-carotene. Sweet potatoes with purple flesh are richer in anthocyanins. Beta-carotene and anthocyanins are naturally occurring plant phyto chemicals that give vegetables their bright colors.
A number of our products are available for order on our online store at Shop.Idahoan.com. My product is past the Best By Date, is it still safe to use? We do not recommend using our product past the Best By Date as the potatoes will start to break down affecting taste, texture and the overall quality of the product.
What happens if you eat bad potatoes? Bad potatoes contain high levels of solanine and can cause solanine poisoning. Symptoms include nausea, diarrhea, stomach cramps, vomiting, headache, dizziness, among other things.
They're high in fiber and antioxidants, which protect your body from free radical damage and promote a healthy gut and brain. They're also incredibly rich in beta-carotene, which is converted to vitamin A to support good vision and your immune system.