What causes potatoes to have brown centers or a hole inside? “Hollowheart” is a discoloured cavity in the centre of an otherwise healthy potato. It can be caused by rapid growth or possibly by sudden temperature changes early in the growing season. These potatoes can be eaten but the hollow piece should be cut out.
This process, which is called oxidation, happens because potatoes are a naturally starchy vegetable. And when exposed to oxygen, starches turn gray, brown, or even black. An oxidized potato is completely safe to eat, the process doesn't affect the flavor or texture of the vegetable.
Q What can I do if my potatoes are affected by internal rust spot? A The tubers can still be eaten, although you'll need to cut out the infected parts.
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. A strong smell coming from an otherwise fresh-looking potato is a warning that the inside may have rotted or started to mold.
In addition, when potatoes sprout, the starch in the potatoes is converted into sugar. If the potato is firm, it has most of the nutrients intact and can be eaten after removing the sprouted part. However, if the potato is shrunken and wrinkled, it should not be eaten.
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.
Solanine is concentrated mostly on the skin or sprouts of potatoes. Consuming bad potatoes can cause solanine poisoning. Symptoms include headaches, vomiting, fever, stomach cramps, and difficulty in breathing. Other symptoms include diarrhea, shock, and hallucinations.
Green potatoes should be taken seriously. Although the green color itself is not harmful, it may indicate the presence of a toxin called solanine. Peeling green potatoes can help reduce solanine levels, but once a potato has turned green, it's best to throw it away.
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Q:“Can teachers swear at students?” Of course teachers can unless they have some sort of language, or speech impediment.