Is sweet potato a sweet potato? How to bake sweet potato in the oven

We often see a lot of baked sweet potatoes and honey potatoes on the streets in winter. They are rich in sugar and protein, crisp and juicy, with thin and tough skin that is easy to peel, sweet, sticky and fragrant. You can also buy them and bake them yourself, because now basically many families have ovens. How to bake sweet potatoes in the oven? Let's open the Encyclopedia Knowledge Network to learn more!

Contents of this article

1. Is sweet potato the same as sweet potato?

2. How to bake sweet potatoes in the oven

3. Why do sweet potatoes sprout purple?

Is sweet potato a sweet potato?

Whether sweet potatoes are yam or not varies in different regions. In the north, yam is also called yam, but in the south, yam and yam are two different foods. The underground tubers of yam in some parts of the south can be eaten directly. The scientific name is "yam", and some places call it "liangshu" or "soybean".

Sweet potato, also known as sweet potato, is native to South America and the Greater and Lesser Antilles. It is widely cultivated in tropical and subtropical regions of the world, and is commonly cultivated in most parts of my country.

Sweet potato is a high-yield and highly adaptable food crop that is closely related to industrial and agricultural production and people's lives. In addition to being a staple food, the tubers are also an important raw material for food processing, starch and alcohol manufacturing industries. The roots, stems and leaves are excellent feed.

The fleshy tubers of yam are rich in starch, sugar and protein. They are crisp, tender and juicy, with a thin and tough skin that is easy to peel. They can be eaten raw, fried, used as feed, and processed into yam powder.

How to bake sweet potatoes in the oven

You can put the washed sweet potatoes directly into the oven, or you can wrap the sweet potatoes with tin foil and put them into the oven. Generally, they can be baked at 220 degrees for about an hour. It is recommended to choose slender and uniform sweet potatoes. If the sweet potatoes are relatively large, you can cut them in half or extend the baking time.

When baking sweet potatoes in the oven, it is best not to let the sweet potatoes directly contact the iron plate, otherwise the baking plate will be difficult to clean.

To ensure that the sweet potatoes are heated evenly, you need to preheat the oven for about 10 minutes, and it is best to turn the sweet potatoes 1-2 times in the middle.

Wrapping sweet potatoes with tin foil can lock in the moisture of the sweet potatoes, making the baked sweet potatoes moist, sweet and soft.

Why do sweet potatoes sprout purple?

Because the color of the tender shoots is determined by the pigment cells in the sweet potato epidermis, which is mainly the color of anthocyanins. Anthocyanins gather on the shoots, making the tender shoots of sweet potatoes appear purple. When the sweet potato shoots grow to a certain length, the anthocyanins will gradually decrease and the seedlings will generally turn green.

Sweet potatoes that have just sprouted can still be eaten. At this time, the nutrients and taste of the sweet potatoes have not changed much.

The growth of sweet potato sprouts is related to temperature, oxygen, humidity, etc. It is recommended to store sweet potatoes in a cool and ventilated place.

Sweet potato seedlings and leaves are also edible and have relatively high nutritional value, containing rich vitamins and various mineral elements.