Why does corn turn yellow after cooking? How many carbohydrates does corn contain?

Why does corn turn yellow after cooking? How many carbohydrates does corn contain?

Corn is a sweet and delicious grain crop. It can be eaten raw, steamed, stewed, and cooked. People of all ages like to eat it. Corn has a high vitamin content, which is 5-10 times that of rice and wheat. The riboflavin contained in corn is a high-nutrient substance and is very beneficial to the human body. We can use corn to make various delicacies at home to satisfy everyone's taste buds. Boiling corn is the most convenient, so everyone often likes to boil it. Why does corn turn yellow after boiling? What is the reason? Do you know?

Contents of this article

1. Why does corn turn yellow after cooking?

2. How many carbohydrates does corn contain?

3. Delicious food made from corn

4. How to tell if corn is cooked

1

Why does corn turn yellow after cooking?

Corn is divided into yellow corn, white corn and mixed corn according to the color of corn kernels. If yellow corn turns yellow after cooking, it is the result of the action of lutein and zeaxanthin in corn. If white corn turns yellow after cooking, it may be that this corn is a lighter yellow corn. Mixed corn also contains a small amount of lutein and zeaxanthin, and it will also turn yellow after cooking.

In most cases, the endosperm of mature corn kernels is yellow or white, while the seed coat and endosperm are colorless and transparent.

There are many varieties of corn, which are divided according to their uses: grain and feed varieties, vegetable varieties (glutinous type, sweet type, corn shoot type), processed varieties (sweet corn, corn shoots), popping varieties (special varieties for popcorn), etc.

2

How many carbohydrates does corn contain

The carbohydrate content of every 100 grams of corn is about 22.8 grams. Corn has a relatively comprehensive nutritional composition, generally containing 8.5% protein, 4.3% fat, 73.2% carbohydrates, 0.022% calcium, 0.0016% iron, as well as carotene, vitamin B1, B2, niacin, as well as sitosterol, lecithin, vitamin E, lysine, etc.

Corn has a high vitamin content, 5-10 times that of rice and wheat. The riboflavin contained in corn is a high-nutrient substance that is very beneficial to the human body.

In addition, the nutritional value of specialty corn is higher than that of ordinary corn, and the content of various nutrients such as moisture, active substances, vitamins, etc. in fresh corn is also higher than that in old corn.

3

Corn-based delicacies

The delicacies made from corn include crispy corn, corn pancakes, corn fried rice, corn three cup chicken, corn pork ribs soup, etc. Corn is a sweet and delicious grain crop that can be eaten raw, steamed, stewed, and stir-fried.

Fresh corn can be frozen and stored for about half a month.

There are many types of corn, including sweet corn, black corn, glutinous corn and high-oil corn.

Corn has a relatively comprehensive nutritional content, including protein, fat, carbohydrates, calcium, phosphorus, iron, carotene, vitamins B1, B2, niacin, sitosterol, lecithin, lysine, etc.

4

How to tell if corn is cooked

You can tell whether the corn is cooked by looking at its color. Generally, the color of raw corn is brighter. When the corn is cooked, the color will become darker. Raw corn will have juice when you pinch it with your hand, while cooked corn will not. You can also try the taste. Unripe corn has a slightly starchy taste, while cooked corn does not.

Corn, also known as corn, corn cob, maize, pearl rice, etc., is an annual herbaceous plant of the Poaceae family.

Compared with traditional food crops such as rice and wheat, corn has strong drought resistance, cold resistance, and barrenness resistance, as well as excellent environmental adaptability. It is an important food crop in the world.

In most cases, the endosperm of mature corn kernels is yellow or white, while the seed coat and endosperm are colorless and transparent. Depending on the color of the corn kernels, there are three types of corn: yellow corn, white corn, and mixed corn.

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