Sunflowers bloom towards the sun, so they are also called sunflowers, and they are called "sunflower", implying that they bloom like the sun.

Sunflowers have erect stems and the total height of the flowers is about 2-3.5 meters. In addition to being called sunflowers, sunflowers are also called sunflowers, sunflowers, and sunflowers.

The reason is that the flowers of sunflowers will rotate with the sun and grow towards the direction of the sun. When blooming, the straight stems support golden flowers, which is very beautiful, and the sea of flowers planted in a large area is even more beautiful.

Sunflowers are not only eye-catching, but also have high food value. For example, the popular sunflower seeds and the high-grade sunflower oil processed from its seeds all benefit mankind.

Sunflower seeds are very delicious, rich in protein, various sugars, fats, potassium, calcium, phosphorus, iron, magnesium and vitamins A, B1, B2 and other nutrients. leisure food.

Not only that, it can also be used as an embellishment on various snacks, sunflower seed bread, pastries, etc. Just a question, are sunflower seeds a fruit or a seed? It is estimated that many people will blurt out without thinking: seeds!

Actually, this is not the case. Isn't that the seed of sunflower? It is the fruit of sunflower. The reason why it is mistaken for seeds is probably because it looks too similar to other seeds, such as pumpkin seeds and watermelon seeds, which can also be bought in dried fruit stores.

The definition of fruit in textbooks is an organ formed by pollination and fertilization of the pistil of angiosperms, and the participation of other parts of the ovary or flower.

The petals of the sunflower we see are not like a giant blooming flower as it looks on the outside, but a flower disc composed of thousands of small flowers, and each small sunflower flower in the middle will be It is possible to form sunflower fruit through fertilization, which is the sunflower seed mentioned above.

From the perspective of nutrition, sunflower seeds are rich in unsaturated fatty acids, high-quality protein, potassium, phosphorus, calcium, magnesium, selenium, vitamin E, vitamin B1 and other nutrients; Immunity and prevention of cardiovascular diseases.

Rich potassium is good for protecting the heart and preventing high blood pressure; its phytosterols and phospholipids can inhibit the synthesis of cholesterol in the human body and prevent arteriosclerosis caused by excessive cholesterol in the blood. In addition, sunflower seeds can also regulate brain cell metabolism and help sleep.