Why are fresh walnuts bitter? There are several varieties of walnuts.

Walnut, also known as walnut, Qiang peach, etc., is rich in nutrients such as high-quality protein, cellulose, inorganic salts, phospholipids, vitamins, etc. Walnut can effectively nourish the brain. Not only that, the whole walnut is a treasure, but it can also be juiced with other foods. Juicing can make the nutrients of food easier for the human body to absorb. The following content brings you the types of walnuts, so that friends can learn more about it!

Contents of this article

1. Why are fresh walnuts bitter?

2. There are several varieties of walnuts

3. What kind of walnut is best?

Why are fresh walnuts bitter?

1. There is a lot of water in fresh walnuts. If the walnuts cannot breathe, the water cannot evaporate, so the walnuts are bitter. Generally, fresh walnuts need to be dried in the sun.

2. The bitterness of fresh walnuts is mainly due to the brown outer skin of the kernel.

Walnuts are sweet, mild, non-toxic, slightly bitter, and slightly astringent. According to traditional Chinese medicine, the skin of walnut kernels has the effect of astringency and astringency. The bitterness in walnuts mostly comes from the brown skin of the walnut kernels. The brown skin contains tannins, so it tastes a little bitter, which is normal. The fresher the walnut, the more tannins it contains, and it tastes a little more bitter than dry walnuts.

There are several varieties of walnuts

1. Xin Zaofeng. Each variety of Xinjiang walnuts has great differences in shape, taste, nutritional content, etc. The most common one is Xin Zaofeng. The main stem of this type of Xinjiang walnut is relatively short, but it has strong adaptability to the environment and its annual production is also very high.

2. Xincuifeng. Although Xincuifeng and Xinzaofeng have similar names, Xincuifeng has a taller tree shape and is more adaptable to the environment among Xinjiang walnut varieties. Although the fruits it produces are not as many as Xinzaofeng, the fruits are larger and more nutritious.

3. Xin Jufeng. Xin Jufeng is a high-quality walnut variety, which is the result of the improvement of several varieties. Its fruit is relatively large, the annual production is also very high, and its cold resistance is also very strong. Xin Jufeng is sold in almost every market in China, and you can buy it appropriately for consumption on a daily basis.

4. Xinxin No. 2. Xinxin No. 2 is also a relatively common walnut variety. In fact, the shapes of Xinxin No. 2 and Xin Zaofeng are similar, but the fruiting period of Xinxin No. 2 will be about ten days later. Its taste is not only better than Xin Zaofeng, but the nutritional value of the pulp is also high, but the annual production is very low.

5. Xinwen 81. Xinwen 81 is a hybrid of several varieties. It has a strong adaptability to the environment, the core is relatively easy to cut, and the nutritional value is also very high. If you take Xinwen 81 walnuts appropriately every day, it can not only benefit the brain and intelligence, but also have a good anti-aging effect.

What kind of walnut is best?

1. Xiangling: It is produced in Shandong Province. It starts to bear fruit in the second year after grafting. It is relatively drought-resistant and has strong resistance to black spot disease. In Tai'an, Shandong, it germinates in late March, the male flowering period is mid-April, the female flowering period is late April, and the nuts mature in late August.

2. Daifeng: It is produced in Shandong Province. It starts to bear fruit in the second year after grafting and is relatively resistant to drought and black spot disease. In Tai'an area of ​​Shandong Province, it germinates in late March, male flowers bloom in mid-April, female flowers bloom around the 20th, and nuts mature in late August.

3. Fenghui: Originated in Shandong Province, the grafted seedlings bear fruit in two years and have strong disease resistance. In Tai'an area of ​​Shandong, it germinates in late March, the male flowering period is early April, the female flowering period is late April, and the nuts mature in late August.

4. Liaohe No. 1: It is produced in Liaoning Province. It starts to bloom and bear fruit 1-2 years after planting. It is resistant to late frost, drought, barrenness and disease. In Sichuan area, it blooms in April and the nuts mature in mid-to-late August.