Toona sinensis bud contains more nitrite, which increases with the storage time. The results showed that the content of nitrite in salted Toona sinensis was the highest, while the content of nitrite in Toona sinensis blanched in boiling water (blanched in 100℃ boiling water for 30 seconds after washing) was greatly reduced, which was safe to eat.

2 How to make Toona sinensis drowning is very simple. Add water to the pot and boil. After boiling, blanching the prepared fresh Toona sinensis buds in boiling water for one minute can remove more than two-thirds of nitrite and nitrate in oranges, and better preserve vitamin C and its aromatic substances in Toona sinensis. In addition, Toona sinensis should be blanched before curing to reduce the amount of nitrate and nitrite it contains, so that the harm to human body can be minimized after curing.

These patients who are not suitable for eating Toona sinensis 1 and who have yin deficiency and heat excess cannot eat Toona sinensis.

Usually, people with yang deficiency have advantages in eating Toona sinensis. However, patients with yin deficiency and heat excess, such as diabetic patients, have a simple diet and aggravate internal heat, which is not conducive to the recovery of their illness.

2. Patients with ocular complications

You should eat less Toona sinensis, otherwise it will bring bad luck to the treatment of eye diseases.

3. People with chronic diseases

People with "chronic diseases" (chronic diseases), people with weak constitution, people who have just recovered from illness and pregnant women had better not eat them.

4 Selection method of Toona sinensis buds 1, picking season: Toona sinensis buds usually start in early April, and the middle and late April is not very good, so it is best to buy Toona sinensis buds in early mid-April.

2, choose the length: choose a short toon bud, because the long toon bud takes a long time, the stem is hard, and it is not delicious. Never choose a long one.

3, choose the thickness: When choosing a toon bud, you should carefully look at its thickness, especially the stalk. The stem thickness indicates that it is a new bud, which is very fresh. Don't choose a thin one. The thin one is an old Toona sinensis.

4. Choose fresh and tender: I want to buy fresh and tender Toona sinensis buds, don't look at the leaves of Toona sinensis buds. Fresh Toona sinensis buds are also fresh and not easy to be broken. If the leaves of the Toona sinensis bud fall off with a light touch, it proves that the Toona sinensis bud has been placed for a long time. Never buy fallen Toona sinensis buds, which contain nitrite that is not good for your health.

5. Smell the fragrance: Then, when you buy it, you should smell the faint fragrance of this Toona sinensis bud. If so, then this Toona sinensis bud is relatively fresh.