Preservation method of Toona sinensis bud:
Direct storage: after the bottom of the newly picked Toona sinensis bud is flattened, it is soaked in clear water for one day, drained and put into a fresh-keeping box, which can be stored in a cool and ventilated place for about a week.
Freeze and keep fresh, that is, soak Toona sinensis buds in boiling water for about 1 min until the leaves turn green, then put them in cold water, cool them, drain the water, put them into fresh-keeping bags, and put them in the freezing room at-10℃. This method can be preserved for one year.
Quick-freezing and fresh-keeping: dry the fresh Toona sinensis buds for a period of time, then put them into fresh-keeping bags, squeeze out the air, and freeze them in the freezer. This method can be preserved for a long time. There is no need to clean it before quick freezing, as long as it is thawed and cleaned when it is ready to eat.
Selection of Toona sinensis buds
1. When selecting Toona sinensis, choose Toona sinensis with fresh stems and old terrier buds at the bottom. Toona sinensis buds with dead leaves and yellow leaves are not suitable for purchase. Toona sinensis stems are relatively thick, indicating that they are new buds, while Toona sinensis stems are thin, indicating that they are old Toona sinensis, and the harder the Toona sinensis stems, the older they are.
Second, choose bright buds and short Chinese toon buds, which are not easy to fall off. Those that smell fresh and smelly may be inedible Toona sinensis.
Third, the contents of nitrate and nitrite will gradually increase with time, which is easy to cause poisoning. Therefore, the fresh leaves of Toona sinensis buds should be selected for eating Toona sinensis.
4. Toona sinensis is divided into red-leaf Toona sinensis and green-leaf Toona sinensis according to the color of leaves. Toona sinensis has a red-purple color, early market time, rich fragrance and high oil content.