If there is not much fresh gastrodia elata, after washing and drying, it can be wrapped in newspapers and plastic bags and put into the freezer for refrigeration, which can generally be kept for two months. You can also clean fresh gastrodia elata, dry the surface moisture, and then put it in the freezer of the refrigerator, which can be stored for more than one year.
If you want to keep it longer, you can cook fresh gastrodia elata, slice it, dry it and put it in the refrigerator. It should be noted that no matter which method, the preservation time should not be too long, and it should be used up within three months as far as possible. Long-term storage may destroy the effective components of Gastrodia elata and affect its taste and nutritional value. Therefore, it is suggested to buy gastrodia elata in moderation and arrange storage methods reasonably.
Introduction of Gastrodia elata varieties:
1, gastrodia elata
The plant of Gastrodia elata is relatively tall, with a height of 1.5 ~ 2m. The rhizome is dumbbell-shaped, with a large unit weight 1kg and a water content of about 85%. The stems are orange-red, the flowers are yellow and slightly orange-red, and the flowering period is April-May. It is mainly produced in the provinces of the Yellow River Basin and the Yangtze River Basin. Gastrodia elata is an excellent high-yield variety with fast growth and strong adaptability. 1㎡ single yield 10kg or more, with a wide planting range.
2. Green Gastrodia elata
The plant of Gastrodia elata is relatively tall, which can reach1~1.5m. The rhizome is oblong or inverted conical, with dense nodes and many scaly sheaths on the nodes. Gastrodia elata individual weighs 600g, and its water content is about 70%. Its stems are light blue-green, and its flowers are light blue-green to white. The flowering period is from June to July, and it is mainly produced in northeast to southwest provinces.