Gastrodia, such as fresh sales, as long as the harvest does not collide, do not beat, no mechanical injuries, etc., and then use a soft brush to gently remove the sand on the hemp body, into a soft-lined wooden box or plastic box. If dry hemp is processed, the method is more complicated. Generally, it is cooked by boiling or cage steaming, and then dried or dried. In practice, cage steaming and bake drying methods are generally used for dry production. The operation process is: selection—washing—steaming—baking. 1. According to the weight of the gastrodia elata, the grade is divided into 50 grams, that is, 50 grams or less, 50-99 grams, 100-150 grams, 151-200 grams, or more than 201 grams, respectively, and they are discarded at the same time. Rotten and other unqualified products. 2. Wash with water to wash the surface of the body sand. 3. The cage steamed the washed gastrodia and steamed it. The general practice is: After the fire boils the water, first put the largest gastrodia, steaming about 5-6 minutes after the big fire, and then put the next big gastrodin to continue steaming, 5-6 minutes after the head slightly smaller Gastrodia elata, then steamed for about 5-6 minutes, and finally into the small Gastrodia, steaming about 5-6 minutes later, generally all steamed. During the steaming process, attention should be paid: Whenever one tray is filled with raw hemp, the original cage should be lifted and the new steamer should be placed in the lowest level. Examine the degree of ripeness to be ripe, no hard core shall prevail. 4. The simmered broilers were fired to a temperature of 50°C, and the cooked sesames were arranged in a single layer and turned over once every 30 minutes. The temperature was increased by 10°C every 60 minutes, and the temperature was no longer raised at a maximum temperature of 80°C. The temperature was maintained until drying. The main points of the bake-drying process are: When the bake is dry, the bast body is very soft, and the bast body is lightly pressed with a clean and smooth wood board. The purpose is to make it flat and straight, with higher transparency, and easier to use during use. Broken, but also easy to measure, the work can be carried out during the baking process flip body. To improve the commodity value of gastrodia, we can start from three aspects: First, strict grading. Every time cooked and dried, only one type of gastrodia is used to control the heat. Second, after the hemp body is washed, the rough appearance, spots, etc. of Tianma are removed with a roller-rolling machine. Thirdly, during the baking process, there will be air bubble protrusions under the skin of the worm body, which can be punctured and deflated using very fine bamboo needles, and the surface of the skin can be pressed and flattened.
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