Preservation of Gastrodia elata
After processing, Gastrodia elata must be properly preserved to prevent insect moths and mildew, so as not to affect the quality of the product. After the finished Gastrodia elata is made, it should be sealed with a non-toxic plastic containing white paper, or packed with a magnetic altar. Then cover it with clean thick paper and store it in a dry place to prevent it from returning to moisture and mildew. At the same time, it is re-fumigated with sulfur before the annual moth season (March-April) to prevent moth.
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Preliminary report on substitute cultivation of Gastrodia elata
Artificial cultivation of Gastrodia elata mainly uses oak, birch, hazel, elm, willow, jujube, locust, wild cherry and other broad-leaved trunks, and the diameter is more than 5cm. For a long time, forest resources have been seriously damaged and are on the verge of exhaustion. Therefore, the research on substitute cultivation technology of Gastrodia elata has gradually become a hot spot. At present, there are precedents for cultivation of Gastrodia elata with corn shaft, shrub seed, bract rice bone, bract rice pulp, branch, straw and so on, but there is no report about the cultivation of Gastrodia elata with cottonseed husk.
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Preliminary harvesting and processing technology of Gastrodia elata
Gastrodia elata, such as fresh sales, as long as it does not collide, do not hit, and no mechanical scars after harvest, then gently brush off the sediment from the flax body with a soft brush and load it into a soft-lined wooden box or plastic box. If the processing of dry hemp, the method is more complex, generally with water boiling or cage steaming method for ripening, and then drying or sun drying. Cage steaming and Kang drying are generally used in actual production, and the operation process is as follows: grade selection-washing-steaming-Kang drying. 1. The grades are graded according to the weight of Gastrodia elata, that is, less than 50 grams and 50-
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