Fresh-kept gastrodia elata tubers and making method thereof

Abstract

The invention belongs to the field of fresh keeping of traditional Chinese medicine materials, and particularly relates to fresh-kept gastrodia elata tubers and a making method thereof. The fresh-keptgastrodia elata tubers disclosed by the invention are not cut into slices, so that authenticity recognition is convenient; and the fresh-kept gastrodia elata tubers are in vacuum packaging, so that the fresh-kept gastrodia elata tubers are convenient to transport and store. Citric acid and calcium chloride are used as fresh keeping components, so that the cost is low, the mouth feel and the colorof the gastrodia elata tubers are maintained, and besides, security is guaranteed. When obtained fresh-kept gastrodia elata tuber products are stored within 9 months, microbial indicators do not havesignificant changes; when the fresh-kept gastrodia elata tuber products are stored within 12 months, the texture does not have significant changes; besides, fresh keeping treatment has small influence on the content of gastrodin and the content of 4-hydroxybenzyl alcohol; and when the products are stored with 12 months, small changes on the content of the gastrodin and the content of the 4-hydroxybenzyl alcohol are generated. To sum up, the invention provides a gastrodia elata tuber product which is simple to prepare, low in cost, convenient to transport and store, green and safe, of which the activity of the gastrodia elata tubers is maintained and which can be kept fresh effectively, and the preparation method of the gastrodia elata tuber product.

Description

technical field [0001] The invention belongs to the field of fresh-keeping traditional Chinese medicinal materials, and in particular relates to a fresh-keeping Gastrodia elata and a preparation method thereof. Background technique [0002] Gastrodia elata BI., also known as Chijian, is a perennial herb of the genus Gastrodia elata in the family Orchidaceae. As a commonly used and relatively expensive Chinese medicinal material, Gastrodia elata is mostly used for headaches and dizziness, convulsions in children, epileptic convulsions, limb paralysis, numbness of limbs, rheumatic arthralgia, etc. Fresh Gastrodia elata is not easy to preserve after excavation, and it is very easy to rot. At present, Gastrodia elata products are mostly dry tubers (whole or cut into pieces), and the whole dry product of Gastrodia elata is hard and difficult to process, and it is difficult to distinguish the authenticity of Gastrodia elata after dicing. Fresh-keeping Gastrodia elata is very pop...

AI Technical Summary

Problems solved by technology

It mainly has the following three disadvantages. First, fresh Gastrodia elata will cause the loss of active ingredients such as gastrodin and p-hydroxybenzyl alcohol after being sliced, and it is difficult to distinguish the authenticity; second, the excessive addition of preservatives, such as CN 101152457 A It involves "fresh-keeping Gastrodia elata", in which potassium sorbate is added in an amount of 0.5%, which greatly exceeds the maximum usage amount of 0.5g / kg required in GB 2760 for surface-treated fresh fruits and vegetables. Another example is CN105311433 A involving "a Fresh-keeping Gastrodia elata and its processing method", wherein the amount of chlorine dioxide added is 50-200ppm, which also greatly exceeds the maximum usage amount of 0.01g / kg required in canned fruits and vegetables in GB 2760; third, fresh-keeping The period is short or the storage and preservation period has not been studied, and the loss of the main active ingredients in the product has not been explained

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