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Preparation method of freeze-dried fruits of trichotomous evodia and product thereof

A dogwood and freeze-drying technology, which is applied in the field of preparation of freeze-dried dogwood, can solve the problems of nutrient loss, high energy consumption, and short drying time, and achieve the effects of high nutrient content, low temperature, and short heating time

Inactive Publication Date: 2021-01-05
九信(武汉)中药研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method overcomes the defect of easy discoloration in the prior art. By adopting vacuum freeze-drying technology during drying, the change of color deepening caused by ordinary drying methods from fresh products to dry products is reduced, and at the same time, it is optimized during packaging. Vacuum packaging technology is adopted to slow down the deepening and change of color during storage, and it is easy to preserve; it overcomes the defect of easy agglomeration in the prior art, and the product has low moisture content and is easy to obtain through vacuum freeze-drying, which indirectly reduces adhesion. The vacuum packaging is used to prevent or delay the water absorption and adhesion of the product due to the influence of external humidity; to overcome the defect of high energy consumption in the prior art, by sublimating and drying the medicinal materials in a frozen state, the drying time is short, the efficiency is high, and the low temperature condition is also stable. It is possible to reduce the impact on the change of polysaccharide composition; overcome the defect of nutrient loss in the prior art, and complete the drying at a lower temperature (20-40°C) through vacuum freeze-drying technology, reduce the loss of the extract part, and retain more More nutrients, so that the color of the prepared product is closer to fresh products, the content of extracts and nutrients is higher, and it is easier to preserve

Method used

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  • Preparation method of freeze-dried fruits of trichotomous evodia and product thereof
  • Preparation method of freeze-dried fruits of trichotomous evodia and product thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) After picking the fresh dogwood fruit, put it in boiling water for a while, pick it up quickly when the pulp softens, rinse it with cold water in time, and drain the water. Squeeze and remove the core with a dogwood corer or manually remove the core to obtain fresh pulp.

[0032] (2) Put the fresh pulp in the vacuum freeze dryer, turn on the freezing mode: the freezing temperature is -20°C, the freezing time is 5 hours, and the thickness of the material is 2cm; then start the vacuum drying procedure: the vacuum degree is 1Pa, and the drying temperature is 20 ℃, the time is 28 hours, and the thickness of the material is 2cm. The dried pulp is taken out and vacuum-packed for preservation.

Embodiment 2

[0034] (1) After picking the fresh dogwood fruit, put it in boiling water for a while, pick it up quickly when the pulp softens, rinse it with cold water in time, and drain the water. Squeeze and remove the core with a dogwood corer or manually remove the core to obtain fresh pulp.

[0035] (2) Put the fresh pulp in the vacuum freeze dryer, turn on the freezing mode: the freezing temperature is -35°C, the freezing time is 3 hours, and the thickness of the material is 5cm; then start the vacuum drying procedure: the vacuum degree is 5Pa, and the drying temperature is 40 ℃, time 20 hours, pavement thickness 5cm.

Embodiment 3

[0037] (1) After picking the fresh dogwood fruit, put it in boiling water for a while, pick it up quickly when the pulp softens, rinse it with cold water in time, and drain the water. Squeeze and remove the core with a dogwood corer or manually remove the core to obtain fresh pulp.

[0038] (2) Put the fresh pulp in the vacuum freeze dryer, turn on the freezing mode: the freezing temperature is -25°C, the freezing time is 4 hours, and the thickness of the material is 4cm; then start the vacuum drying procedure: the vacuum degree is 3Pa, and the drying temperature is 30 ℃, time 25 hours, pavement thickness 4cm.

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Abstract

The invention provides a preparation method of freeze-dried fruits of trichotomous evodia and a product thereof, and belongs to the technical field of traditional Chinese medicinal material processing. The preparation method of the freeze-dried fruits of trichotomous evodia comprises the following steps: taking fruits of trichotomous evodia as a raw materials; removing kernels; and carrying out freezing, vacuum drying, vacuum drying and the like. The preparation method of the freeze-dried fruits of trichotomous evodia provided by the invention is high in production efficiency, short in total processing time, low in temperature, low in energy consumption, reduced in production cost, and improved in production efficiency. The freeze-dried product prepared by the preparation method provided by the invention is bright in color, low in water content, not serious in adhesion condition, and high in product extract and nutrient content.

Description

technical field [0001] The invention relates to the technical field of processing traditional Chinese medicinal materials, in particular to a preparation method of freeze-dried Cornus officinalis and a product thereof. Background technique [0002] Cornus officinalis is the dried and mature pulp of Cornus officinalis Sieb.et Zucc. Cornus officinalis fruit is harvested when the pericarp turns red in late autumn and early winter. After the fresh fruit is harvested, it becomes pulp after processing. The pulp is irregularly flaky or sac-shaped, and the surface is purple-red to purple-black, shrunken and shiny; It is soft, slightly gas, sour, astringent, and slightly bitter; it has the functions of nourishing the liver and kidney, reducing astringency and solidifying, and is a commonly used traditional Chinese medicine in clinical practice. Modern studies have proved that Cornus officinalis contains various components, such as organic acids, iridoid glycosides, tannins, polysacc...

Claims

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Application Information

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IPC IPC(8): A61K36/40F26B5/06A61K131/00
CPCA61K36/40A61K2236/17F26B5/06
Inventor 薄雯映沈华吴卫刚杨群付伟
Owner 九信(武汉)中药研究院有限公司
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