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Cordyceps sinensis vacuum freeze-drying processing method

A technology of Cordyceps sinensis and a processing method, which is applied in the directions of drying, drying solid materials, lighting and heating equipment, etc., can solve the problems of difficult control of water content, browning of color, and shrinking volume of Cordyceps

Inactive Publication Date: 2016-07-06
王元龙 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a vacuum freeze-drying processing method of Cordyceps sinensis to solve the problems that the water content of Cordyceps sinensis is not easy to control, the volume of Cordyceps sinensis is reduced during the drying process, and the color and luster is seriously browned.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1. is prepared through the following steps:

[0016] a. Picking fresh Cordyceps sinensis: place 788g fresh Cordyceps sinensis on heating plate A, place 725g fresh Cordyceps sinensis on heating plate B, place 760g fresh Cordyceps sinensis on heating plate C, and start the JDG-0.2 vacuum freeze dryer:

[0017] b. Pre-freezing: the freezing temperature is minus 28°C, and the freezing time is 8 hours;

[0018] c. Formulate process curve: temperature 55.8°C, time 21.2hr, vacuum degree 6.6P a , cold trap minus 47.8°C

[0019] d. Vacuum freeze-drying: drying temperature 55.8 ℃, drying time 21.2hr,

[0020] e. Finished Cordyceps sinensis.

[0021] f. Packaging preservation.

Embodiment 2

[0022] Embodiment 2. is prepared through the following steps:

[0023] a. Harvesting fresh Cordyceps sinensis: place fresh Cordyceps sinensis on the heating plate, and start the JDG-0.2 vacuum freeze dryer:

[0024] b. Pre-freezing: the freezing temperature is minus 15°C, and the freezing time is 5 hours;

[0025] c. Formulate process curve: temperature 35°C, time 15hr, vacuum degree 4.9P a , cold trap minus 49.5°C

[0026] d. Vacuum freeze-drying: drying temperature 22°C, drying time 5hr,

[0027] e. Finished Cordyceps sinensis.

[0028] f. Packaging preservation.

Embodiment 3

[0029] Embodiment 3. is prepared through the following steps:

[0030] a. Harvesting fresh Cordyceps sinensis: place fresh Cordyceps sinensis on the heating plate, and start the JDG-0.2 vacuum freeze dryer:

[0031] b. Pre-freezing: the freezing temperature is minus 30°C, and the freezing time is 10 hours;

[0032] c. Formulate process curve: temperature 55°C, time 34hr, vacuum degree 9.3P a , cold trap minus 7.2°C

[0033] d. Vacuum freeze-drying: drying temperature 58.2 ℃, drying time 20hr,

[0034] e. Finished Cordyceps sinensis.

[0035] f. Packaging preservation.

[0036] The present invention is not limited to the present example. The applicant has done 18 experiments before and after the experiment, using 39441.2 g of fresh Cordyceps sinensis and 10655.6 g of vacuum freeze-dried Cordyceps sinensis, with a drying rate of 26.7% and 519 hours. See Example 1 for the production process parameters for finally obtaining the best vacuum freeze-dried Cordyceps sinensis.

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Abstract

The invention discloses a vacuum freeze-drying processing method of Cordyceps sinensis, which aims to solve the problems that the water content of the Cordyceps sinensis is not easy to control, the volume of the Cordyceps sinensis shrinks in the drying process, and the color and luster is seriously browned. The preparation steps are as follows: collecting fresh Cordyceps sinensis, pre-freezing, testing and debugging process parameters, formulating a process curve, vacuum freeze-drying, and packing and storing the finished Cordyceps sinensis. Utilizing the dried Cordyceps sinensis of the present invention can maintain the original physiological activity to the greatest extent, so that the various natural functional components contained in it can be protected to the greatest extent during the drying process, and the natural shape can be kept basically unchanged and the sense organs can be improved. Quality basically solves the current technical barriers of poor sensory indicators after drying and difficult to preserve functional ingredients of Cordyceps. The obtained product has stable and safe quality, realizes the value-added of Cordyceps sinensis, and has huge economic benefits and market development prospects.

Description

technical field [0001] The invention belongs to the field of medicinal material processing and relates to a vacuum freeze-drying processing method of Cordyceps sinensis. Background technique [0002] Cordyceps sinensis is a precious Chinese herbal medicine in my country, and it is listed as the three major tonics in China together with ginseng and antler. As early as 1757, in "Materia Medica Congxin", there is a record that "Cordyceps sinensis is sweet and flat, protects the lungs, nourishes the kidneys, nourishes the essence, stops bleeding and resolves phlegm, and is good for treating diaphragmatic diseases." Traditional Chinese medicine believes that Cordyceps enters the two meridians of the lung and kidney, which can not only nourish the lung yin, but also nourish the kidney yang. The only traditional Chinese medicine that can balance and regulate Yin and Yang at the same time. Cordyceps sinensis is not a "worm" in winter and a "grass" in summer. Its essence is a fungu...

Claims

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Application Information

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IPC IPC(8): F26B5/06
Inventor 王元龙旦智草
Owner 王元龙
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