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Fresh-preserving and storage technology of cordyceps sinensis

A technology of Cordyceps sinensis and technology, which is applied in the field of fresh-keeping and storage technology of Cordyceps sinensis, can solve the problems of long-term quality and freshness preservation of Cordyceps sinensis, and the problems that Cordyceps sinensis is easy to absorb moisture, damp and moldy, etc. delicious effect

Inactive Publication Date: 2015-03-18
齐生伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first method of the above two storage methods has many defects, and it cannot actually solve the storage problem of long-term quality and freshness of Cordyceps sinensis
Although the second method has been greatly improved, there are defects and deficiencies in its technical method, that is, the water absorption of Cordyceps sinensis will affect its quality. In addition, due to the lack of special sterilization links, freeze-dried Cordyceps sinensis is easy to absorb moisture, and sterilization Incomplete, if you are not careful, it may be damp, moldy and deteriorated

Method used

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  • Fresh-preserving and storage technology of cordyceps sinensis

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Experimental program
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specific Embodiment 1

[0026] Take the freshly harvested Cordyceps sinensis, manually remove impurities and rotten Cordyceps sinensis, clean and screen the Cordyceps sinensis with an ultrasonic cleaning machine, carry out water retention molding, and make the water content of Cordyceps sinensis 30%-40%, and then classify according to the diameter of Cordyceps sinensis , lower the temperature of the freezer to -45°C, then put the graded Cordyceps sinensis into the freezer for 3 hours to pre-freeze, and then carry out vacuum freeze-drying. The temperature is controlled at 18°C, the thickness of the material is 6mm, and the drying time is 15 hours; the desorption drying temperature is 20°C, the pressure of the freezing chamber is 17Pa, and the drying time is 3 hours. Inject ozone into the vacuum freeze-drying chamber for sterilization. After 60 minutes, put the sterilized Cordyceps sinensis into a special glass bottle filled with nitrogen and encapsulated.

specific Embodiment 2

[0027] Method and step are all identical with embodiment 1, just process condition has changed. The temperature of pre-freezing is -45°C, vacuum freeze-drying is carried out after 3 hours of pre-freezing, the temperature of sublimation drying is -36°C, the pressure of the freezing chamber is 25Pa, the temperature control of the heating plate is 10°C, the thickness of the material is 8mm, and the drying time is 12 hours; desorption The drying temperature is 25°C, the pressure of the freezing chamber is 23Pa, the time is 2.5 hours, the ozone concentration during sterilization is 130ppm, and the sterilization time is 60 minutes.

[0028] Adopting the fresh-keeping storage technology of the present invention makes the active substance of Cordyceps sinensis non-denatured, the loss of components is small, and the original characteristics are well maintained. Since the water content of Cordyceps sinensis can be controlled at 2-3% in the process of vacuum freeze-drying, through sterili...

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Abstract

The invention discloses a fresh-preserving and storage technology of cordyceps sinensis. The technology includes following steps: (1) selecting fresh cordyceps sinensis; (2) cleaning the cordyceps sinensis through an ultrasound cleaning machine; (3) performing water-retention shaping; (4) homogenizing and classifying the raw material; (5) decreasing the temperature in a freezing tank to -45 - -50 DEG C, and pre-freezing the homogenized cordyceps sinensis in the freezing tank for 3 hours; (6) performing vacuum sublimation drying at -30 - -40 DEG C with the pressure in a freezing chamber being 28-10 Pa, the temperature of a heating disk being controlled to be not higher than 18 DEG C, the thickness of the material being not more than 10mm and a drying time being 10-15 hours; and performing desorption drying with the temperature being 20-25 DEG C, the pressure in the freezing chamber being 30-10 Pa and a time being at least 2 hours; (7) performing sterilization with the concentration of ozone being more than 120 ppm and a sterilization being 60 min; and (8) feeding the cordyceps sinensis in a special glass bottle with nitrogen filled to packaging the cordyceps sinensis. The technology is sanitary and safe. The cordyceps sinensis is convenient to carry, is good in reconstitution property and is suitable for long-period storage in normal situation.

Description

technical field [0001] The invention relates to the technical field of preservation of animals and plants, in particular to a preservation and storage process of Cordyceps sinensis. Background technique [0002] Cordyceps sinensis is a composite of the subseat of the Ergotaceae plant Cordyceps sinensis and the larval corpses of the parasitic bat family insect grass bat moth Hepialus armiricanus Oberthur, etc. It is a rare and well-known product of Tibetan medicine in my country. It has the effects of nourishing the kidney and strengthening yang, nourishing the lungs and relieving asthma, and stopping bleeding and resolving phlegm. Cordyceps sinensis is mainly distributed in my country's Qinghai-Tibet Plateau and its surrounding areas at an altitude of 3000-5500 meters. At present, the national output is maintained at 100-200 tons, and the output is very limited. The market demand is scarce and the price is high. [0003] Cordyceps sinensis is a rare and precious medicinal m...

Claims

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Application Information

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IPC IPC(8): A61K36/068
CPCA61K36/068A61K2236/10A61K2236/13A61K2236/17
Inventor 齐生伟
Owner 齐生伟
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