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A kind of fresh-keeping method of Ge Xianmi ecological simulation

A kind of Gexianmi, ecological technology, applied in the field of Gexianmi ecological simulation fresh-keeping, to achieve the effect of improving self-resistance, eliminating the need for temperature control and simple operation

Active Publication Date: 2020-09-25
CHANGDE YANDI BIOTECH LTD CO +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Analysis of literature data shows that there is no fresh-keeping method for the fresh and alive algae of Gexianmi. In summary, it is urgent to develop a low-cost, effective, and room-temperature preservation method suitable for the fresh and alive algae of Gexianmi

Method used

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  • A kind of fresh-keeping method of Ge Xianmi ecological simulation

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for ecologically simulated fresh-keeping of Gexianmi, comprising the following steps:

[0022] Step 1. Remove damage: select the fresh and live algae of Gexianmi at the mature stage, clean them, remove the damaged individuals, and drain the water on the surface of the algae;

[0023] Step 2. Sterilization of algae surface: Pour the Gexian rice in step 1 into the sterile water prepared in advance, pass in dust-free air, stir and wash 3 times, and then use ultraviolet light to avoid light for 4 hours;

[0024] Step 3. Prepare soil leach solution: take fertile soil and dry it, add mineral water to the container, take the dried soil at 200g / L and put it into the mineral water in the container, boil it in a water bath at 100°C for 4 hours, Cool to normal temperature, boil and cool in this way for three times, settle, absorb the supernatant, filter and sterilize to obtain the product;

[0025] Step 4, prepare agar base: according to the dilution volume ratio of 3:1,...

Embodiment 2

[0029] A method for ecologically simulated fresh-keeping of Gexianmi, comprising the following steps:

[0030] Step 1. Remove damage: select the fresh and live algae of Gexianmi at the mature stage, clean them, remove the damaged individuals, and drain the water on the surface of the algae;

[0031] Step 2: Sterilize the surface of algae: Pour the kudzu rice in step 1 into the sterile water prepared in advance, pass in dust-free air, stir and wash 3 times, and then use ultraviolet light to avoid light for 6 hours;

[0032] Step 3. Prepare soil leach solution: take fertile soil and dry it, add mineral water to the container, take the dried soil at 200g / L and put it into the mineral water in the container, boil it in a water bath at 100°C for 4 hours, Cool to normal temperature, boil and cool in this way for three times, settle, absorb the supernatant, filter and sterilize to obtain the product;

[0033] Step 4, prepare agar base: according to the dilution volume ratio of 3:1, ...

Embodiment 3

[0037] A method for ecologically simulated fresh-keeping of Gexianmi, comprising the following steps:

[0038] Step 1. Remove damage: select the fresh and live algae of Gexianmi at the mature stage, clean them, remove the damaged individuals, and drain the water on the surface of the algae;

[0039] Step 2. Sterilization of algae surface: Pour the Gexianmi in step 1 into the sterile water prepared in advance, pass in dust-free air, stir and wash 3 times, and then use ultraviolet light to avoid light for 8 hours;

[0040] Step 3. Prepare soil leach solution: take fertile soil and dry it, add mineral water to the container, take the dried soil at 200g / L and put it into the mineral water in the container, boil it in a water bath at 100°C for 4 hours, Cool to normal temperature, boil and cool in this way for three times, settle, absorb the supernatant, filter and sterilize to obtain the product;

[0041] Step 4, prepare agar base: according to the dilution volume ratio of 3:1, us...

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Abstract

The invention discloses a method for ecological simulation preservation of nostoc sphaeroids kutz. The method comprises the following steps: removing damaged nostoc sphaeroids kutz, sterilizing the surface of the nostoc sphaeroids kutz, preparing soil extract, preparing agar, paving and receiving light. The method keeps the physiological activity of the nostoc sphaeroids kutz by simulating the ecological environment of the nostoc sphaeroids kutz, and improves the resistance capacity to the external environment, thereby achieving the purpose of preservation. During the process of adoption of the method, the nostoc sphaeroids kutz absorbs nutrition and water in the agar, performs photosynthetic growth through supplemented light sources, and maintains the original physiological activity, andmeanwhile promotes the accumulation of biomass; within an appropriate temperature range, the physiological activity of the nostoc sphaeroids kutz is maintained, a temperature control link can be canceled at normal temperature, added nutrition is extracted from soil, and the cost is lower; the method is simple to operate, convenient and effective, and ensures that the quality guarantee period of the nostoc sphaeroids kutz can reach 90 to 100 days. Preservatives are not required to be added during the process of preservation, and the method belongs to a green and safe preservation method.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to a method for ecologically simulated and fresh-keeping of Gexianmi. Background technique [0002] Gexianmi is the common name of Nostoc sphaeoides Kützing in Nostoc Vauch, which belongs to Cyanophyta, Cyanophyceae, Nostocales, Nostocaceae ). Gexianmi, also known as green bird's nest, is very precious and a good product for both food and medicine. The water content of Gexianmi is as high as 98%, and it is easy to dehydrate during the fresh-keeping process, which will cause the appearance of Gexianmi to become "flat" and wrinkled on the surface. The content of protein and polysaccharide in kudzu rice is high, and it is easily spoiled by microorganisms. Therefore, there are two major difficulties in keeping Gexianmi fresh: one is to prevent dehydration of Gexianmi, and the other is to prevent corruption of Gexianmi. [0003] Due to the short shelf life of fresh Gexian rice, it is dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N1/04C12R1/01
CPCC12N1/04C12N1/20
Inventor 王卫周丰易思富阳武雄候丽华彭锦桃郭小玲
Owner CHANGDE YANDI BIOTECH LTD CO
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