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Composite fresh-keeping method of Gastrodia elata

A compound fresh-keeping and Gastrodia elata technology, which is applied in food preservation, pharmaceutical formulations, medical preparations containing active ingredients, etc., can solve the problems of chemical residues, loss, and ineffective effects, so as to prolong the storage time, improve the edible rate, The effect of low cost of the method

Inactive Publication Date: 2018-11-30
GUIYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there are a series of problems in the sales of fresh products: Gastrodia elata harvesting period is concentrated and short, and it is easy to lose the fresh food market due to the warmer weather and rainy weather, which leads to the loss of medicinal and nutritional components.
These methods can extend the storage period of Gastrodia elata to a certain extent, but the effect is not obvious, and there are certain chemical residue problems
At present, there is no report on composite fresh-keeping technology in the field of Gastrodia elata preservation

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0025] A composite fresh-keeping method for fresh Gastrodia elata, comprising the following steps:

[0026] (1) Soak the harvested fresh Gastrodia elata with 0°C composite fresh-keeping cooling liquid for 3 minutes, remove and clean Gastrodia elata in a ventilated environment at 10°C until the surface is dry; the composite fresh-keeping cooling liquid is 0.5 A mixed solution of % citric acid and 0.25% ascorbic acid;

[0027] (2) pack the Gastrodia elata with surface dryness into a fresh-keeping bag, and irradiate it with ultraviolet light with a wavelength of 253nm for 25min;

[0028] (3) The irradiated Gastrodia elata was placed in an ultra-low temperature environment of -85°C for 24 hours, then taken out and placed in an environment of -65°C for 3 days, and finally transferred to an environment of -20°C for long-term storage.

Embodiment 2

[0030] A composite fresh-keeping method for fresh Gastrodia elata, comprising the following steps:

[0031] (1) Soak the fresh Gastrodia elata after picking with 3°C composite fresh-keeping cooling liquid for 8 minutes, remove and clean Gastrodia elata and spread it in a ventilated environment of 20°C until the surface is dry; the composite fresh-keeping cooling liquid is 0.5 A mixed solution of % citric acid and 0.25% ascorbic acid;

[0032] (2) Pack the Gastrodia elata with surface drying into the fresh-keeping bag, and irradiate it with ultraviolet light with a wavelength of 254nm for 35min;

[0033] (3) The irradiated Gastrodia elata was placed in an ultra-low temperature environment of -75°C for 24 hours, then taken out and placed in an environment of -55°C for 3 days, and finally transferred to an environment of -16°C for long-term storage.

Embodiment 3

[0035] A composite fresh-keeping method for fresh Gastrodia elata, comprising the following steps:

[0036] (1) Soak the harvested fresh Gastrodia elata with 1°C composite fresh-keeping cooling liquid for 5 minutes, remove and clean Gastrodia elata and spread it in a ventilated environment at 15°C until the surface is dry; the composite fresh-keeping cooling liquid is 0.5 A mixed solution of % citric acid and 0.25% ascorbic acid;

[0037] (2) pack the Gastrodia elata with surface dryness into a fresh-keeping bag, and irradiate it with ultraviolet light with a wavelength of 253.7nm for 30min;

[0038] (3) The irradiated Gastrodia elata was placed in an ultra-low temperature environment of -80°C for 24 hours, then taken out and placed in an environment of -60°C for 3 days, and finally transferred to an environment of -18°C for long-term storage.

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Abstract

The invention belongs to the technical field of agricultural product storage and fresh-keeping, and in particular relates to a composite fresh-keeping method of Gastrodia elata, the method includes the following steps: composite fresh-keeping coolant immersion, ultraviolet irradiation, and freezing treatment; the method can prolong storage time and improve edible rate, has the advantages of low cost, simple operation, no need to add chemical drugs, and no drug residue problem, and is an efficient, energy-saving, green and safe fresh gastrodia elata composite preservation method.

Description

technical field [0001] The invention relates to a fresh-keeping method for medicinal and edible plants, belongs to the technical field of storage and fresh-keeping of agricultural products, and in particular relates to a composite fresh-keeping method for fresh Gastrodia elata. Background technique [0002] With the improvement of living standards, people pay more and more attention to health preservation. Fresh ginseng, heterophylla, Polygonum multiflorum, Gastrodia elata and other medicinal and edible foods are loved by more and more consumers and have become the new favorites on the dining table. Gastrodia elata is warm in nature. The main active ingredients are gastrodin, p-hydroxybenzaldehyde, p-hydroxybenzyl alcohol and adenosine. It has various effects such as calming sleep, lowering blood pressure, improving memory and regulating immune function. [0003] At present, Gastrodia elata is mainly used as a medicinal material through processing, mainly for special groups...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/3508A23L3/3499A23L3/36A23L3/28A61K36/8988
CPCA23L3/28A23L3/3499A23L3/3508A23L3/36A61K36/8988Y02A40/90
Inventor 李莹王瑞曹森刘志刚赵治兵
Owner GUIYANG UNIV
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