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Fresh-keeping agent and application thereof, and method for preserving polygonum viviparum bulbil by utilizing fresh-keeping agent

The technology of a preservative and Polygonum vulgaris is applied in the field of planting of traditional Chinese medicinal materials, which can solve the problems of consumption of nutrients, loss of vitality of the buds, and easy moulding of the buds, and achieves the effects of simple process operation, prolonging the preservation time and prolonging the preservation period.

Inactive Publication Date: 2020-06-19
DONGGUAN HEC CORDYCEPS R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the preservation of bulbils is very simple and extensive. Generally, after removing impurities, they are packed in snakeskin bags and stored in cold storage. During the preservation process, air-drying and dehydration are prone to occur. After dehydration, bulbils are prone to mold, which makes the bulbils lose their vitality and cannot germinate. In addition, if the humidity of the bulbil storage environment is kept suitable, the bulbils will not be air-dried, but the bulbils can take root and grow buds even at low temperature, and consume their own nutrients, which will also affect the germination rate of the bulbils and greatly shorten the storage period of the bulbils
Therefore, the current preservation of bulbils is no more than 3 months, which is far from meeting the requirements of preservation time.

Method used

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  • Fresh-keeping agent and application thereof, and method for preserving polygonum viviparum bulbil by utilizing fresh-keeping agent
  • Fresh-keeping agent and application thereof, and method for preserving polygonum viviparum bulbil by utilizing fresh-keeping agent
  • Fresh-keeping agent and application thereof, and method for preserving polygonum viviparum bulbil by utilizing fresh-keeping agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Remove the impurities from the harvested bulbils, and remove the leaves, flower spikes and shriveled bulbils with poor quality from the fresh Polygonum bulbils by winnowing machine;

[0026] Spray the bulbil surface with an aqueous preservative solution, wherein the preparation process of the aqueous preservative solution is: mix and dissolve 2g glycerin, 0.05g natamycin, and 0.05g methyl naphthalene acetate in water, add water to make it 100mL, and obtain the preservative Aqueous solution, spray the prepared 100mL preservative solution evenly on the surface of 1kg bulbils, then place in a ventilated place, and dry the moisture on the bulbil surface;

[0027] The bulbils after drying are packed in polyethylene film bags, and then stored in a cold store. The storage conditions are 3-5° C. of temperature and 70-85% relative humidity. The film thickness of polyethylene film bag is 0.04mm, and film bag length is 28cm, and width is 20cm.

Embodiment 2

[0029] Remove the impurities from the harvested bulbils, and remove the leaves, flower spikes and shriveled bulbils with poor quality from the fresh Polygonum bulbils by winnowing machine;

[0030] Spray the bulbil surface with an aqueous preservative solution, wherein the preparation process of the aqueous preservative solution is: mix and dissolve 1 g of chitosan, 0.05 g of natamycin, and 0.05 g of methyl naphthalene acetate in water, add water to make the volume to 100 mL, and obtain Antistaling agent aqueous solution, spray the prepared 100mL preservative solution evenly on the surface of 1 kg of bulbils, then place in a ventilated place, and dry the moisture on the surface of bulbils;

[0031] The bulbils after drying are packed in polyethylene film bags, and then stored in a cold store. The storage conditions are 3-5° C. of temperature and 70-85% relative humidity. The film thickness of polyethylene film bag is 0.04mm, and film bag length is 28cm, and width is 20cm.

Embodiment 3

[0033] Remove the impurities from the harvested bulbils, and remove the leaves, flower spikes and shriveled bulbils with poor quality from the fresh Polygonum bulbils by winnowing machine;

[0034] Spray bulbil surface with preservative aqueous solution, wherein the preparation process of preservative aqueous solution is: 1g chitosan, 2g glycerin, 0.05g methyl naphthalene acetate are mixed and dissolved in water, add water and make up to 100mL, promptly obtain preservative aqueous solution, Spray the prepared 100mL preservative solution evenly on the surface of 1kg of bulbils, and then place in a ventilated place to dry the moisture on the bulbil surface;

[0035] The bulbils after drying are packed in polyethylene film bags, and then stored in a cold store. The storage conditions are 3-5° C. of temperature and 70-85% relative humidity. The film thickness of polyethylene film bag is 0.04mm, and film bag length is 28cm, and width is 20cm.

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Abstract

The invention relates to the technical field of planting of traditional Chinese medicinal materials, and particularly discloses a fresh-keeping agent and application thereof, and a method for preserving bulbil by using the fresh-keeping agent preservative. The fresh-keeping agent disclosed by the invention is prepared from active ingredients including chitosan, glycerinum, natamycin and methyl naphthalene acetate, wherein the active ingredients have a remarkable synergistic interaction effect. According to the invention, after impurity removal, harvested polygonum viviparum bulbil are sprayedwith the fresh-keeping agent, and then the polygonum viviparum bulbil is preserved in a refrigeration house, so that the preservation time of the polygonum viviparum bulbil can be remarkably prolonged, and the seeding of the bulbil in the spring of the next year after harvesting can be completely realized.

Description

technical field [0001] The invention relates to the technical field of planting traditional Chinese medicinal materials, in particular to a preservative, and also relates to the application of the preservative and a method for preserving bulbils by using the preservative. Background technique [0002] At present, the artificial planting of Polygonum viburnum mainly utilizes bulbils for propagation and cultivation. The bulbil is the vegetative organ of Polygonum viburnum. It is born on the inflorescence. The bulbil and the flowers develop synchronously. The bulbil can attach to the mother plant to germinate leaf buds when it is not shed. [0003] During artificial planting at present, the bulbils of Polygonum viburnum will be harvested and sowed along with it. Generally, fresh bulbils are harvested around June every year, and planted by ditching and drilling. If the bulbils cannot be harvested and sown at the same time, they need to be placed in a cool place at low temperatu...

Claims

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Application Information

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IPC IPC(8): A01N3/00
CPCA01N3/00
Inventor 王智荣谢俊杰程媛蒙阳陆永国肖伟军
Owner DONGGUAN HEC CORDYCEPS R&D CO LTD
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