Fresh-cut aralia elata seem coating material and coating preservation method

A technology of coating fresh-keeping and thorning tender shoots, which is applied in the fresh-keeping field of fresh-cut wild vegetables to achieve the effects of improving food safety, high quality and hygienic quality, and preventing water loss

Inactive Publication Date: 2015-01-28
TONGHUA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to meet the needs of consumers, to provide a fresh-cut thorn bud coating material and a coati

Method used

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  • Fresh-cut aralia elata seem coating material and coating preservation method
  • Fresh-cut aralia elata seem coating material and coating preservation method
  • Fresh-cut aralia elata seem coating material and coating preservation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The method for fresh-cut fresh-cut thorn buds coated with film, the steps are as follows:

[0038] (1) Selection: Select fresh thorn buds without mechanical damage and no pests and diseases.

[0039] (2) Cleaning: Rinse the thorn buds obtained in step (1) with 10°C water to remove surface dust.

[0040] (3) Finishing: Remove the prickles from the prickly buds obtained in step (2) with a sterilized sharp instrument, and trim the prickly buds to a length of 5cm to 7cm.

[0041] (4) Preparation of coating solution: according to the mass fraction of 100%, first dissolve 0.01% clove essential oil in 0.3% ethanol, then mix with 1.75% carboxymethyl chitosan, 0.5% calcium lactate, 1.0% glycerin and 0.5% carboxymethyl The base cellulose sodium solution is mixed, each component should be homogenized when mixing, the time is 6min, and the homogenization speed is 4000r / min.

[0042] (5) Coating: put the fresh-cut thorn shoots obtained in step (3) into the coating liquid obtained ...

Embodiment 2

[0046] The method for fresh-cut fresh-cut thorn buds coated with film, the steps are as follows:

[0047](1) Selection: Select fresh thorn buds without mechanical damage and no pests and diseases.

[0048] (2) Cleaning: Rinse the thorn buds obtained in step (1) with 10°C water to remove surface dust.

[0049] (3) Finishing: Remove the prickles from the prickly buds obtained in step (2) with a sterilized sharp instrument, and trim the prickly buds to a length of 5cm to 7cm.

[0050] (4) Preparation of coating solution: according to the mass fraction of 100%, first dissolve 0.05% clove essential oil in 0.3% ethanol, then mix with 0.75% carboxymethyl chitosan, 0.5% calcium lactate, 1.0% glycerin and 1.0% carboxymethyl The base cellulose sodium solution is mixed, each component should be homogenized when mixing, the time is 6min, and the homogenization speed is 4000r / min.

[0051] (5) Coating: put the fresh-cut thorn shoots obtained in step (3) into the coating liquid obtained i...

Embodiment 3

[0055] The method for fresh-cut fresh-cut thorn buds coated with film, the steps are as follows:

[0056] (1) Selection: Select fresh thorn buds without mechanical damage and no pests and diseases.

[0057] (2) Cleaning: Rinse the thorn buds obtained in step (1) with 10°C water to remove surface dust.

[0058] (3) Finishing: Remove the prickles from the prickly buds obtained in step (2) with a sterilized sharp instrument, and trim the prickly buds to a length of 5cm to 7cm.

[0059] (4) Preparation of coating solution: according to the mass fraction of 100%, first dissolve 0.03% clove essential oil in 0.3% ethanol, then mix with 1.25% carboxymethyl chitosan, 0.5% calcium lactate, 1.0% glycerin and 0.75% carboxymethyl The base cellulose sodium solution is mixed, each component should be homogenized when mixing, the time is 6min, and the homogenization speed is 4000r / min.

[0060] (5) Coating: put the fresh-cut thorn shoots obtained in step (3) into the coating liquid obtained...

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Abstract

The invention discloses a fresh-cut aralia elata seem coating material and a coating preservation method. The method comprises the following steps: (1) selecting; (2) cleaning; (2) tidying; (4) preparing coating liquid; (5) coating; (6) drying; and (7) storing. The coating liquid comprises components of carboxymethyl chitosan, clove essence, glycerol, sodium carboxymethylcellulose, ethanol, calcium lactate and water. The coating material, disclosed by the invention, applied to preservation of fresh-cut aralia elata seem, can preserve original unique flavor and nutritional ingredients of the aralia elata seem to the greatest extent, and save processing time for eating; meanwhile, the coating liquid has such performances as being editable, antibacterial and anti-oxidative, and after coating the surface of the aralia elata seem, the fresh-cut aralia elata seem coating material can reduce respiration effect, prevent change of color, relieve water evaporation and infection of diseases and insect pests, and effectively prolong a storage period of the fresh-cut aralia elata seem. The fresh-cut aralia elata seem prepared by the technology has relatively high quality and hygienic quality, and can reach a standard of fresh-cut product; product preservation time is prolonged to 7-8 days from original 2-3 days, and price is improved by 1-2 times.

Description

technical field [0001] The invention relates to the fresh-keeping field of fresh-cut wild vegetables, in particular to a film-coating material for fresh-cut prickly shoots and a film-preservation method. Background technique [0002] Thorn shoots ( Aralia elata Seem ), the scientific name is Aralia longya, commonly known as thorn old buds, thorn dragon teeth, and Bawangcai. It belongs to deciduous small trees and grows in forest margins, shrubs, and forest clearings. It is mainly distributed in Northeast China. The edible part is tender buds, which can be eaten raw, stir-fried, sauced, made into soup, stuffed, and processed into small pickles with different flavors. It has a delicate and meaty flavor, and its flavor is unique. It is currently the most popular pickle in the domestic and foreign markets. The excellent mountain wild vegetables are known as "the king of wild vegetables". Thorn shoots are rich in nutrients and mainly contain protein, fat, carbohydrates, dietary...

Claims

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Application Information

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IPC IPC(8): A23B7/154
Inventor 刘欢徐晶何文兵夏光辉董海司
Owner TONGHUA NORMAL UNIV
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