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Fresh keeping method of blueberries

A fresh-keeping method, blueberry technology, which is applied in the fields of fruit and vegetable preservation, food preservation, fruit/vegetable preservation through freezing/refrigeration, etc., which can solve the problems of limited fresh-keeping time of blueberries, achieve prolonged storage and fresh-keeping time, simple fresh-keeping means and low cost Effect

Inactive Publication Date: 2017-02-01
盛林蓝莓集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the storage methods of fruits and vegetables mainly include physical methods and chemical methods. Among them, physical methods such as cold chain storage and controlled atmosphere storage are ideal and safe methods, but the preservation time for blueberries is also extremely limited.

Method used

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  • Fresh keeping method of blueberries
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Experimental program
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Embodiment 1

[0020] A fresh-keeping method for blueberries, comprising the following steps:

[0021] 1) Wash the blueberries, put them in the cold storage for 2 hours, and the pre-cooling temperature is 2°C.

[0022] 2) Put the pre-cooled blueberries into the treatment liquid and soak for 8 minutes.

[0023] The treatment fluid includes the following components:

[0024] 0.01 part of lysozyme (parts by weight, the same below), 2 parts of common salt, 0.01 part of sodium alginate, 0.005 part of tea polyphenol, 1 part of ethanol, 0.005 part of dekaline base, and 96.97 parts of water.

[0025] The preparation method of the treatment liquid is relatively simple, only simple stirring and mixing are required.

[0026] 3) Take it out from the treatment solution, dry it at room temperature, and put it into a low-barrier perforated packaging box.

[0027] 4) Perform irradiation sterilization operation on blueberries, adopt gamma rays, and the irradiation dose is 1kGy.

[0028] 5) Put it in a co...

Embodiment 2

[0030] A fresh-keeping method for blueberries, comprising the following steps:

[0031] 1) Wash the blueberries and put them in the refrigerator for pre-cooling for 1 hour at 5°C.

[0032] 2) Put the pre-cooled blueberries into the treatment liquid and soak for 5 minutes.

[0033] The treatment fluid includes the following components:

[0034] 0.1 part of lysozyme, 1 part of table salt, 0.03 part of sodium alginate, 0.001 part of tea polyphenol, 2 parts of ethanol, 0.001 part of dekaline base, 96.868 parts of water.

[0035] 3) Take it out from the treatment solution, dry it at room temperature, and put it into a low-barrier perforated packaging box.

[0036] 4) Perform irradiation sterilization operation on blueberries, adopt gamma rays, and the irradiation dose is 1.5kGy.

[0037] 5) Put it in a controlled atmosphere storehouse for preservation, and check it regularly.

Embodiment 3

[0039] A fresh-keeping method for blueberries, comprising the following steps:

[0040] 1) Wash the blueberries, put them in the cold storage for 3 hours, and the pre-cooling temperature is 0°C.

[0041] 2) Put the pre-cooled blueberries into the treatment solution and soak for 10 minutes.

[0042] The treatment fluid includes the following components:

[0043] 0.05 parts of lysozyme, 1.5 parts of common salt, 0.02 parts of sodium alginate, 0.003 parts of tea polyphenols, 1.5 parts of ethanol, 0.002 parts of dekaline base, and 96.925 parts of water.

[0044] 3) Take it out from the treatment solution, dry it at room temperature, and put it into a low-barrier perforated packaging box.

[0045] 4) Perform irradiation sterilization operation on blueberries, adopt gamma rays, and the irradiation dose is 0.1kGy.

[0046] 5) Put it in a controlled atmosphere storehouse for preservation, and check it regularly.

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Abstract

The invention relates to the technical field of blueberry processing, in particular to a fresh keeping method of blueberries. The fresh keeping method comprises the following steps of thoroughly cleaning the blueberries, and putting the cleaned blueberries in a refrigeration house for precooling; putting the precooled blueberries into treating fluid for impregnation, wherein the treating fluid is prepared from lysozyme, table salt, sodium alginate, tea polyphenol, ethanol, decarine and water; taking out the impregnated blueberries from the treating fluid, airing the taken-out blueberries at normal temperature, and putting the aired blueberries into a low-barrier-property packaging box with holes; performing radiation sterilization operation on the blueberries through gamma rays; and putting the sterilized blueberries into an air-conditioned cold store for preservation, and performing periodical detection. Through the adoption of the fresh keeping method of the blueberries disclosed by the invention, the preservation and fresh keeping time of the blueberries can be prolonged, after the blueberries are preserved for 3 months by the fresh keeping method, the flavor of the preserved blueberries is reserved, and the long-acting fresh keeping of the blueberries is realized. Compared with a method of only using the air-conditioned cold store, the fresh keeping method disclosed by the invention has the advantages that fresh keeping time can be prolonged by one month, and besides, the color, the crispness and the mouth feel of the preserved blueberries are not significantly changed. The treating fluid containing components of the lysozyme, the decarine and the like is a natural component, is safe and green, meets food safety requirements, and is high in reliability and low in cost.

Description

technical field [0001] The invention relates to the technical field of blueberry processing, in particular to a fresh-keeping method for blueberries. Background technique [0002] Blueberry, the fruit is blue, with a layer of white fruit powder on the surface, the flesh is delicate, the taste is sweet and sour, and it has a unique fragrance. Blueberries are rich in various trace elements and vitamins, and have various health effects such as enhancing immunity and delaying aging. In addition to being eaten fresh, blueberries are also widely used in industries such as food and pharmaceuticals. The economic benefit is remarkable, and the market prospect at home and abroad is very broad. [0003] At present, there are mainly physical methods and chemical methods for fruit and vegetable storage. Among them, physical methods such as cold chain and controlled atmosphere storage are ideal and safe methods, but the preservation time for blueberries is also extremely limited. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/04A23B7/154A23B7/155A23B7/157A23B7/015
CPCA23B7/0425A23B7/015A23B7/154A23B7/155A23B7/157
Inventor 王树新
Owner 盛林蓝莓集团股份有限公司