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Fresh-keeping method used for blueberries

A fresh-keeping method, blueberry technology, applied in the direction of fruit and vegetable preservation, protection of fruits/vegetables with a protective coating, application, etc., can solve the problems of short shelf life and quality impact of blueberries, and achieve the benefits of heat loss and reduction of content Water volume, effect of reducing water content

Inactive Publication Date: 2018-09-28
遵义盛林农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a fresh-keeping method for blueberries to solve the problems of short shelf life and affected quality of blueberries in the prior art

Method used

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  • Fresh-keeping method used for blueberries

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: a kind of preservation method for blueberry, comprises the following steps:

[0019] Step 1. Pretreatment of blueberries: Put the newly harvested blueberries into the heat treatment room for storage, keep the temperature in the heat treatment room at 20°C, and after 1 hour of storage, take out the blueberries and put them into the freezer, and take steps to The cooling method is used for cooling, the cooling rate is 5.5°C / h, when the temperature in the freezing chamber drops to 10°C, the cooling is stopped;

[0020] Step 2, preparation of preservative solution: preservative solution comprises the following components according to parts by weight: 17 parts of chitosan, 13 parts of grape seeds, 940 parts of distilled water; wherein the preparation method of preservative solution is: put grape seeds into a container , add the above-mentioned parts of distilled water to decoct, heat and keep boiling for 10min, then cool to room temperature and filter to obtain...

Embodiment 2

[0023] Embodiment 2: a kind of preservation method for blueberry, comprises the following steps:

[0024] Step 1. Pretreatment of blueberries: Put the newly harvested blueberries into the heat treatment room for storage, keep the temperature in the heat treatment room at 22.5°C, and after 2 hours of storage, take out the blueberries and put them into the freezer. The cooling method is used to cool down, and the cooling rate is 5.5°C / h. When the temperature in the freezing chamber drops to 11°C, the cooling is stopped;

[0025] Step 2, preparation of fresh-keeping liquid: fresh-keeping liquid comprises following components according to parts by weight: 20 parts of chitosan, 15.5 parts of grape seeds, 955 parts of distilled water; Wherein the preparation method of fresh-keeping liquid is: put grape seed into the container , add the above-mentioned parts of distilled water to decoct, heat and keep boiling for 10min, then cool to room temperature and filter to obtain the filtrate,...

Embodiment 3

[0028] Embodiment 3: a kind of preservation method for blueberry, comprises the following steps:

[0029] Step 1. Pretreatment of blueberries: put the newly harvested blueberries into the heat treatment room for storage, keep the temperature in the heat treatment room at 25°C, and after 3 hours of storage, take out the blueberries and put them into the freezer. The cooling method is used for cooling, and the cooling rate is 5.5°C / h. When the temperature in the freezing chamber drops to 12°C, the cooling is stopped;

[0030] Step 2, preparation of preservative solution: preservative solution comprises the following components according to parts by weight: 23 parts of chitosan, 18 parts of grape seeds, 970 parts of distilled water; wherein the preparation method of preservative solution is: put grape seeds into the container , add the above-mentioned parts of distilled water to decoct, heat and keep boiling for 10min, then cool to room temperature and filter to obtain the filtra...

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Abstract

The invention discloses a fresh-keeping method used for blueberries in the technical field of food fresh keeping. The method is characterized by comprising the following steps: step 1, blueberry pretreatment; step 2, preparation of a fresh-keeping liquid which comprises the following components in parts by weight: 17-23 parts of chitosan, 13-18 parts of a grape seed soaking solution and 940-970 parts of distilled water, wherein a preparation method of the fresh-keeping liquid comprises the following steps: putting grape seeds into a container, adding 940-970 parts of distilled water, carryingout decoction and heating, keeping boiling for 10min, then cooling the boiling water to room temperature, conducting filtration to obtain filtrate, and adding 17-23 parts of chitosan to the filtrate to obtain the fresh-keeping liquid; step 3, blueberry soaking; and step 4, blueberry refrigeration. This scheme can effectively prolong the shelf life of blueberries.

Description

technical field [0001] The invention relates to the technical field of food fresh-keeping, in particular to a fresh-keeping method for blueberries. Background technique [0002] Blueberry, a small berry, is blue in color, beautiful in color, delicate in flesh, sweet and sour, and has a refreshing and pleasant aroma. It is a good fresh food. Belonging to the Rhododendronaceae Vaccinium blueberry, it has the meaning of blue berry. Blueberry fruit is rich in nutrients. It not only has good nutritional and health effects, but also has the functions of preventing brain aging, strengthening the heart, anti-cancer, softening blood vessels, and enhancing human immunity. Due to the good flavor and high nutritional value of blueberries, they are welcomed by more and more consumers in our country. However, blueberries are berries, and they are easy to rot, shrink, etc. after long-term storage, and the harvesting period is short. The market time in a year is very short, can not satisf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/005A23B7/04A23B7/154A23B7/16
CPCA23B7/005A23B7/0425A23B7/154A23B7/16A23V2002/00A23V2200/02A23V2200/22A23V2250/511A23V2250/21166
Inventor 谢志刚谌业平裴高
Owner 遵义盛林农业发展有限公司
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