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Solid antistaling agent for storing winter Chinese jujube

A preservative and solid technology, which is applied in the field of preservatives for storing winter jujubes, can solve the problems of high humidity in the cold storage environment, inability to achieve fresh-keeping effect, complicated operation, etc., and achieve prolonged fresh-keeping period, simple and easy storage method, low ethylene effect of concentration

Inactive Publication Date: 2006-01-25
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The disadvantage is that this method has too high requirements on the ambient humidity of the cold storage, which requires a humidity of 90%-99%, and a special cold storage is required, otherwise the preservation effect cannot be achieved.
Moreover, the investment is large and the operation is complicated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] During production, each component is weighed, crushed and mixed mechanically, about every 2-5g is packed in a plastic bag. During use, make holes on the two sides of the plastic bag, about 10 holes on each side, and the hole diameter is as small as the hole of a sewing needle.

[0016] The step that the present invention is used for storing winter jujube is:

[0017] a. Prepare a temperature-adjustable cold storage with an area of ​​6-50m 2 between, and pre-sterilized;

[0018] b. Pick the winter jujubes in the semi-red stage carefully, preferably with jujube handles to minimize mechanical damage, put them into plastic baskets, about 30kg per basket, and cover them with plastic film;

[0019] c. Put the small bag of solid antistaling agent and jujube into a plastic basket, put 4 bags of antistaling agent for each 5KG jujube, pierce the fresh-keeping bag before use, and replace it with a new antistaling agent after one month;

[0020] d. When winter jujube is p...

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Abstract

A solid-state antistaling agent for storing winter jujube is prepared from calcium silicate, iron powder, potassium permaganate, activated carbon and dimethyl fumarate.

Description

technical field [0001] The invention relates to a fresh-keeping agent for storing winter jujube, which belongs to the technical field of fruit preservation. Background technique [0002] The jujube industry is a unique fruit industry in my country. Jujube tree cultivation has a history of thousands of years in our country, with more than 700 varieties. The main varieties of jujube trees cultivated in the country are dry type, and there are few fresh type. Jujube fruit is delicious, rich in nutrition, rich in protein and fat, and also Containing calcium, iron, phosphorus and other minerals and vitamins, jujube fruit has diet and health care functions, has many functions such as nourishing yin and kidney, strengthening the body, softening blood vessels, appetizing and invigorating the spleen, etc. It is an important raw material for food processing. "King" title. [0003] Dongzao is a fresh food variety of jujube developed in recent years. It is named "Dongzao" because it ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/157A23L3/358A23B7/153
Inventor 张桂宁书年李敏魏弟畅天狮
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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