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Freshness keeping agent for fruits and vegetables and preparation method of freshness keeping agent

A technology of fruit and vegetable preservatives and aqueous solutions, which is applied in the field of pollution-free fruit and vegetable preservatives and its preparation, can solve the problems that the fresh-keeping effect cannot meet the actual requirements, secondary pollution of fruits and vegetables, etc., and achieve the purpose of inhibiting spoilage, improving quality, and preventing moisture The effect of the loss of

Active Publication Date: 2015-10-14
宁夏虹桥有机食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the fresh-keeping technology of fruits and vegetables mainly uses chemically synthesized preservatives. However, when using chemically synthesized preservatives, it is easy to cause secondary pollution to fruits and vegetables, and the fresh-keeping effect cannot meet the actual requirements.

Method used

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  • Freshness keeping agent for fruits and vegetables and preparation method of freshness keeping agent
  • Freshness keeping agent for fruits and vegetables and preparation method of freshness keeping agent
  • Freshness keeping agent for fruits and vegetables and preparation method of freshness keeping agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A fresh-keeping agent for fruits and vegetables, which comprises 20% of propolis aqueous solution, 30% of onion aqueous solution, 10% of star anise extract according to volume percentage, and the balance is supplemented with sterile water.

[0038] The preparation method of the above-mentioned fruit and vegetable preservative comprises the following preparation steps:

[0039] 1. Extraction preparation:

[0040] (A) propolis aqueous solution:

[0041] ①. Weigh 100g of pure propolis, add 500g of edible ethanol with a volume fraction of 70%, fully stir to make it dissolve, and obtain propolis alcohol solution;

[0042] ②. Add the propolis alcohol solution in ① into 500ml of 80°C hot water while stirring, cool to room temperature, filter, and recover the ethanol from the filtrate until it has no alcohol smell, so as to remove the ethanol in the filtrate, and filter to obtain filtrate 1 for later use;

[0043] ③. Add 500ml of edible ethanol with a volume fraction of 70% t...

Embodiment 2

[0052] A fresh-keeping agent for fruits and vegetables, which comprises 20% propolis aqueous solution, 40% onion aqueous solution, 20% star anise extract according to volume percentage, and the balance is supplemented with sterile water.

[0053] The preparation method of the above-mentioned fruit and vegetable preservative comprises the following preparation steps:

[0054] 1. Extraction preparation:

[0055] (A) propolis aqueous solution:

[0056] ①. Weigh 100g of pure propolis, add 500g of edible ethanol with a volume fraction of 70%, fully stir to make it dissolve, and obtain propolis alcohol solution;

[0057] ②. Add the propolis alcohol solution in ① into 500ml of 80°C hot water while stirring, cool to room temperature, filter, and recover the ethanol from the filtrate until it has no alcohol smell, so as to remove the ethanol in the filtrate, and filter to obtain filtrate 1 for later use;

[0058] ③. Add 500ml of edible ethanol with a volume fraction of 70% to the fil...

Embodiment 3

[0067] The invention relates to a fresh-keeping agent for fruits and vegetables, which comprises 30% propolis aqueous solution, 30% onion aqueous solution, 10% star anise extract according to volume percentage, and the balance is supplemented with sterile water.

[0068] The preparation method of the above-mentioned fruit and vegetable preservative comprises the following preparation steps:

[0069] 1. Extraction preparation:

[0070] (A) propolis aqueous solution:

[0071] ①. Weigh 100g of pure propolis, add 500g of edible ethanol with a volume fraction of 60%, fully stir to make it dissolve, and obtain propolis alcohol solution;

[0072] ②. Add the propolis alcohol solution in ① into 500ml of 80°C hot water while stirring, cool to room temperature, filter, and recover the ethanol from the filtrate until it has no alcohol smell, so as to remove the ethanol in the filtrate, and filter to obtain filtrate 1 for later use;

[0073] ③. Add 500ml of edible ethanol with a volume f...

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Abstract

The invention belongs to the field of storage and freshness keeping of agriculture products, and particularly relates to a nuisanceless freshness keeping agent for fruits and vegetables and a preparation method of the nuisanceless freshness keeping agent for fruits and vegetables. The freshness keeping agent for fruits and vegetables comprises the following components in percentage by weight: 20-30% of a propolis aqueous solution, 30-40% of an onion aqueous solution, 10-20% of a star anise extracting solution and the balance of sterile water. The freshness keeping agent for the fruits and the vegetables is prepared through the steps of preparing the extracting solutions, mixing the prepared extracting solutions, filtering the mixed extracting solutions, and packaging the filtered extracting solutions. The ingredients of the freshness keeping agent for the fruits and the vegetables are useful and harmless to human bodies, so that the freshness keeping agent is safe and reliable; the freshness keeping agent not only can prolong the storage period of the fruits and the vegetables, but also can maintain and improve the color of the fruits and the vegetables and improve the quality; besides, the freshness keeping agent has the advantages of being extremely easy in formula and being convenient to operate.

Description

technical field [0001] The invention belongs to the field of storage and fresh-keeping of agricultural products, and in particular relates to a pollution-free fruit and vegetable fresh-keeping agent and a preparation method thereof. Background technique [0002] In recent years, due to the rise of "green food" and "organic food", people's demand for pollution-free, pollution-free, high-quality fruits and vegetables is rapidly increasing. Fruit and vegetable preservation is an important issue faced by fruits and vegetables after picking. At present, the fresh-keeping technology of fruits and vegetables mainly uses chemically synthesized preservatives. However, when using chemically synthesized preservatives, it is easy to cause secondary pollution to fruits and vegetables, and the fresh-keeping effect cannot meet the actual requirements. Therefore, new preservatives with no residue, no pollution, broad-spectrum sterilization, easy to use, safe and reliable, and low cost will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
Inventor 刘云飞张磊
Owner 宁夏虹桥有机食品有限公司
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