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Natural fruit and vegetables disinfection antistaling agent, preparation and process of using

A technology for preservatives, fruits and vegetables, applied in the field of sterilization and preservatives, can solve the problems of huge investment in modified atmosphere storage methods, strict management and control requirements, and high technical difficulty, and achieve the effects of large development and application value, broad market, and efficient storage and preservation technology.

Inactive Publication Date: 2009-02-18
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The controlled atmosphere storage method has huge investment, high technical difficulty, strict management and control requirements, huge energy consumption, and takes up a lot of resources, which is not suitable for my country's national conditions
The refrigeration method is widely used in our country, but some fruits and vegetables are prone to chilling injury when stored at low temperature for a long time, so its application is also limited

Method used

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  • Natural fruit and vegetables disinfection antistaling agent, preparation and process of using
  • Natural fruit and vegetables disinfection antistaling agent, preparation and process of using
  • Natural fruit and vegetables disinfection antistaling agent, preparation and process of using

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. Preparation of natural fruit and vegetable antiseptic and fresh-keeping agent 1

[0020] A natural antiseptic and antistaling agent for fruits and vegetables, using grape seed extract (purchased from Jianfeng Natural Products Research and Development Co., Ltd., proanthocyanidin content>95%), absolute ethanol, Tween-80 and sterile water as raw materials.

[0021] Prepared under normal temperature and pressure conditions, the preparation method is:

[0022] (1) Weigh 2g of grape seed extract;

[0023] (2) Take 1ml of absolute ethanol and 19ml of sterile water to prepare an aqueous ethanol solution;

[0024] (3) Add the grape seed extract to the solution obtained in step 2, and stir with a glass rod to completely dissolve it;

[0025] (4) Add 0.2ml of Tween-80 to the solution obtained in step 3, and stir evenly;

[0026] (5) Add sterile water to 2L and stir evenly with a glass rod to obtain a natural fruit and vegetable antiseptic and fresh-keeping agent 1.

Embodiment 2

[0027] Example 2: Preparation of natural fruit and vegetable antiseptic and fresh-keeping agent 2

[0028] A natural antiseptic and fresh-keeping agent for fruits and vegetables, using grape seed extract (purchased from Jianfeng Natural Products Research and Development Co., Ltd., proanthocyanidin content>95%), absolute ethanol, Tween-80 and sterile water as raw materials.

[0029] Prepared under normal temperature and pressure conditions, the preparation method is:

[0030] (1) Weigh 20g of grape seed extract;

[0031] (2) Take 10ml of absolute ethanol and 10ml of sterile water to prepare an aqueous ethanol solution;

[0032] (3) Add the grape seed extract to the solution obtained in step 2, and stir with a glass rod to completely dissolve it;

[0033] (4) Add 0.5ml of Tween-80 to the solution obtained in step 3, and stir evenly;

[0034] (5) Add sterile water to 2L and stir evenly with a glass rod to obtain a natural fruit and vegetable antiseptic and fresh-keeping agent 2.

Embodiment 3

[0035] Example 3. Preparation of antiseptic and fresh-keeping agent for natural fruits and vegetables

[0036] A natural antiseptic and fresh-keeping agent for fruits and vegetables, using grape seed extract (purchased from Jianfeng Natural Products Research and Development Co., Ltd., proanthocyanidin content>95%), absolute ethanol, Tween-80 and sterile water as raw materials.

[0037] Prepared under normal temperature and pressure conditions, the preparation method is:

[0038] (1) Weigh 30g of grape seed extract;

[0039] (2) Take 15ml of absolute ethanol and 5ml of sterile water to prepare an aqueous ethanol solution;

[0040] (3) Add the grape seed extract to the solution obtained in step 2, and stir with a glass rod to completely dissolve it;

[0041] (4) Add 1ml of Tween-80 to the solution obtained in step 3, and stir evenly;

[0042] (5) Add sterile water to 2L and stir evenly with a glass rod to obtain a natural fruit and vegetable antiseptic and fresh-keeping agent 3.

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Abstract

The invention discloses a natural fruit and vegetable sterilizing fresh-keeping agent, preparation and a use method thereof, which belongs to the technical filed of sterilizing fresh-keeping agent. Every 1L sterilizing fresh-keeping agent comprises the following compositions by weight: 0.1 to 20 grams of grape seed extract, 1 to 50 milliliters of absolute ethyl alcohol, 0 to 0.5 milliliter of Tween-80, and the balance being sterilized water. The method for preparing the sterilizing fresh-keeping agent comprises the following steps: under the conditions of normal temperature and normal pressure, the grape seed extract, the absolute ethyl alcohol are added into the sterilized water, the Tween-80 is added to the mixed solution, and the sterilized water is added into the mixed solution for constant volume; and a glass rod is used for stirring the mixed solution uniformly to obtain the natural fruit and vegetable sterilizing fresh-keeping agent. The use method comprises the following steps: fruits and vegetables are soaked in the natural fruit and vegetable sterilizing fresh-keeping agent, or are soaked at negative pressure, and then the fruits and vegetables are taken out and are dried for further storage. The natural fruit and vegetable sterilizing fresh-keeping agent well solves the problems of rot and reduced quality after picking for the fruits and the vegetables, has low cost, and can effectively reduce use and residual quantity of chemical agents without causing environmental pollution, thereby having great value for development and application.

Description

Technical field [0001] The invention belongs to the technical field of antiseptic and fresh-keeping agents, and particularly relates to a natural fruit and vegetable antiseptic and fresh-keeping agent and preparation and use methods thereof. Background technique [0002] my country is a large agricultural country, and both fruits and vegetables have a large planting area. However, due to poor preservation, the annual losses are staggering. From harvesting to sales, the annual loss rate of fruits is 20-25%, and the annual loss rate of vegetables is 30%. The annual loss of fruits and vegetables due to decay is over 100 million tons, and the economic loss is 75 billion yuan. [0003] The main component of grape seed extract is proanthocyanidins, including four monomers, catechin, epicatechin, gallic acid and gallic acid-3-O-epicatechin, as well as polymers based on these monomers. The important secondary metabolites of grapes have strong antioxidant capacity. Applying them to the pr...

Claims

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Application Information

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IPC IPC(8): A23B7/153A23B7/154A23B7/157
Inventor 姜微波崔旸曹建康李健
Owner CHINA AGRI UNIV