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A kind of vegetable and fruit preservative, its preparation method and application

A technology for preservatives, fruits and vegetables, applied in the field of preservatives for fruits and vegetables, can solve the problems of difficult cleaning, unfavorable human health, etc., and achieve the effects of improving fresh-keeping efficiency, ensuring human health and dietary safety, and slowing down the decrease in hardness

Active Publication Date: 2022-07-19
HUBEI UNIV OF CHINESE MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventor believes that the main components of its antiseptic, bacteriostatic and bactericidal properties include bamboo leaf extract and garlic extract, and chemical preservatives such as potassium sorbate. These chemically synthesized preservatives are not easy to clean, and long-term consumption is not good for human health.

Method used

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  • A kind of vegetable and fruit preservative, its preparation method and application
  • A kind of vegetable and fruit preservative, its preparation method and application
  • A kind of vegetable and fruit preservative, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Measure 125g of mugwort powder into a conical flask, add 500ml of water, 50% ethanol (volume concentration), ethanol, and ethyl acetate respectively, soak for 24 hours and then ultrasonicate for half an hour, pour the extract into a filter bag, and squeeze out fully The filtrate, the crude filtrate was suction filtered to obtain a primary extract, and 500ml of solvent was added for extraction to obtain a secondary extract. After combining the extracts, the extracts were placed on a water bath to evaporate the solvent, and freeze-dried to obtain extract powders with four different solvents.

[0047] Dissolve an appropriate amount of water extract and 50% ethanol extract in ultrapure water to prepare the water extract solution of mugwort powder (experimental group 1) and 50% alcohol extract solution of mugwort powder (experimental group) with a mass concentration of 0.01g / ml. Group 2), taking ultrapure water as blank control (control group 1); measuring ethanol extract and...

Embodiment 2

[0053] Get the ultrapure water in the ultrapure water machine.

Embodiment 3

[0055] Take 1.25 g of the ethyl acetate extract of mugwort powder in Example 1, add 5 ml of ethanol, place it in an ultrasonic device for 1 hour to make it fully dissolved, transfer it to a beaker after dissolving, and add 175 ml of water on a digital display constant temperature magnetic stirrer Mix well and get it.

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Abstract

The present disclosure belongs to the technical field of preservatives for fruits and vegetables, and in particular relates to a preservative for fruits and vegetables, a preparation method and applications thereof. Vegetables and fruits have a short shelf life and are perishable. The application of fruit and vegetable preservatives is of great significance to maintain the quality of vegetables and fruits and reduce the number of rotten fruits and vegetables. At present, the commonly used preservatives for fruits and vegetables are mostly chemical components, and there are certain safety hazards in long-term use. Studies have shown that there are traditional Chinese medicine extracts that can be used as preservatives for fruits and vegetables, which are safer than chemical preservatives. The present disclosure provides a fruit and vegetable preservative with mugwort extract as the main component, combined with effective components such as pueraria root and white chili, which can significantly reduce the decay rate of vegetables and fruits, and has important significance in practical production. The application of preservatives provides valuable reference experience.

Description

technical field [0001] The present disclosure relates to the technical field of preservatives for vegetables and fruits, in particular to a preservative for vegetables and fruits extracted from traditional Chinese medicines, a preparation method and applications thereof. Background technique [0002] The disclosure of information in this Background section is only for enhancement of understanding of the general background of the disclosure and should not necessarily be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. [0003] Since my country spans multiple climatic zones, the production of fruit and vegetable varieties varies greatly. In order to meet consumer demand for dietary diversity, many fruits and vegetables need to be transported over long distances. However, the fresh-keeping period of many vegetables or fruits is very short. During storage and transportation, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/153
CPCA23B7/153A23V2002/00A23V2200/10A23V2250/21
Inventor 刘大会李金鑫黄必胜叶俊伟王欣格赵璐
Owner HUBEI UNIV OF CHINESE MEDICINE
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