Composite leaching vegetable fresh-keeping agent for tragus berteronianus and preparation method of fresh-keeping agent

The technology of a preservative and lice grass is applied in the field of lice grass compound extraction vegetable preservative and its preparation, which can solve the problems of death, damage to human health, food safety and the like, and achieves low cost, convenient use and good fresh-keeping effect. Effect

Inactive Publication Date: 2015-02-18
SHANDONG INST OF COMMERCE & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can effectively reduce the loss rate of vegetables, there are obvious food safety problems, which will damage human health and even cause death.

Method used

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  • Composite leaching vegetable fresh-keeping agent for tragus berteronianus and preparation method of fresh-keeping agent
  • Composite leaching vegetable fresh-keeping agent for tragus berteronianus and preparation method of fresh-keeping agent
  • Composite leaching vegetable fresh-keeping agent for tragus berteronianus and preparation method of fresh-keeping agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A kind of preparation method of lice grass compound extraction vegetable preservative, comprises the following steps:

[0055] (1) Lice grass leaf pretreatment

[0056] Weigh 50 parts of lice grass leaves, put them into the pool and wash them with a sprayer for 13 minutes, remove them and put them in a grid tray to drain for 26 minutes, then transfer them to a drying oven at 60 °C for 48 minutes, and dry the dried lice Grass leaves are poured into the pulverizer for crushing, screened through 200 mesh, and set aside;

[0057] (2) Preparation of Licegrass Leaf Extract

[0058] Pour the lice grass leaf powder prepared in step (1) into a storage tank, and add 70% corn alcohol solution to mix according to the powder: corn alcohol solution ratio of 1:200, soak for 6 h, transfer to an ultrasonic extractor, and turn on the power , adjust the stirring speed to 65 rpm, the ultrasonic frequency to 40 KHZ, and the temperature to 45 °C, and after extracting for 1 h, turn off the ...

Embodiment 2

[0079] A kind of preparation method of lice grass compound extraction vegetable preservative, comprises the following steps:

[0080] (1) Lice grass leaf pretreatment

[0081] Weigh 56 parts of lice grass leaves, put them into the pool and wash them with a sprayer for 13.5 minutes, remove them and put them in a grid tray to drain for 30 minutes, then transfer them to a drying oven at 60 °C for 48 minutes, and dry the dried lice The grass leaves are poured into the pulverizer for crushing, screened through 300 mesh, and set aside;

[0082] (2) Preparation of Licegrass Leaf Extract

[0083] Pour the lice grass leaf powder prepared in step (1) into a storage tank, and add 65% corn alcohol solution to mix according to the powder: corn alcohol solution ratio of 2.5:280, soak for 8 h, transfer to an ultrasonic extractor, and turn on the power , adjust the stirring speed to 80 rpm, the ultrasonic frequency to 40 KHZ, and the temperature to 50 °C. After extracting for 1.5 h, turn of...

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Abstract

The invention discloses a composite leaching vegetable fresh-keeping agent for tragus berteronianus and a preparation method of the fresh-keeping agent. The composite leaching vegetable fresh-keeping agent is prepared by the following steps: carrying out pretreatment on tragus berteronianus leaves, radix semiaquilegiae roots and stems and lotus persimmon leaves, then preparing extracting solutions, and concentrating and drying the mixture after mixing the extracting solutions. The composite leaching vegetable fresh-keeping agent for tragus berteronianus, disclosed by the invention, is prepared from pure natural plants in a composite leaching manner, is green, low in cost, safe, reliable, good in preservation effect, and free of harmful residues, can replace an existing chemical preservative agent in the market as a common preservative agent, is convenient to use, and adapts to vegetable preservation in all scales from small farmers to large commercial tenants.

Description

technical field [0001] The invention relates to the technical field of vegetable preservatives, in particular to a vegetable preservative compounded with lice grass and a preparation method thereof. Background technique [0002] my country is a large vegetable producing country. At the same time, the vegetable industry has become a pillar industry for the development of my country's agriculture and rural economy. The planting area and fruits are second only to grain and become the second largest crop in China. Due to the substantial improvement of people's living standards, the awareness of healthy diet is weak, and the work pressure is increased, and the amount of exercise is reduced. Therefore, the number of people with affluent diseases such as high blood pressure, high blood fat, and obesity has increased significantly. In recent years, more and more people have noticed that affluenza is a serious threat to our health, and people's awareness of healthy eating habits has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/153
Inventor 张长峰张泽武程丽林牛伟红聂小宝张家国陈恩修王国利
Owner SHANDONG INST OF COMMERCE & TECH
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