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Fresh keeping method of mentha haplocalyx MAP package

A fresh-keeping method and technology of mint, which is applied in the fields of fruit and vegetable preservation, food preservation, food science, etc., can solve the problems of mint with short shelf life, perishable yellowing, etc., and achieve short shelf life, maintain quality, and delay the weight loss rate of mint Effect

Active Publication Date: 2018-10-02
BEIJING UNIV OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a fresh-keeping method of mint MAP packaging, without adding preservatives, using bacteriocin pretreatment and modified atmosphere packaging to solve the problems of mint short shelf life, perishable yellowing

Method used

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  • Fresh keeping method of mentha haplocalyx MAP package
  • Fresh keeping method of mentha haplocalyx MAP package
  • Fresh keeping method of mentha haplocalyx MAP package

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1. Test materials

[0033] Mint, picked from Beijing Yunong High-quality Agricultural Products Planting Company, is cold-chain transported to Beijing Agricultural College. Relevant treatments and observations were carried out on the day of harvest, and fresh, clean, uniform-sized mints with no mechanical damage, diseases and insect pests were selected for orthogonal experiments.

[0034] Table 1 Test main reagents

[0035]

[0036]

[0037] Table 2 The main instruments of the test

[0038]

[0039] 2. Test content

[0040] Pack the prepared 2000, 3000, 4000AU / ml bifidobacteria bacteriocin into three beakers, and put the three beakers into three 1m 3 In the PP sealed box, take the blank as the control (CK). 500g fresh mints are respectively put into four airtight boxes, and sealed. Store in cold storage (relative humidity 75%-85%, temperature (4±1)°C) for 12 hours, and then store about 20 g of the pretreated mint in cold storage. During the storage period,...

Embodiment 2

[0077] This embodiment is a preferred solution on the basis of Example 1. The raw materials used are the same as in Example 1, and a fresh-keeping method for peppermint MAP packaging is provided. The fresh-keeping method includes selection, pretreatment, inflation, packaging and storage. Specific steps are as follows:

[0078] (1) Selection: select fresh, clean, uniform-sized mints, free from mechanical damage and pests;

[0079] (2) Pretreatment: Utilize purified 3000AU / ml bifidobacteria bacteriocin to fumigate at a low temperature of 4°C for 12 hours to select the superior mint obtained through step (1);

[0080] (3) Inflating and packaging: use a gas proportional mixer to mix the gas, and the composition of the mixed gas is O 2 , CO 2 and N 2 Three kinds of gases; high-density polyethylene (HighDensity Polyethylene, HDPE) is selected as the packaging material, and the modified atmosphere packaging is carried out by vacuuming, inflating and heat sealing with a modified at...

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Abstract

The invention discloses a fresh keeping method of mentha haplocalyx MAP package. The fresh keeping method comprises the steps of performing selection, performing pretreatment, performing inflation, performing packaging, performing warehousing and the like, wherein the manner of performing fumigation and steaming pretreatment on 3000AU / ml bifidobacteria bacteriocin obtained through extraction, separation and purification under the low-temperature condition is used, HDPE packaging is selected for use, and three kinds of gases in proportion by volume of 3% of O2, 10% of CO2 and 87% of N2 are inflated. The fresh keeping method of mentha haplocalyx MAP package disclosed by invention is novel in design, unique in method, extensive in use and low in production cost, and the defects of the key technology that mentha haplocalyx is short in shelf life and easy to decompose and yellow are overcome. The original shelf life namely 9 days of the mentha haplocalyx is prolonged to 13 days, so that thefresh keeping method extremely has practicality and popularization.

Description

technical field [0001] The invention belongs to the technical field of food processing and storage, in particular to a fresh-keeping method for mint MAP packaging. Background technique [0002] Peppermint (Mentha haplocalyx Briq.) is a plant of the genus Mentha of the Labiatae family. It is cool in nature, pungent in taste, and has a strong refreshing fragrance. It is a widely used Chinese medicinal material and one of the main spice plants in the world. , in addition to being used in the pharmaceutical industry, it is also widely used in food, cosmetics, spices, tobacco and other industries. Folks have eaten fresh mint as a vegetable for a long time. At present, the applied research on mint continues to deepen, but there are more researches on the chemical components of mint and its clinical application, and there are relatively few researches on its storage and preservation. [0003] The leaves of mint are large and the stems and leaves are fragile. During storage and tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/148A23B7/155
CPCA23B7/148A23B7/155
Inventor 陈湘宁刘慧君张欣瑶周婧许丽丁轲杜斌
Owner BEIJING UNIV OF AGRI
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