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Application of Gleditsia delavayi polysaccharide in fruit and vegetable preservation fresh-keeping

A technology for storage and preservation of saponins, applied in the fields of fruit and vegetable preservation, applications, food preservation, etc., can solve the problems of no public reports, etc., and achieve the effect of low cost and good effect of fruit and vegetable preservation

Inactive Publication Date: 2008-03-19
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Through literature search, there is no public report identical with the present invention

Method used

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  • Application of Gleditsia delavayi polysaccharide in fruit and vegetable preservation fresh-keeping
  • Application of Gleditsia delavayi polysaccharide in fruit and vegetable preservation fresh-keeping
  • Application of Gleditsia delavayi polysaccharide in fruit and vegetable preservation fresh-keeping

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: be used for the storage and preservation of sour pomegranate

[0029] Sour pomegranate from Jianshui County, Yunnan Province was selected, and L16 (4×2 6 ) orthogonal table for the experimental layout, every 10 fruits is a treatment combination (selected randomly from the candidate fruit), the experiment has a total of 16 treatments, repeated twice, and the average value is taken.

[0030] Experimental factors and levels

[0031]

[0032] On the basis of the above experimental design, the red pearl varieties of Jianshui sour pomegranate were selected for storage and preservation experiments. The fresh sour pomegranate red pearl varieties that were pre-cooled after picking were picked out with mechanical injuries. The fruit size is graded, divided into 8 groups on average, and marked with numbers 1 to 8 in turn.

[0033] Experiment on storage and preservation of pomegranate (red pearl) with Jianshui acid

[0034] group

[0035] ...

Embodiment 2

[0054] Embodiment 2: be used for the storage and fresh-keeping of miniature small cucumber

[0055] The mini-sized cucumbers collected from the horticulture teaching experiment base of Yunnan Agricultural University were grouped into groups. The first group was at room temperature, the second group was at 5-6°C low temperature, the third group was room temperature coating, and the fourth group was at room temperature. 5-6 ℃ low temperature coating.

[0056] The changes in nutritional components and physiological activity of mini-cucumbers during storage and preservation were determined using the following conventional methods:

[0057] A. Determination of chlorophyll content: colorimetric method

[0058] B. Ascorbate Oxidase Activity (AAO): Iodometric Method [54]

[0059] C. Polyphenol oxidase activity (PPO): iodometric method

[0060] The measurement results are as follows: the treatment of miniature cucumbers with the polysaccharide film of Acacia dianthus can significan...

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Abstract

The invention relates to application of yunan honey locust polysaccharide in storage and preservation of fruit and vegetable and belongs to the technical field of storage and preservation of fruit and vegetable. The invention adopts yunan honey locust polysaccharide as matrix while added with accessory, and then film-forming solution prepared can be used for preservation of fruit and vegetable. The film bacteriostasis test shows that film solution provided by the invention meets the requirement of storage film of fruit and vegetable. The storage result of fruit and vegetable shows that the invention has the advantages of good preservation effect of fruit and vegetable and low cost, etc.

Description

[0001] Technology fields: [0002] The invention relates to the application of Gleditsia japonicar var. delavayi polysaccharide in fruit and vegetable storage and preservation, and belongs to the technical field of fruit and vegetable storage and preservation. Background technique: [0003] Coating fresh-keeping technology is to coat a very thin film on the surface of fruits and vegetables, also called "liquid packaging". This fresh-keeping method can inhibit the gas exchange between fruits and vegetables and the environment, reduce the evaporation of water inside fruits and vegetables, and prevent oxygen in the air Oxidation between fruits and vegetables prevents the growth of microorganisms, thereby better maintaining the nutritional value, color, aroma, taste, and shape of fruits and vegetables, and prolonging their shelf life. At the same time as an additional plastic wrap, the modified atmosphere storage effect of adjusting the internal gas composition is produced. [00...

Claims

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Application Information

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IPC IPC(8): A23B7/154
Inventor 袁唯邵金良袁力丰邵宛芬
Owner YUNNAN AGRICULTURAL UNIVERSITY
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