Fresh-keeping method of passion fruits

A fresh-keeping method and passion fruit technology are applied in the directions of fruit and vegetable fresh-keeping, food preservation, and protection of fruits/vegetables with a coating protective layer, which can solve the problems of passion fruit being prone to water loss, shrinkage, corruption and deterioration, and improve the fresh-keeping effect. , The effect of reducing breathing intensity and enhancing penetration and diffusion performance

Pending Publication Date: 2021-12-07
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As mentioned above, the purpose of the present invention is to solve the problems of easy water loss, shrinkage and spoilage of passion fruit during storage, and to provide a fresh-keeping method of passion fruit with good fresh-keeping effect and long time

Method used

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  • Fresh-keeping method of passion fruits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1 A fresh-keeping method of passion fruit, comprising the steps of:

[0032] (1) Screening: select passion fruits with a maturity of 8-9 and the same size, put them in a ventilated place after harvesting to dissipate the heat in the field, and remove secondary fruits, diseased fruits and fruits with mechanical damage at the same time;

[0033] (2) Disinfection and sterilization: put the passion fruit processed in step (1) into a volume concentration of 0.5% sodium hypochlorite disinfectant and soak for 5 minutes, carry out disinfection and sterilization, pull out, and naturally air-dry for 5 hours;

[0034] (3) Antibacterial coating film: first take 0.5g chitosan and add it to 100mL acetic acid solution with a volume concentration of 1%, place it on a stirrer, and stir at a high speed at room temperature to completely dissolve chitosan and prepare a 0.5% shell Polycan solution; add 0.1g potassium sorbate to the 0.5% chitosan solution, stir and dissolve at room...

Embodiment 2

[0036] Example 2 A fresh-keeping method of passion fruit, comprising the steps of:

[0037] (1) Screening: Select passion fruits with a maturity of 8-9 maturity and the same size, put them in a ventilated place after harvesting to dissipate the heat in the field, and remove secondary fruits, diseased fruits and fruits with mechanical damage at the same time,

[0038] (2) Disinfection and sterilization: put the passion fruit processed in step (1) into a volume concentration of 0.5% sodium hypochlorite disinfectant and soak for 5 minutes, carry out disinfection and sterilization, pull out, and naturally air-dry for 5 hours;

[0039](3) antibacterial coating film: at first get 1g chitosan and add to 100mL volume concentration and be in the acetic acid solution of 1%, place on the stirrer, stir at high speed under room temperature, make chitosan dissolve completely, be prepared into 1% chitosan Sugar solution; add 0.5g potassium sorbate to 1% chitosan solution, stir and dissolve...

Embodiment 3

[0041] Example 3 A fresh-keeping method of passion fruit, comprising the steps of:

[0042] (1) Screening: Select passion fruits with a maturity of 8-9 maturity and the same size, put them in a ventilated place after harvesting to dissipate the heat in the field, and remove secondary fruits, diseased fruits and fruits with mechanical damage at the same time,

[0043] (2) Disinfection and sterilization: put the passion fruit processed in step (1) into a volume concentration of 0.5% sodium hypochlorite disinfectant and soak for 5 minutes, carry out disinfection and sterilization, pull out, and naturally air-dry for 5 hours;

[0044] (3) antibacterial coating film: at first get 2g chitosan and add to 100mL volume concentration and be in the acetic acid solution of 1%, place on the stirrer, stir at high speed under room temperature, make chitosan dissolve completely, be prepared into 2% chitosan Sugar solution; add 1g potassium sorbate to 2% chitosan solution, stir and dissolve ...

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Abstract

The invention provides a fresh-keeping method of passion fruits, and relates to the technical field of fresh-keeping of fruits and vegetables. The method is characterized by comprising the following steps of screening, disinfection and sterilization, antibacterial film coating and intelligent microporous packaging and storage. According to the method, intelligent microporous packaging and an antibacterial coating technology are combined, so that the problems of accumulation of ethylene and water, putrefaction and bacteria growth, carbon dioxide damage and the like of the passion fruits under traditional modified atmosphere packaging are solved, and the phenomena of shrinkage due to water loss, putrefaction and the like which influence the quality in the storage process of the passion fruits are effectively inhibited; and the fresh-keeping time of the passion fruits is prolonged, and the fresh-keeping period of the passion fruits under the room temperature storage condition reaches 20 days or above.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping of fruits and vegetables, in particular to a fresh-keeping method of passion fruit. Background technique [0002] Passion fruit (Passiflora edulis Sims), also known as passion fruit, passion fruit, egg fruit, belongs to Passiflora genus Passiflora, is a famous tropical and subtropical characteristic berry; Passion fruit planting areas in my country are mainly distributed in Guangxi, Yunnan and other regions. Passion fruit has a smooth skin and is oval or round in shape. Its fruit juice has a high color, aroma, taste and nutrition. It contains a variety of aromatic substances, essential amino acids, vitamins, reducing sugars and other compounds; it has rich nutritional value. In addition, passion fruit also has health effects such as anti-inflammatory and pain relief, lipid-lowering and blood pressure-lowering, skin care and beauty, as well as medicinal values ​​such as calming, anti-bacteria...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/157A23B7/16A23B7/144A23B7/148
CPCA23B7/157A23B7/16A23B7/144A23B7/148A23V2002/00A23V2250/511A23V2250/21
Inventor 周磊刘伟钟智炜
Owner NANCHANG UNIV
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