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Preservation method for collected longan fruits

A fresh-keeping method and fruit technology, applied in the fields of fruit and vegetable preservation, food preservation, food science, etc., to achieve the effect of strong operability, low processing cost and easy control

Inactive Publication Date: 2014-07-23
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no research report on the treatment of food preservatives to reduce the generation of free radicals in postharvest longan fruit pulp to control pulp autolysis, and the effect of food preservative treatment on cell wall metabolism related to the control of postharvest longan fruit pulp autolysis.

Method used

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  • Preservation method for collected longan fruits
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  • Preservation method for collected longan fruits

Examples

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Effect test

Embodiment 1

[0053] A fresh-keeping method for post-harvest longan fruit is aimed at the autolysis phenomenon of post-harvest longan fruit pulp, and establishes a set of fruit fresh-keeping methods including harvesting, fruit selection, grading, cleaning, preservative soaking, drying, packaging, and storage .

[0054] Specific steps are as follows:

[0055] (1) Harvesting: The harvesting maturity of longan fruit is nine mature, and the fruit is picked at 9:00~11:00 on a sunny morning after the dew has dried;

[0056] (2) Fruit selection and grading: sort and grade the harvested longan fruits, remove the longan fruits with mechanical damage or pests, and select the same maturity, uniform size (single fruit weight 13-14 grams) and uniform color ( The fruit appearance is light yellow) longan fruit;

[0057] (3) Cleaning: Wash the selected and graded longan fruits with running tap water to remove dust, dirt and some microorganisms on the surface of the longan fruits;

[0058] (4) Preservat...

Embodiment 2

[0064] A fresh-keeping method for post-harvest longan fruit is aimed at the autolysis phenomenon of post-harvest longan fruit pulp, and establishes a set of fruit fresh-keeping methods including harvesting, fruit selection, grading, cleaning, preservative soaking, drying, packaging, and storage .

[0065] Specific steps are as follows:

[0066] (1) Harvesting: The harvesting maturity of longan fruit is nine mature, and the fruit is picked at 9:00~11:00 on a sunny morning after the dew has dried;

[0067] (2) Fruit selection and grading: sort and grade the harvested longan fruits, remove the longan fruits with mechanical damage or pests, and select the same maturity, uniform size (single fruit weight 13-14 grams) and uniform color ( The fruit appearance is light yellow) longan fruit;

[0068] (3) Cleaning: Wash the selected and graded longan fruits with running tap water to remove dust, dirt and some microorganisms on the surface of the longan fruits;

[0069] (4) Preservat...

Embodiment 3

[0075] A fresh-keeping method for post-harvest longan fruit is aimed at the autolysis phenomenon of post-harvest longan fruit pulp, and establishes a set of fruit fresh-keeping methods including harvesting, fruit selection, grading, cleaning, preservative soaking, drying, packaging, and storage .

[0076] Specific steps are as follows:

[0077] (1) Harvesting: The harvesting maturity of longan fruit is nine mature, and the fruit is picked at 9:00~11:00 on a sunny morning after the dew has dried;

[0078] (2) Fruit selection and grading: sort and grade the harvested longan fruits, remove the longan fruits with mechanical damage or pests, and select the same maturity, uniform size (single fruit weight 13-14 grams) and uniform color ( The fruit appearance is light yellow) longan fruit;

[0079] (3) Cleaning: Wash the selected and graded longan fruits with running tap water to remove dust, dirt and some microorganisms on the surface of the longan fruits;

[0080](4) Preservati...

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Abstract

The invention discloses a preservation method for collected longan fruits. The fruit preservation method including the processes of harvesting, selecting fruits, grading, cleaning, soaking by a preservative, airing, packaging and storing is built aiming at autolysis of longan fruit pulp, and belongs to the technical field of fruit and vegetable preservation. By adopting the preservation method disclosed by the invention, the fresh longan fruits can be subjected to preservation treatment by using the preservative on the basis of keeping the eating quality of the fresh longan fruits, so that the problem of pulp autolysis in storage and preservation process of the collected longan fruits is solved, the preservation method is low in treatment cost, has low requirement on equipment, is safe, energy-saving and strong in operability, and easy to greatly popularize and use in production.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping of fruits and vegetables, and in particular relates to a fresh-keeping method of harvested longan fruits. Background technique [0002] Longan ( Dimocarpus longan Lour.), commonly known as "longan", is an important subtropical famous fruit in southern China, mainly distributed in Fujian, Guangdong, Guangxi, Hainan, Taiwan and other provinces (regions). Longan has high medicinal value and health care effect. It is known as "longan" in the south and "ginseng" in the north, and is very popular among domestic and foreign consumers. At present, my country's longan planting area and annual output both rank first in the world. However, the maturity period of Chinese longan is in the high-temperature season from July to September, and the postharvest quality deteriorates rapidly. When stored at room temperature, the postharvest flesh softens, juices, and rots quickly. This phenomenon is called "a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
CPCY02P60/85
Inventor 林河通林福兴林毅雄林艺芬陈艺晖王静
Owner FUJIAN AGRI & FORESTRY UNIV
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