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A kind of post-harvest storage and fresh-keeping method of pitaya fruit

A technology for storage and preservation of dragon fruit, applied in the field of storage and preservation of dragon fruit after harvest, can solve the problems of decreased resistance and disease resistance, not very suitable for dragon fruit, uneven surface, etc., achieves edible safety and improves storage. The quality, the effect of good quality

Active Publication Date: 2018-10-19
LINGNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, dragon fruit is more sensitive to low temperature during refrigeration and preservation. Chilling damage can occur at a storage temperature below 4°C. Chilling damage not only affects the appearance of the fruit, but also reduces the quality of the fruit. Decreased resistance and disease resistance, as well as its own physiological disorder, cause it to rot faster than the fruit that has been kept at room temperature; in addition, the coating preservation technology is not very suitable for the preservation of pitaya, because pitaya has scales and the surface is not smooth. , it is not easy to form a complete film layer, and the ideal fresh-keeping effect cannot be achieved

Method used

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  • A kind of post-harvest storage and fresh-keeping method of pitaya fruit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Pitaya fruit post-harvest storage and preservation experiments, including the following steps:

[0024] 1. Selection of experimental fruit trees: 10 dragon fruit trees with basically the same size, height, growth, number of fruit bearing, fruit maturity, etc. were selected in the same orientation and similar area of ​​the orchard.

[0025] 2. Timely harvesting of fruits: Pick dragon fruit fruits with uniform size, no pests and diseases, no damage, appropriate maturity and basically the same (that is, 26-28 days after the flower fades, and 7-10 days after the peel starts to turn red) for harvesting. Harvesting, when harvesting, the fruit stem should be cut off and part of the stem flesh should be attached, and collision and extrusion should be avoided at the same time to avoid various mechanical damage.

[0026] 3. Post-harvest treatment: Wash the dragon fruit fruit with clean water, pay special attention to carefully clean the wound on the fruit stem; then use fungicide...

Embodiment 2

[0030] The pitaya fruit post-harvest storage and fresh-keeping method comprises the following steps:

[0031] 1. Selection of experimental fruit trees: 10 dragon fruit trees with basically the same size, height, growth, number of fruit bearing, fruit maturity, etc. were selected in the same orientation and similar area of ​​the orchard.

[0032] 2. Timely harvesting of fruits: Pick dragon fruit fruits with uniform size, no pests and diseases, no damage, appropriate maturity and basically the same (that is, 26-28 days after the flower fades, and 7-10 days after the peel starts to turn red) for harvesting. Harvesting, when harvesting, the fruit stem should be cut off and part of the stem flesh should be attached, and collision and extrusion should be avoided at the same time to avoid various mechanical damage.

[0033] 3. Post-harvest treatment: wash the dragon fruit fruit with clean water, pay special attention to carefully clean the wound at the fruit stem; then wash it with S...

Embodiment 3

[0037] The pitaya fruit post-harvest storage and fresh-keeping method comprises the following steps:

[0038] 1. Selection of test fruit trees: 8 dragon fruit trees with basically the same size, height, growth, number of fruits, and maturity of fruits were selected in the same orientation and similar area of ​​the orchard.

[0039] 2. Timely harvesting of fruits: Pick dragon fruit fruits with uniform size, no pests and diseases, no damage, appropriate maturity and basically the same (that is, 26-28 days after the flower fades, and 7-10 days after the peel starts to turn red) for harvesting. Harvesting, when harvesting, the fruit stem should be cut off and part of the stem flesh should be attached, and collision and extrusion should be avoided at the same time to avoid various mechanical damage.

[0040] 3. Post-harvest treatment: wash the dragon fruit fruit with clean water, pay special attention to carefully clean the wound at the fruit stem; then wash the fruit with 75% alco...

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Abstract

The invention relates to the technical field of fruit and vegetable fresh keeping, in particular to a postharvest storage and fresh keeping method for pitaya fruits. The method comprises the step that the harvested pitaya fruits are soaked in a jasmonic acid methyl ester solution and a methyl salicylate solution in sequence, and therefore the phenomena that matured fruits are rotten, softened and the like are obviously reduced. By the adoption of the method, the pitaya fruit fresh keeping time can be remarkably prolonged, and storage quality can be improved. After the pitaya fruits are stored at normal temperature for 15 days and stored at low temperature for 25 days, the rotting rate of the pitaya fruits is reduced to below 15%. The storage period of the fruits at normal temperature and low temperature is effectively prolonged, the flavor and quality of the pitaya fruits are not affected, and the method has the advantages that the comprehensive utilization rate is high, the pitaya fruits are safe to eat, the quality is high, and the production is environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping of fruits and vegetables, in particular to a method for post-harvest storage and fresh-keeping of dragon fruit. Background technique [0002] pitaya( Hylocereus undatus ), also known as red dragon fruit, fairy fruit, lover fruit, etc., belongs to the genus Hylocereus and Selenicereus of the family Cactaceae (Cactaceae), with unique shape, bright color and rich nutrition. The emerging tropical health-care fruit integrating fruits, flowers and vegetables is widely loved by consumers. In 2014, the national planting area was about 7000 hm 2 . However, dragon fruit is very perishable after harvesting, and the supply period of fresh fruit is short. The biggest problem in the process of sales is how to maintain the quality of dragon fruit during long-distance storage and transportation, and delay the aging and rot of dragon fruit to a greater extent. [0003] At present, a variety of methods ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/154A23B7/157
Inventor 刘锴栋黎海利袁长春陈燕刘金祥
Owner LINGNAN NORMAL UNIV
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