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Grapefruit pickling and fresh-keeping composite treatment method

A compound treatment and grapefruit technology, applied in horticultural methods, fruit and vegetable preservation, botanical equipment and methods, etc., can solve the problems of pollution, drug residue environment, high equipment cost and operation cost, and achieve extended storage period and reduced water content The effect of losing and maintaining appearance

Inactive Publication Date: 2018-09-28
SOUTHWEST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the objectives of the present invention is to provide a simple, low-cost, high-safety grapefruit picking and fresh-keeping composite treatment method to prolong the post-harvest fresh-keeping time of grapefruit fruits, and at the same time solve the high equipment cost and operating cost of traditional fresh-keeping methods , drug residues and environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of grapefruit picking fresh-keeping composite treatment method, comprises the steps:

[0021] The preparation of preharvest compound agent solution: add salicylic acid and calcium chloride respectively in the aqueous solution and stir until completely dissolving, obtain salicylic acid calcium chloride compound aqueous solution, the mass volume percentage concentration of calcium chloride in the compound agent solution is 0.5%, the mass concentration of salicylic acid is 2.5mmol / L;

[0022] Test fruit tree selection: select 6 grapefruit fruit trees with basically the same size, height, growth, number of fruit bearing, fruit maturity, etc. in the same orientation and similar area of ​​the orchard;

[0023] Pre-harvest treatment: Between 9:00 am and 10:00 am 15 days before fruit picking, spray the pre-harvest compound agent solution on the fruits of 6 grapefruit trees respectively until the fruits are wet and dripping.

[0024] Fruit harvesting: between 9:00 am and...

Embodiment 2

[0030] A kind of grapefruit picking fresh-keeping composite treatment method, comprises the steps:

[0031] The preparation of preharvest compound agent solution: add salicylic acid and calcium chloride respectively in the aqueous solution and stir until completely dissolving, obtain salicylic acid calcium chloride compound aqueous solution, the mass volume percentage concentration of calcium chloride in the compound agent solution is 3%, the mass concentration of salicylic acid is 0.5mmol / L;

[0032] Test fruit tree selection: select 8 grapefruit fruit trees with basically the same size, height, growth, number of fruit bearing, fruit maturity, etc. in the same orientation and similar area of ​​the orchard;

[0033] Pre-harvest treatment: Between 5:00 p.m. and 6:00 p.m. 10 days before fruit picking, the pre-harvest compound agent solution was sprayed on the fruits of 8 grapefruit trees respectively until the fruits were wet and dripping.

[0034] Fruit harvesting: between 9:0...

Embodiment 3

[0040] A pre-harvest and post-harvest composite treatment method for grapefruit preservation, comprising the steps of:

[0041] The preparation of preharvest compound agent solution: add salicylic acid and calcium chloride respectively in the aqueous solution and stir until completely dissolving, obtain salicylic acid calcium chloride compound aqueous solution, the mass volume percentage concentration of calcium chloride in the compound agent solution is 1.5%, the mass concentration of salicylic acid is 2mmol / L;

[0042] Test fruit tree selection: select 6 grapefruit fruit trees with basically the same size, height, growth, number of fruit bearing, fruit maturity, etc. in the same orientation and similar area of ​​the orchard;

[0043] Pre-harvest treatment: Between 9:00 am and 10:00 am 12 days before fruit picking, spray the pre-harvest compound agent solution on the fruits of 6 grapefruit trees respectively until the fruits are wet and dripping.

[0044] Fruit harvesting: b...

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Abstract

The invention discloses a grapefruit pickling and fresh-keeping composite treatment method and belongs to the technical field of fruit fresh keeping. The method particularly includes steps of: at 10-15 days before picking grapefruit fruits, spraying a pre-compound agent solution composed of water, CaCl2 and salicylic acid; randomly selecting the grapefruit fruits being free from mechanical injuryand pests, being uniform in size and being 80-90% matured, and picking the grapefruit fruits; placing the picked grapefruit fruits in a post-picking fresh-keeping agent solution composed of water, ascorbic acid, citric acid and water-soluble chitosan for 5-10 min, and naturally air-drying the grapefruit fruits; packaging the grapefruit fruits independently and storing the grapefruit fruits at roomtemperature. After the grapefruit fruits is stored for 35 days, rotting rate of the grapefruit fruits is 5% and complete commercial fruit ratio can reach more than 94%. The method can maintain the original quality of the grapefruit and prolong shelf life of the fruits.

Description

technical field [0001] The invention relates to the technical field of fruit preservation, in particular to a composite treatment method for grapefruit picking and preservation. Background technique [0002] Grapefruit (Citrus paradise Macf.) belongs to the genus Citrus of Rutaceae, one of the four major groups of citrus in the world. It is called grapefruit because of its habit of fruiting in clusters. Its flesh is tender, juicy and refreshing, with a slight aroma, slightly sour taste, and a slightly bitter taste in the juice, but the taste is comfortable, rich in vitamins and various minerals, etc. It has high economic value and medicinal value. During grapefruit picking and transportation, the epidermis is damaged, prone to mildew and diseased fruit, and is easy to infect, causing post-harvest diseases and rot, resulting in very serious fruit losses. [0003] Aiming at postharvest diseases of grapefruit, the commonly used grapefruit storage methods are mainly low-temper...

Claims

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Application Information

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IPC IPC(8): A23B7/154A01G7/06
CPCA01G7/06A23B7/154A23V2002/00A23V2200/10A23V2250/032A23V2250/511A23V2250/708
Inventor 邓佳史正军王芳王连春李贤忠刘惠民
Owner SOUTHWEST FORESTRY UNIVERSITY
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