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A kind of antisepsis and fresh-keeping method of postharvest citrus

A citrus and post-harvest technology, which is applied in the field of post-harvest citrus antiseptic preservation, can solve problems that have not been discovered, and achieve the effect of maintaining the original quality, maintaining the coloring index, and convenient operation

Active Publication Date: 2018-01-23
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Through literature search, there is no report of adding cinnamaldehyde to fruit wax solution to control postharvest diseases of citrus

Method used

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  • A kind of antisepsis and fresh-keeping method of postharvest citrus
  • A kind of antisepsis and fresh-keeping method of postharvest citrus
  • A kind of antisepsis and fresh-keeping method of postharvest citrus

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Embodiment 1

[0022] The anti-corrosion and fresh-keeping method of postharvest citrus of the present invention comprises the following steps:

[0023] 1. Fruit picking: choose sunny days to harvest ripe ponkan fruits with uniform maturity, uniform size and color, no mechanical wounds, and no blemishes;

[0024] 2. Surface cleaning: Spread the citrus fruits at room temperature for 1 day after harvesting, clean the fruit surface with tap water, soak in a solution with a volume fraction of 2% NaClO for 2 minutes, wash with distilled water for 3 times, and dry in the air;

[0025] 3. Inoculation: Prick two 5×5×4 mm (length×length×depth) “cross” wounds symmetrically with a sterile scalpel at the equator of the fruit, and inoculate 10 μL of each wound at a mature concentration of 1×10 7 CFU / ml Penicillium digitatum spore suspension, let stand for 4 h;

[0026] 4. Prepare cinnamaldehyde-fruit wax solution: Accurately measure 0.25 mL and 2.50 mL of cinnamaldehyde, add 12 mL Tween-80, and dilute ...

Embodiment 2

[0038] The anti-corrosion and fresh-keeping method of postharvest citrus of the present invention comprises the following steps:

[0039] 1. Fruit picking: choose sunny days to harvest mature Miyagawa fruits with uniform maturity, uniform size and color, no mechanical wounds, and no blemishes;

[0040] 2. Surface cleaning: Spread the citrus fruits at room temperature for 1 day after harvesting, clean the fruit surface with tap water, soak in 2% NaClO solution for 2 minutes, wash with distilled water for 3 times, and dry in the air;

[0041] 3. Inoculation: Prick two 5×5×3 mm (length×length×depth) “cross” wounds symmetrically with a sterile scalpel at the equator of the fruit, and inoculate each wound with 20 μL of the cultured mature concentration

[0042] 1×10 7 CFU / ml Penicillium digitatum spore suspension, let stand for 4 h;

[0043] 4. Prepare cinnamaldehyde-fruit wax solution: Accurately measure 0.25 mL, 0.50 mL, and 1.00 mL of cinnamaldehyde, add 12 mL of Tween-80, an...

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Abstract

The invention discloses a method for anticorrosion and preservation of postharvest citrus. The method comprises the following steps: selecting sunny days to harvest citrus fruits with uniform sizes and colors and without mechanical wound and flaws; inoculating mature common citrus postharvest disease strains (penicillium digitatum and sour rot strains) to skins of the citrus fruits subjected to disinfection treatment, and then soaking the fruits with practical cinnamyl aldehyde-fruit wax solution (containing 2.5 percent tween-80) for 15-30 s after leaving to stand for 4 h; naturally airing, packaging and storing the citrus at room temperature. The method adopts the technical scheme of firstly performing surface inoculating on the citrus and then soaking the citrus with cinnamyl aldehyde-fruit wax solution, is novel in thinking, and breaks through traditional thinking. Cinnamyl aldehyde adopted belongs to an edible biological bacteriostatic agent, can effectively reduce the disease percentage of green mold and sour rot of citrus fruits, does not affect the quality of the fruits, and has a good application prospect in the field of anticorrosion and preservation of citrus.

Description

technical field [0001] The invention relates to a method for controlling main postharvest diseases of citrus, in particular to a postharvest citrus antiseptic preservation method for inhibiting postharvest green mold, sour rot and the like by using a cinnamaldehyde-fruit wax solution. Background technique [0002] Citrus is the largest fruit in the world and in southern my country, and the citrus industry is an important part of the world economy. However, due to the characteristics of high water content, low pH and high nutritional value of citrus fruits, fruit damage caused by improper measures during harvesting, transportation and storage is very easy to be infected by fungi, which brings great harm to the citrus industry. huge loss. These diseases mainly refer to green mold caused by Penicillium digitatum and acid rot caused by Acid rot fungus. At present, the fungicides used to control postharvest diseases of citrus on the market mainly include: benzimidazoles (carben...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/00A23B7/155A23B7/154
Inventor 陶能国段小芳敬国兴黄师荣欧阳秋丽
Owner XIANGTAN UNIV
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