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Application of preservative in postharvest storage and preservation of citrus fruits

A technology for storage and preservation of fresh-keeping agent, which is applied in the application field of preservative and fresh-keeping agent in postharvest storage and preservation of citrus

Active Publication Date: 2014-05-28
四川润尔科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report about the use of fluroxypyr for postharvest storage and preservation of citrus. After 3 years of research, we have continuously screened and tested 35 potential preservatives and found that it has the same performance as 2,4 after treating citrus. -D has a completely similar antiseptic and fresh-keeping effect, and it is very likely to be developed as an efficient and environmentally friendly 2,4-D substitute

Method used

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  • Application of preservative in postharvest storage and preservation of citrus fruits
  • Application of preservative in postharvest storage and preservation of citrus fruits
  • Application of preservative in postharvest storage and preservation of citrus fruits

Examples

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Effect test

Embodiment 1

[0021] A kind of antiseptic antistaling agent is used in the postharvest storage and preservation of citrus, and its steps are as follows:

[0022] 1. Solution preparation: weigh 0.255 g and 0.221 g of fluroxypyr acetic acid solid powder and 2,4-D solid powder respectively, add 5L of tap water, and add 4g of sodium hydroxide (chemical formula: NaOH) to help dissolve, and prepare 0.2mmol / L solution.

[0023] A kind of fluroxypyr ( fluroxypyr) The structure and molecular formula are as follows:

[0024] Chinese name: Fluroxypyr; English name: Fluroxypyr; Molecular formula: C 7 h 5 o 3 N 2 FCl 2 ; Molecular weight: 255.03; CAS number: 69377-81-7.

[0025]

[0026]

[0027] 2. Experimental treatment: Select Olinda summer orange, soak the summer orange fruit with the above two solutions and tap water for 2 minutes, dry it naturally, bag the fruit, and then place it at a temperature of 20°C-25°C 85%-90% stored in a controlled atmosphere warehouse for 2 months.

[...

Embodiment 2

[0031] A kind of antiseptic antistaling agent is used in the postharvest storage and preservation of citrus, and its steps are as follows:

[0032]1. Solution preparation: Weigh 0.255 g and 0.221 g of fluroxypyr acetic acid solid powder and 2,4-D solid powder respectively, add 5L of tap water, and add 4g of sodium hydroxide (NaOH) at the same time to help dissolve, and prepare 0.2mmol / L solution.

[0033] 2. Experimental treatment: select Wenzhou satsuma, soak the summer orange fruit in the above two solutions and tap water for 2 minutes, dry naturally, bag the fruit, and then place it at a temperature of 20°C-25°C and a humidity of 85%. -90% stored in a controlled atmosphere warehouse for 4 weeks.

[0034] 3. The results showed that the senescence rates of fruit pedicles of Lunwanxia oranges treated with clofluroxyacetic acid and 2,4-D solution and stored at 20°C for 4 weeks were 34.75% and 28.21%, respectively, with no significant difference; After 2,4-D solution treatmen...

Embodiment 3

[0036] A kind of antiseptic antistaling agent is used in the postharvest storage and preservation of citrus, and its steps are as follows:

[0037] 1. Solution preparation: Weigh 0.255 g and 0.221 g of fluroxypyr acetic acid solid powder and 2,4-D solid powder respectively, add 5L of tap water, and add 4g of sodium hydroxide (NaOH) at the same time to aid dissolution, and prepare 0.2mmol / L The solution.

[0038] 2. Experimental treatment: Select Wenzhou satsuma, soak the summer orange fruit in the above two solutions and tap water for 2 minutes, dry it naturally, bag the fruit, and then place it at a temperature of 2°C-6°C and a humidity of 85%. -90% stored in a controlled atmosphere warehouse for 3 months.

[0039] 3. The results showed that the senescence rate of fruit pedicles of Satsuma mandarins treated with fluroxyfen and 2,4-D solution and stored at 5°C for 3 months were 28.80% and 29.34%, respectively; fluroxypyr and 2,4-D The fruit rot rates of Satsuma citrus treat...

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Abstract

The invention discloses application of a preservative in postharvest storage and preservation of citrus fruits. The application comprises the following steps: 1, fruit material selection, to be specific, selecting citrus fruits reaching commercial maturity; 2, preservative preparation: preparing a 0.2mmol / L fluroxypyr solution and a 0.2mmol / L 2, 4-D solution; 3, experimental treatment: selecting the citrus fruits, soaking the citrus fruits through the two prepared solution and tap water for 2 min respectively, naturally drying, then bagging the fruits, and storing. The application method is feasible, and simple and convenient to operate. The 0.2mmol / L fluroxypyr solution and the 0.2mmol / L 2, 4-D solution can effectively delay the withering of pedicels of the citrus fruits, reduces the rotting rate of fruits, prolongs the storage period of fruits, and besides, maintains the fruit quality and the effects of the two solutions are about the same. The application is characterized in that the preservation effect is remarkable, the toxicity is low, the degradation is easy, and the processing method is simple and feasible.

Description

technical field [0001] The invention belongs to the technical field of post-harvest citrus biology, and in particular relates to the application of an antiseptic and antistaling agent in post-harvest storage and preservation of citrus. Background technique [0002] 2,4-Dichlorophenoxyacetic acid (2,4-D) is a commonly used herbicide and plant growth regulator, and is widely used in the production practice of fruit preservation and preservation. In the process of post-harvest commercialization of citrus, the use of 2,4-D combined with fungicides is the most widely used chemical preservation method in citrus antiseptic preservation technology. It can delay the delamination of fruit stems by inhibiting the metabolic activities of fruits. The formation of citrus fruit keeps the pedicle green and fresh without falling off, thereby preventing the pathogen from infecting the fruit, reducing the occurrence of diseases during the storage period of the fruit, and prolonging the storage...

Claims

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Application Information

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IPC IPC(8): A23B7/154
Inventor 程运江朱丽华孔德信张立马巧利吴武邓秀新
Owner 四川润尔科技有限公司