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Loquat comprehensive storage fresh-keeping method

A technology for storing and preserving fruits, which is applied in the field of fruit storage, and achieves the effects of wide application prospects, alleviating aging symptoms, and simple methods of use

Inactive Publication Date: 2009-06-17
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is no report on postharvest loquat fruits treated with 1-MCP for low temperature storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Select loquat fruits with uniform size, consistent maturity and no mechanical damage, directly put them into a sealed container, and treat them with 1-MCP at a concentration of 5 μl / L, that is, put 1.5 g of preparation powder (Ethybloc TM , a.i. is 0.5%) and inject 30ml water to dissolve, vibrate, 1-methylcyclopropene gas will release immediately, the 1-methylcyclopropene gas concentration that produces is 10000 μ l / L (as CO), and fruit treatment concentration is 5μl / L (C1), only need to extract V2 (calculated according to the formula C1×V1=C0×V2, V2=V1 / 2000) volume of 1-methyl Cyclopropene gas is injected into the airtight container, and V2 volume of water is injected simultaneously to keep the gas balance in the sealed bottle. The treatment time is 12 hours, the treatment temperature is 20°C, and the treated fruit is stored at 0°C.

Embodiment 2

[0019] Select loquat fruits with uniform size, consistent maturity and no mechanical damage, directly put them into a sealed container, and treat them with 1-MCP at a concentration of 5 μl / L, that is, put 1.5 g of preparation powder (Ethybloc TM , a.i. is 0.5%) and inject 30ml water to dissolve, vibrate, 1-methylcyclopropene gas will release immediately, the 1-methylcyclopropene gas concentration that produces is 10000 μ l / L (as CO), and fruit treatment concentration is 5 μl / L (C1), according to the treated loquat fruit and the volume (V1) of the airtight container, extract V2 (calculated according to the formula C1×V1=C0×V2, V2=V1 / 2000) volume of 1-methylcyclopropene Gas is injected into the airtight container, and water of V2 volume is injected simultaneously to keep the gas balance in the sealed bottle. The treatment time is 12 hours, the treatment temperature is 20° C., and the treated fruit is stored at 5° C.

Embodiment 3

[0021] Select loquat fruits with uniform size, consistent maturity and no mechanical damage, directly put them into a sealed container, and treat them with 1-MCP at a concentration of 5 μl / L, that is, put 1.5 g of preparation powder (Ethybloc TM , a.i. is 0.5%) and inject 30ml water to dissolve, vibrate, 1-methylcyclopropene gas will release immediately, the 1-methylcyclopropene gas concentration that produces is 10000 μ l / L (as CO), and fruit treatment concentration is 50μl / L (C1), only need to extract V2 (calculated according to the formula C1×V1=C0×V2, V2=V1 / 2000) volume of 1-methyl Cyclopropene gas is injected into the airtight container, and V2 volume of water is injected at the same time to maintain the gas balance in the sealed bottle. The treatment time is 12 hours, the treatment temperature is 20 ° C, and the treated fruits are stored under LTC conditions.

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Abstract

The invention which is a synthetic preservation fresh-keeping method, provides a loquat fruit synthetic preservation fresh-keeping method comprising processing loquat fruits by adopting 5mu 1 per L 1-MCP, processing picked loquat fruits by combining different low temperatures, and regulating and controlling the preservation condition. Comparing with the method for preserving loquat fruits simply by adopting a low temperature, the method the design of which is reasonable can effectively avoid cool damage of fruits, controlling the rate of decay of picked loquat fruits, delaying senescence symptom of picked loquat fruits in the preservation process and prolonging the preservation period. The method can be used in processes of before-picking, after-picking, before-boxing transportation and before-selling of fruits, and the fruits can be processed in a greenhouse, an ice house, a shipping container and a packing box by the method. The present invention also has characteristics of low use concentration, long actuation duration, low toxity, light environment pollution, large processing number, simple using method and outstanding fresh-keeping effect. The method is suitable for commercial scale commerciality application and has an extensive application prospect.

Description

technical field [0001] The invention belongs to a fruit storage method, and relates to a storage and fresh-keeping method for cold-sensitive horticultural products, in particular to a comprehensive storage and fresh-keeping method for loquat fruit through chemical treatment and suitable low temperature. Background technique [0002] Ethylene is a key factor regulating fruit ripening, senescence and quality changes. The inhibitor of ethylene action, 1-Methylcyclopropene (1-MCP), can strongly compete with ethylene receptors and bind tightly to ethylene receptors through metal atoms, thereby inhibiting a series of physiological and biochemical reactions induced by ethylene and delaying fruit ripening . As a preservative, 1-MCP can inhibit post-ripening and senescence of fruits, prevent post-harvest physiological diseases and rot of fruits, maintain the quality of fruits and vegetables and prolong the storage period. [0003] Low temperature storage is one of the most effectiv...

Claims

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Application Information

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IPC IPC(8): A23B7/00A23B7/154A23B7/152A23B7/04
Inventor 李鲜陈昆松张波徐昌杰金微微王平孙崇德宋肖琴
Owner ZHEJIANG UNIV
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