Fruit and vegetable preservative and use method thereof

A technology for preservatives and vegetables, applied in the field of preservatives for fruits and vegetables, can solve problems such as difficulty in controlling harmful gases, and achieve the effects of inhibiting the respiration of fruits and vegetables, prolonging the preservation period and prolonging the preservation period.

Inactive Publication Date: 2010-06-16
吴定国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the modified atmosphere packaging for fruit and vegetable storage was to adjust the initial storage gas in the warehouse or packaging bag, and it was difficult to control the harmful gas produced by the self-respiration of fruits and vegetables in storage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Vacuum-packed fresh garlic:

[0016] First, preservatives are configured: mixed in parts by weight of carbon dioxide adsorbent 85: ethylene absorbent 7: gas release agent 0: deodorant 5: air humidity regulator 3, and packed in three-layer bags.

[0017] Then, 1KG garlic rice is inserted into packing bag, then inserts the antistaling agent bag that above-mentioned 40g antistaling agent is housed.

[0018] Finally, at 0°C, the shelf life of this product is 5 days if not used, and 40 days after use.

Embodiment 2

[0020] Fresh-keeping chestnut kernels in vacuum packaging: mixed in parts by weight of carbon dioxide adsorbent 70: ethylene absorbent 10: gas release agent 5: deodorant 10: air humidity regulator 5, and packed in three-layer bags.

[0021] As above, the ratio of preservatives may be different.

[0022] At 20°C, the shelf life of this product is 2 days without use, and 30 days after use; at 0°C, the shelf life of this product is half a year. At present, it has been widely used in domestic vacuum packaging chestnut kernel enterprises.

Embodiment 3

[0024] Vacuum-packed peeled potatoes: mixed in parts by weight of carbon dioxide adsorbent 75: ethylene absorbent 10: gas release agent 2: deodorant 10: air humidity regulator 3, and packed in three-layer bags.

[0025] ditto

[0026] At 0°C, the shelf life of this product is 5 days if not used, and 60 days after use. At present, it has been promoted in some export vegetable processing enterprises in China.

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PUM

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Abstract

The invention relates to a fruit and vegetable preservative and a use method thereof. The preservative comprises a carbon dioxide adsorbent used for absorbing the carbon dioxide to ensure the volume content of the carbon dioxide in the enclosed environment to be 0.1-20%, an ethylene absorbent used for absorbing the ethylene to ensure the volume content of the ethylene in the enclosed environment to be less than 0.01% and a gas release agent used for releasing the oxygen to ensure the volume content of the oxygen in the enclosed environment to be 1-5%. The gas release agent is hyperoxide and is mixed with the carbon dioxide adsorbent and the ethylene absorbent in a weight ratio of 0-50:50-95:2-50. The preservative can prolong the fruit and vegetable preservation period, can effectively control the change of the smell, mouthfeel, color and the like, belongs to pure physical preservation and has no influence on the inner quality of the fruits and vegetables.

Description

technical field [0001] The invention relates to a fresh-keeping agent for fruits and vegetables and a method for using the fresh-keeping agent. Background technique [0002] In China, 80 million tons of fruits and vegetables rot every year, with a total loss of 80 billion yuan. The main reasons for the rot and deterioration of fruits and vegetables in the process of storage, logistics, and sales after picking are: the infection of pathogenic microorganisms and the ethylene released by the respiration of fruits and vegetables to accelerate ripening. In the past, the modified atmosphere packaging for fruit and vegetable storage was to adjust the initial storage gas in the warehouse or packaging bag, and it was difficult to control the harmful gas produced by the self-respiration of fruits and vegetables in storage. To control the harmful gases and odors produced by fruits and vegetables during storage, it is necessary to effectively control the breathing environment of fruits...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/152A23B7/157
Inventor 吴定国
Owner 吴定国
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