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Biological disease resistance inducing fresh-keeping agent for fruits

A technology for preservatives, fruits and vegetables, applied in the directions of preservation of fruits and vegetables, biocides, animal repellents, etc., can solve problems such as low cost, and achieve the effect of simple application method, no toxic side effects, and high quality of fruits and vegetables.

Inactive Publication Date: 2006-12-27
NAT ENG AN TECH RES CENT FOR PRESERVATION OF AGRI PROD TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no effective, low-cost and large-scale production of bio-inducing antistaling agents used in post-harvest storage and preservation of fruits and vegetables.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0066] Example 1: The fresh-keeping effect of biological inducement antistaling agent on grapes:

[0067] Spray the grapes with 100 μg / ml bio-inducing antistaling agent one week before harvesting, and pre-cool them in time after harvesting. According to the conventional preservation process for grapes in production, the preservation period of grapes can be extended by 20 days, and the rot rate can be reduced by 10. %.

example 2

[0068] Example 2: The fresh-keeping effect of biological inducers on garlic sprouts:

[0069] Garlic sprouts were sprayed with 150 μg / ml bio-inducing antistaling agent one week before harvesting, and regularly sprayed with special antistaling agent during storage and preservation. The garlic sprouts are reduced by 15%, and the freshness period can be extended by one month.

example 3

[0070] Example 3: The fresh-keeping effect of bio-attractants on tomatoes:

[0071] Spraying tomato fruits with 150 μg / ml bio-inducing antistaling agent before harvesting, or dipping treatment with 100 μg / ml preservative before storage, the incidence of botrytis after 30 days of storage was 20% lower than that without treatment with the bio-inducing disease-resistant antistaling agent %, the shelf life can be extended by 10 days.

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PUM

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Abstract

Disclosed is a biological antistaling agent for fruits and vegetables, which comprises oligosaccharide 10%, surface active agent 2% and balancing water, wherein the oligosaccharide is polymerized from various monosaccharides including glucose, mannose, arabinose, cerebrose and xylose by the molar ratio of 1:3:6:2:1.

Description

technical field [0001] The invention belongs to agricultural product fresh-keeping technology and supplies, in particular to a fruit and vegetable biological inducement fresh-keeping agent, its production process and application in fresh fruit and vegetable fresh-keeping. Background technique [0002] The rot caused by pathogenic bacteria after harvest of fruits and vegetables has become a bottleneck restricting the development of the postharvest industry of fruits and vegetables. According to statistics, the postharvest rot of fruits and vegetables in the world accounts for 20-30% of the total amount of fruits and vegetables. At present, chemical fungicides combined with cold storage are mainly used to prevent and control the rot caused by postharvest pathogenic bacteria in fruits and vegetables. However, chemical fungicides are harmful to human health and the environment, and their use is gradually controlled, and biological fresh-keeping technology has gradually attracted...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/16A01N63/04
Inventor 关文强阎瑞香李宁胡云峰井泽良
Owner NAT ENG AN TECH RES CENT FOR PRESERVATION OF AGRI PROD TIANJIN
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