Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Asparagus fresh-keeping technique at low temperature

An asparagus and low-temperature technology, which is applied in the field of vegetable preservation, can solve the problems of strong respiration, troublesome fresh sales, and intolerance to storage, etc., to achieve the effects of inhibiting respiration, reducing the rate of water loss, and slowing down aging

Active Publication Date: 2008-10-22
上海伊禾农产品科技发展股份有限公司
View PDF0 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As the young stems of asparagus have high water content and strong respiration, they are not resistant to storage after harvesting, which brings a lot of troubles to fresh sales

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] After washing the asparagus with clean water to clean the dirt at the base, place it vertically at 2°C for 4 to 5 hours to pre-cool, choose straight and round, moderate thickness, tight top scales, no pests, no hollow, no cracks, no rust and no Mechanically damaged asparagus. Soak the asparagus in the chitosan fresh-keeping solution for 1-2 minutes, take it out, and dry it in the natural airflow to form a transparent and bright film on the surface. Then they were stored at 2°C respectively.

[0010] The main components of the fresh-keeping solution are chitosan, glacial acetic acid, and sodium dehydroacetate (bactericide). The chitosan content is designed to be 1.0%. Dissolve the calculated and weighed chitosan in glacial acetic acid, stir for a certain period of time until uniform, then add additives such as sodium dehydroacetate, and finally adjust the pH to 4.5-5.5.

[0011] The asparagus processed by this method can be kept for 18 days under refrigerated conditio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to a method for preserving vegetables, which relates to a process for preserving asparagus at a low temperature. The process comprises the steps that: after the dirt is removed from the asparagus by water, the asparagus is precooled; then the precooled asparagus is put in a chitosan preservative solution for immersion; after being fished out and dried with air, the asparagus is stored at the temperature of 2 DEG C. By adopting the chitosan as the preservative, the method of the invention is used for preserving the asparagus in a low-temperature environment, thus effectively inhibiting the respiration of the asparagus, lowering the dehydration rate and deferring the aging of the asparagus.

Description

technical field [0001] The invention belongs to a method for preserving vegetables, and relates to a fresh-keeping process for asparagus at low temperature. Background technique [0002] Asparagus is a rare vegetable with rich nutritional value and certain medicinal value. It is rich in vitamins, minerals, etc., and has a good effect on cancer prevention and treatment. In recent years, the demand for asparagus in the international and domestic markets has been increasing day by day, and the market prospect is broad. [0003] Asparagus is a very popular vegetable, but its storage period is only about one week at 2.5°C. The respiratory heat of fresh asparagus occupies the first place among vegetables. The tender stems harvested at room temperature will lose weight, increase fiber, and deteriorate quality within a few hours, and will completely wilt or rot within 2 to 3 days. At present, many domestic scientific research workers Research has been done on the preservation of a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): A23B7/04A23B7/154
Inventor 谢晶张喜才韩志
Owner 上海伊禾农产品科技发展股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com