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Coating preservative method for fresh-cut lotus roots

A film-coated fresh-keeping and lotus root technology is applied in the field of fresh-cut lotus root film-coated fresh-keeping, which can solve the problems of poor operability, non-natural sources, and high cost, and achieve the effects of simple use, abundant resources, and extended shelf life

Inactive Publication Date: 2015-06-17
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above-mentioned fresh-keeping methods of fruits and vegetables, preservatives with simple ingredients often fail to achieve the desired fresh-keeping effect.
However, there are problems such as complex ingredients, high cost, non-natural sources, and poor operability in the preparation and use of preservatives with remarkable fresh-keeping effects.

Method used

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  • Coating preservative method for fresh-cut lotus roots
  • Coating preservative method for fresh-cut lotus roots
  • Coating preservative method for fresh-cut lotus roots

Examples

Experimental program
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Effect test

Embodiment

[0021] A fresh-keeping method for fresh-cut lotus root, comprising the following steps:

[0022] Use the "3735" type lotus root, and select fresh lotus roots with white flesh, thick joints, no damage, and the same size. Pre-cool at 4°C for 24 hours, soak in clean water after pre-cooling, and gently scrub with a soft cloth to clean the sludge on the surface of the lotus root. Then cut off the lotus root by section, cut off the lotus root joint, peel off the lotus root skin, rinse off the residual sludge in the hole of the lotus root, and then cut into lotus root slices with a thickness of about 5mm.

[0023] Submerge the cut lotus root slices in the compound preservative for 10 minutes, take them out and dry them in the air until there is no obvious water stain on the surface of the lotus root slices. Then pack it in a box and store it at 4°C for refrigeration.

[0024] Taking 8 days of cold storage as an example, after the fresh-cut lotus root was treated with konjac polysac...

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Abstract

The invention relates to a coating preservative method for fresh-cut lotus roots, particularly to a method for processing and preserving fresh-cut lotus roots by using a composite preservative prepared from three natural resource substances, and belongs to the technical field of fruit and vegetable preservation. The coating preservative method comprises the following steps: pre-cooling lotus roots without mechanical damage, washing, slicing, soaking in the composite preservative prepared from three natural resource substances konjac glucomannan, xanthan gum and phytic acid for 10 minutes, taking out, drying in air, boxing, and refrigerating at a temperature of 4 DEG C. As the fresh-cut lotus roots are preserved by using the composite preservative with konjac glucomannan and xanthan gum and phytic acid together, the color of the fresh-cut lotus roots in the preservation period can be effectively maintained, the breath strength of the fresh-cut lotus roots is effectively inhibited, the consumption velocity of nutrient substances is reduced, and aging can be delayed. In addition, the coating preservative method has the advantages of environment protection, low cost, simplicity and convenience, high operability and the like.

Description

technical field [0001] The invention relates to a film-coated fresh-keeping method for fresh-cut lotus roots, and belongs to the technical field of fresh-keeping and storage of fruits and vegetables. Background technique [0002] Fresh-cut fruits and vegetables, also known as micro-processed fruits and vegetables, are a kind of processing of fresh fruits and vegetables, such as grading, sorting, cleaning, cutting, heart removal (willow), trimming, fresh-keeping, packaging, etc., for direct consumption by consumers or use in the catering industry. New fruits and vegetables. [0003] In recent years, with the improvement of people's living standards and the acceleration of the pace of life, people's consumption concepts have begun to change, and the requirements for fruit and vegetable consumption have become higher and higher. Fresh-cut fruits and vegetables are popular for their freshness, convenience, nutrition, and pollution-free. The majority of consumers of all ages. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/16
Inventor 屠康黄杨敏尹晓婷潘磊庆
Owner NANJING AGRICULTURAL UNIVERSITY
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