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Preservation method of lotus roots

A fresh-keeping method and lotus root technology are applied in the directions of fruit and vegetable fresh-keeping, food preservation, heating and preservation of fruits/vegetables, etc., which can solve the problems of excessive addition and usage, and achieve the effects of preventing deterioration, unchanged taste, fresh-keeping and inhibiting enzyme activity.

Inactive Publication Date: 2018-09-28
蚌埠市淮民稻田养虾农民专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the obvious effect of sulfite on lotus root fresh-keeping processing, the application of sulfite in lotus root fresh-keeping processing is still common in my country and the amount of addition exceeds the requirements of developed countries.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The invention provides a kind of lotus root fresh-keeping method, comprises the following steps:

[0025] S1. Harvest the lotus root, wash the lotus root with water to remove surface mud, and remove knots;

[0026] S2, the lotus root after removing the festival is placed in an environment full of water vapor at 154°C, and treated for 7 seconds;

[0027] S3. Soak the steamed lotus root in preservative for 18 minutes, take it out and dry it, wrap the lotus root with mud, the thickness of the mud is 1.3mm, and store it in an environment with a temperature of 16°C and a humidity of 53%. .

Embodiment 2

[0029] The invention provides a kind of lotus root fresh-keeping method, comprises the following steps:

[0030] S1. Harvest the lotus root, wash the lotus root with water to remove surface mud, and remove knots;

[0031] S2, placing the lotus root after removing the festival in an environment full of water vapor at 162°C, and treating it for 6 seconds;

[0032] S3. Soak the steamed lotus root in preservative for 17 minutes, take it out and dry it, wrap the lotus root with mud, the thickness of the mud is 1.5mm, and store it in an environment with a temperature of 11°C and a humidity of 51%. .

[0033] The raw materials of the antistaling agent in S3 include by weight: 7.6 parts of phytic acid, 3.2 parts of sodium ascorbyl phosphate, 1.8 parts of citric acid, 2.7 parts of sodium chloride, and 6100 parts of water.

[0034] The raw materials of the mud in S3 include by weight: 77 parts of pond mud, 6 parts of sodium alginate, and 38 parts of water. The preparation method of t...

Embodiment 3

[0036] The invention provides a kind of lotus root fresh-keeping method, comprises the following steps:

[0037] S1. Harvest the lotus root, wash the lotus root with water to remove surface mud, and remove knots;

[0038] S2, placing the lotus root after removing the festival in an environment full of water vapor at 178°C, and treating it for 8 seconds;

[0039] S3. Soak the lotus root after the water steam treatment in the antistaling agent for 19 minutes, take it out and dry it, and wrap the mud on the surface of the lotus root. The thickness of the mud is 1.1mm. After spraying pepper water outside the mud, at a temperature of 19°C, Stored in an environment with a humidity of 47%, the dosage of pepper water is 0.12 g / cm 2 , the preparation method of pepper water is as follows: crush the pepper to 250 mesh, add it into water whose weight is 56 times the weight of pepper, and stir evenly to obtain pepper water.

[0040] The raw materials of the antistaling agent in S3 includ...

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PUM

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Abstract

The present invention discloses a preservation method of lotus roots. The preservation method of the lotus roots comprises the following steps: lotus roots are collected; the collected lotus roots arerinsed with water to remove surface mud; nodes are removed; the node-removed lotus roots are placed in an environment filled with water steam of 150-180 DEG C to be treated for 5-10 seconds; the water steam-treated lotus roots are put in a preservative agent for soaking for 15-20 minutes; the soaked lotus roots are taken out to be air-dried; mud wraps the surfaces of the lotus roots; and the lotus roots are stored in an environment of a temperature of 5-25 DEG C and a humidity of 40%-80%. The provided lotus root preservation method prolongs the storage period of the lotus roots, effectively prevents the lotus roots from deterioration and flavor reversion, and does not use sulfite components.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping of vegetables, in particular to a fresh-keeping method of lotus root. Background technique [0002] Lotus root is a large-scale planted aquatic vegetable in my country, and the middle and lower reaches of the Yangtze River and the provinces in the south of the Yangtze River are rich in production areas. Lotus root is rich in nutrition, crisp and tender, fragrant and sweet. It has health benefits such as invigorating the spleen and appetizing, nourishing blood and promoting body fluids. It is one of the important foreign exchange-earning vegetables exported in my country. [0003] Lotus root is a root vegetable with high water content, thin skin and easily damaged skin. It grows in the soil in the water layer for a long time. After the harvested lotus root is out of the mud, it will show skin discoloration, tissue wilting and The phenomenon of fibrosis seriously affects the edible quality, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/157A23B7/16A23B7/153A23B7/005
CPCA23B7/154A23B7/0053A23B7/153A23B7/157A23B7/16A23V2002/00A23V2200/10
Inventor 王宇
Owner 蚌埠市淮民稻田养虾农民专业合作社
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