Preservation method for bamboo shoots

A fresh-keeping method and technology of bamboo shoots, which are applied in the fields of fruit and vegetable preservation, food preservation, heating and preservation of fruits/vegetables, etc., can solve the problems of accelerated fiber aging, loss of edible value, rot and deterioration, etc., to reduce weight loss rate and rot index, Reduce the loss of nutrients and reduce the effect of mildew

Inactive Publication Date: 2016-11-09
QIANSHAN COUNTY FUYUAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bamboo shoots, as vigorously growing buds of bamboo, undergo normal growth and development and accompanying lignification like the buds of other plants under normal growth conditions. After bamboo shoots are isolated, the fiber aging speed is accelerated, and the lignification process is rapid. After 24 hour

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of fresh-keeping method of bamboo shoots, comprises the following steps:

[0021] (1) Ultrasonic cleaning: Utilize an ultrasonic cleaning instrument with a set frequency of 25KHZ to vibrate and clean the picked bamboo shoots in water at 30°C for 5 minutes;

[0022] (2) Put the bamboo shoots after shaking and cleaning in the fresh-keeping solution and soak for 3 minutes; Chitosan 5 parts, water 10 parts;

[0023] (3) After the soaked bamboo shoots are dried, the temperature is 10° C., and the relative humidity is 80% to carry out ultraviolet radiation. During irradiation, the ultraviolet wavelength is 255nm, and the radiation dose is 2.0KJ / M 2 , the time is 5 minutes;

[0024] (4) The bamboo shoots processed in step (3) were subjected to heat shock treatment at 30° C. for 2 minutes, and the bamboo shoots were taken out rapidly;

[0025] (5) placing the bamboo shoots after the heat shock treatment in an indoor environment of 20°C to dissipate heat, and then use ...

Embodiment 2

[0031] A kind of fresh-keeping method of bamboo shoots, comprises the following steps:

[0032] (1) Ultrasonic cleaning: Utilizing an ultrasonic cleaning instrument with a set frequency of 25KHZ, the bamboo shoots after picking were vibrated and cleaned in 30°C water for 6 minutes;

[0033] (2) The bamboo shoots after shaking and cleaning are soaked in the fresh-keeping solution for 4 minutes; the fresh-keeping solution is mixed by the following components by weight: 15 parts of aloe extract, 12 parts of honeysuckle extract, 4 parts of vitamin E, Chitosan 6 parts, water 15 parts;

[0034] (3) after soaking the bamboo shoots in the air, carry out ultraviolet irradiation under the environment that temperature is 12 ℃, relative humidity is 85%, during irradiation, ultraviolet wavelength is 255nm, and radiation dose is 2.2KJ / M 2 , the time is 4 minutes;

[0035] (4) The bamboo shoots processed in step (3) were subjected to heat shock treatment at 35° C. for 3 minutes, and the ba...

Embodiment 3

[0042] A kind of fresh-keeping method of bamboo shoots, comprises the following steps:

[0043] (1) Ultrasonic cleaning: Utilize an ultrasonic cleaning instrument with a set frequency of 25KHZ to vibrate and clean the picked bamboo shoots in water at 30°C for 8 minutes;

[0044] (2) Put the bamboo shoots after shaking and cleaning in the fresh-keeping solution and soak for 5 minutes; Chitosan 10 parts, water 20 parts;

[0045] (3) After the soaked bamboo shoots are dried, the temperature is 15° C., and the relative humidity is 90% to carry out ultraviolet irradiation. During irradiation, the ultraviolet wavelength is 255nm, and the radiation dose is 2.5KJ / M 2 , the time is 5 minutes;

[0046] (4) The bamboo shoots processed in step (3) were subjected to heat shock treatment at 40° C. for 3 minutes, and the bamboo shoots were taken out rapidly;

[0047] (5) placing the bamboo shoots after the heat shock treatment in an indoor environment of 25° C. to dissipate heat, and then u...

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PUM

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Abstract

The invention discloses a preservation method for bamboo shoots. The method includes the steps that 1, ultrasonic cleaning is carried out; 2, the bamboo shoots are soaked in a preservation solution, wherein the preservation solution is prepared from, by weight, 10-20 parts of aloe extract liquor, 10-15 parts of honeysuckle flower extract liquor, 3-5 parts of vitamin E, 5-10 parts of chitosan and 10-20 parts of water; 3, ultraviolet radiation is carried out; 4, heat shock treatment is carried out; 5, cooling and non-sealed packaging are carried out; 6, the bamboo shoots are put into an air-conditioned cold store with the temperature of 8-10 DEG C and stored for 1-3 h, and then the temperature of the air-conditioned cold store is regulated to be 2-5 DEG C to continue cold storage. By means of the preservation method for the bamboo shoots, browning, ageing and mildewing of the bamboo shoots can be effectively prevented, the weight loss ratio and rot index of the bamboo shoots can be reduced, the preservation time of the bamboo shoots can be prolonged, the loss of nutritional ingredients can be reduced, the flavor and quality of the bamboo shoots can be guaranteed, and safety and high efficiency can be achieved.

Description

technical field [0001] The invention relates to the technical field of bamboo shoot preservation, in particular to a bamboo shoot preservation method. Background technique [0002] Bamboo shoots have been regarded as "treasures in dishes" in China since ancient times. Bamboo shoots are a traditional Chinese delicacy with a crisp taste and a very long history of eating and cultivation. Bamboo shoots contain a white nitrogen-containing substance, which constitutes the unique fragrance of bamboo shoots. It has the functions of appetizing, promoting digestion, and enhancing appetite. It can be used to treat bloating, indigestion, and poor appetite. The plant fiber contained in bamboo shoots It can increase the retention of intestinal water, promote gastrointestinal peristalsis, reduce intestinal pressure, reduce stool viscosity, make stool soft and easy to discharge, and is used to treat constipation and prevent intestinal cancer; in addition, its high content of cellulose in t...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/148A23B7/04A23B7/015A23B7/005
CPCA23B7/154A23B7/005A23B7/015A23B7/04A23B7/148
Inventor 江章林彭代高彭兴宝
Owner QIANSHAN COUNTY FUYUAN TECH CO LTD
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