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Processing method for swelling-free freeze-dried sea cucumber

A processing method and technology for freeze-drying sea cucumbers, which are applied in the fields of application, food preparation, food science, etc., can solve problems such as the freeze-drying process of sea cucumbers that are not considered, and achieve the effects of reducing nutrient loss, stable and easy-to-control heating temperature, and high quality.

Inactive Publication Date: 2013-01-30
AQUATIC PROD RES INST SHANDONG PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the two methods, sea cucumbers are boiled in water, and acid-base aids are added in the second method, which is easy to cause nutrient loss; the vacuum freeze-drying process uses a specific temperature for freeze-drying, and does not consider the special product of sea cucumbers. Specific freeze-drying process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Take dried sea cucumbers weighing 6±1g and uniform in size, wash and remove impurities, and soak in water for 24 hours. Steam the soaked sea cucumbers for 30 minutes to make the collagen denaturation rate of sea cucumbers reach 85%, then transfer them to pure water at 0-4°C to rise for 10 hours, then steam the sea cucumbers for a second time for 10 minutes according to the rise and then transfer them to 0 Rise and ferment sea cucumbers in pure water at -4°C for 12 hours to obtain water-grown sea cucumbers. Place the water-fed sea cucumber at -30°C for rapid freezing until completely. Turn on the freeze dryer, and when the freeze-drying conditions are reached, set the initial heating temperature to 70°C, initially set the total heating time to 24 hours, turn on the auxiliary heating system, and programmatically lower the heating temperature every 4 hours as the drying process continues 5°C, and finally to 45°C, when the moisture content is lower than 5%, the drying proc...

Embodiment 2

[0022] Take salted sea cucumbers with a weight of 12±1g and uniform size, wash and remove impurities, and soak in water for 12 hours. Steam the soaked sea cucumbers for 40 minutes to make the collagen denaturation rate of sea cucumbers reach 85%, then transfer them to pure water at 0-4°C to rise for 12 hours, then steam the sea cucumbers for a second time for 15 minutes according to the growth conditions, and then transfer them to 0-4°C Rise and ferment sea cucumbers in pure water at -4°C for 12 hours to obtain water-grown sea cucumbers. Place the water-fed sea cucumber at -18°C for rapid freezing until completely. Turn on the freeze dryer, when the freeze-drying condition is reached, set the initial heating temperature to 70°C, initially set the total heating time to 28 hours, turn on the auxiliary heating system, and programmatically lower the heating temperature every 5 hours as the drying process continues 5°C, and finally to 45°C, when the moisture content is lower than ...

Embodiment 3

[0024] Take salted sea cucumbers with a weight of 10±1g and uniform size, wash and remove impurities, and soak in clean water for 12 hours. Steam the soaked sea cucumbers for 30 minutes to make the collagen denaturation rate of sea cucumbers reach 80%, then transfer them into pure water at 0-4°C to rise for 12 hours, and then steam the sea cucumbers for a second time according to the rise and rise for 15 minutes, then move them into 0-4°C Rise and ferment sea cucumbers in pure water at -4°C for 12 hours to obtain water-grown sea cucumbers. Place the water-fed sea cucumber at -25°C for rapid freezing until completely. Turn on the freeze dryer, when the freeze-drying condition is reached, set the initial heating temperature to 65°C, initially set the total heating time to 22 hours, turn on the auxiliary heating system, and programmatically lower the heating temperature every 6 hours as the drying process continues 6°C, finally to 47°C, when the moisture content is lower than 5%...

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Abstract

The invention discloses a processing method for swelling-free freeze-dried sea cucumber. The processing method is characterized by comprising the following technical steps of: A, pretreating the sea cucumber: cleaning and purifying the dried sea cucumber or salted sea cucumber with uniformed specification, and putting into clean water to soak for 12-24hours; B, swelling by means of 'secondary evaporation': evaporating the soaked sea cucumber, firstly swelling by purified water, and swelling by means of secondary evaporation to obtain the water-swollen sea cucumber; and C, cooling and drying: drying when the water content is less than 5% according to the specification size and the freezing speed of the water-swollen sea cucumber after the sea cucumber is completely frozen. According to the processing method, the high-temperature heating time is dispersed in the manner of secondary evaporation, the heating temperature is stable and easy to control, the sea cucumber does not need to be stirred in the process of processing, the nutrition loss is sufficiently reduced, and the corresponding relationship between the specification size and the drying total time and between the freezing speed and the auxiliary heating can be built in the manner that the auxiliary heating temperature is procedurally and downwards adjusted, so that the high quality of the freeze-dried sea cucumber can be guaranteed.

Description

technical field [0001] The invention relates to a processing method of marine animal food, in particular to a processing method of hair-free freeze-dried sea cucumber. Background technique [0002] Because of its rich variety of nutrients and high nutritional value, sea cucumber has always been regarded as a good food supplement and an ideal tonic in my country. But no matter fresh sea cucumber, dried sea cucumber or salted sea cucumber can be eaten after processing. The traditional hair-making process requires multiple times of boiling and constant stirring, which is likely to cause a large loss of water-soluble nutrients contained in sea cucumbers, and the end point of the hair-making process needs to be controlled based on experience, which is difficult for ordinary people to grasp. In recent years, in order to meet consumer demand, hair-free freeze-dried sea cucumbers have gradually become popular in the market in combination with new vacuum freezing processing methods....

Claims

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Application Information

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IPC IPC(8): A23L1/325A23L17/00
Inventor 王茂剑张健赵云苹乔瑞光高继庆
Owner AQUATIC PROD RES INST SHANDONG PROV
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