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Immobilization method of cubilose water-soluble protein

A technology of water-soluble protein and fixation method, applied in the field of bird's nest water-soluble protein fixation, can solve problems such as unfavorable absorption, affecting protein quality, easy to stew and lose texture, etc., and achieve the effects of being beneficial to human body absorption, prolonging storage time, and maintaining fresh-keeping temperature.

Active Publication Date: 2021-06-15
北京小仙炖生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The protein in bird's nest belongs to water-soluble protein. The characteristic of water-soluble protein is that it is easy to dissolve in water. During the stewing process, the stewing sterilization or stewing process is easy to stew or the texture is too soft, which affects the taste and affects the protein quality.
In the traditional processing process, the dried bird's nest is heat-treated. After the treatment, the protein tends to solidify excessively and become hard. When cooked, it will not be boiled. If it is too hard, it will affect the taste of food and is not conducive to human absorption.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of bird's nest water-soluble protein immobilization method of the present embodiment comprises the following steps:

[0029] (1) Soak the dried bird’s nest in ultrapure water, the mass ratio of dry bird’s nest to ultrapure water is 1:15, the temperature of ultrapure water is 25°C, the soaking time is 8h, and the conductivity of ultrapure water is ≤5us / m secondary reverse osmosis water;

[0030] (2) The bird's nest after foaming is dehydrated by a centrifuge. The centrifuge is a food-grade stainless steel dehydrator with a rotating speed of 1000 rpm. The dehydrated bird's nest is steamed in a steamer at a temperature of 95 ℃, the steaming time is 10min;

[0031] (3) The steamed bird's nest was cooled to 0°C, and the cooling time was controlled at 2 hours. After cooling, the water-soluble protein of the bird's nest was immobilized.

Embodiment 2

[0033] A kind of bird's nest water-soluble protein immobilization method of the present embodiment comprises the following steps:

[0034] (1) Soak the dried bird’s nest in ultrapure water, the mass ratio of dry bird’s nest to ultrapure water is 1:20, the temperature of ultrapure water is 29°C, the soaking time is 6h, and the conductivity of ultrapure water is ≤5us / m secondary reverse osmosis water;

[0035] (2) The bird's nest after foaming is dehydrated by a centrifuge. The centrifuge is a food-grade stainless steel dehydrator with a rotating speed of 1200 rpm. The dehydrated bird's nest is steamed in a steamer at a temperature of 97.5 ℃, the steaming time is 7.5min;

[0036] (3) The steamed bird's nest was cooled to 2°C, and the cooling time was controlled at 3 hours. After cooling, the water-soluble protein of the bird's nest was immobilized.

Embodiment 3

[0038] A kind of bird's nest water-soluble protein immobilization method of the present embodiment comprises the following steps:

[0039] (1) Soak the dried bird’s nest in ultrapure water, the mass ratio of dry bird’s nest to ultrapure water is 1:25, the temperature of ultrapure water is 32°C, the soaking time is 4h, and the conductivity of ultrapure water is ≤5us / m secondary reverse osmosis water;

[0040] (2) Add vitamin C to the bird's nest after soaking and then dehydrate it with a centrifuge. The mass ratio of the vitamin C to the dried bird's nest is 0.08:1. The centrifuge is a food-grade stainless steel dehydrator with a speed of 1200 rpm, the dehydrated bird’s nest is steamed in a steamer at a temperature of 100°C, and the steaming time is 5 minutes;

[0041] (3) The steamed bird's nest was cooled to 4°C, and the cooling time was controlled at 4 hours. After cooling, the water-soluble protein in the bird's nest was immobilized.

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PUM

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Abstract

The invention relates to an immobilization method of cubilose water-soluble protein. The method comprises the following steps: soaking dry cubilose in ultrapure water; dehydrating the soaked cubilose, and steaming the dehydrated cubilose in a steaming box; cooling the steamed cubilose, and the cubilose water-soluble protein is immobilized after cooling. According to the immobilization method of the cubilose water-soluble protein, ultrapure water is adopted for soaking, the ultrapure water can be easily absorbed by the dry cubilose, the cubilose is easy to soak and is not easy to dissolve; a specific steaming temperature and a specific steaming time are adopted, so that the protein is comprehensively immobilized, and the protein can not be immobilized excessively. According to the method, the cooling temperature and time are controlled, rapid cooling is guaranteed, freshness is locked in time, when the temperature is reduced to 0-4 DEG C, the fresh-keeping temperature can be kept, and the storage time can be prolonged. By using the method provided by the invention, the cubilose water-soluble protein can be immobilized, the immobilization of protein is moderate, when the cubilose is cooked, the hardness is moderate, the eating and taste are not affected, and it is good for human absorption.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a method for fixing bird's nest water-soluble protein. Background technique [0002] Bird's nest refers to the nest made of the saliva secreted by some swifts of the Swift family Swift family and several swiftlets of the genus Swiftlet, mixed with other substances. Also known as swallow vegetable, swallow root, and swallow vegetable, bird's nest can be divided into two types: "house swallow" and "cave swallow" according to the place where the nest is built. Cave swallow has different colors due to the influence of minerals. It can be divided into red swallow and red swallow, while house swallow is only ivory white. Bird's nest is one of the traditional and precious foods that have been eaten in China since the Ming Dynasty. Bird's nest is rich in natural nutrients such as mucin, protein, sialic acid, calcium, phosphorus and vitamins. Among them, mucin is a ...

Claims

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Application Information

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IPC IPC(8): A23L33/00A23L5/10A23L29/00A23L3/36
CPCA23L33/00A23L5/13A23L29/035A23L3/36A23V2002/00A23V2200/30A23V2250/708Y02A40/81
Inventor 林小仙高剑峰李景新
Owner 北京小仙炖生物科技有限公司
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