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Method for directly extracting seaweed protein by subcritical water extraction equipment

A technology of extraction equipment and subcritical water, which is applied in the preparation methods of peptides, chemical instruments and methods, organic chemistry, etc., can solve the problems of complicated extraction process steps, low activity of extracts, long production cycle, etc., and achieve large industrialization. The effect of large-scale production, high extraction efficiency and short production cycle

Inactive Publication Date: 2017-12-01
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method uses subcritical water extraction equipment to directly extract seaweed protein with subcritical water as an extraction agent, and the extracted seaweed protein has high activity, good penetration and solubility, simple process and low cost, effectively solving the problem of existing problems. There are many problems in the extraction process of seaweed protein in the technology, the activity of the extract is low, the production cycle is long, and the cost is high

Method used

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  • Method for directly extracting seaweed protein by subcritical water extraction equipment
  • Method for directly extracting seaweed protein by subcritical water extraction equipment
  • Method for directly extracting seaweed protein by subcritical water extraction equipment

Examples

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Effect test

Embodiment 1

[0054] The method for directly extracting protein from spirulina by using the above-mentioned subcritical water extraction equipment to prepare high-pressure water, specifically includes the following steps:

[0055] (1) First check whether the subcritical water extraction equipment can start normally, then increase the water in the water storage device by 15L to the predetermined position, and start to prepare for the experiment, and weigh the prepared spirulina dry powder (the purchased seaweed is powder) Measure 50g, use a 2mm diameter stainless steel beam to connect to the opening of a gauze bag made of 40 mesh gauze, wrap the gauze bag well, hang it in the extraction kettle, cover the kettle, and insert the temperature sensor to facilitate detection and extraction The temperature of the top and bottom of the kettle and inside the kettle;

[0056] (2) After turning on the main switch of the equipment, turn on the switch of the water pump, and control deoxygenated deionized...

Embodiment 2

[0071] The method for directly extracting protein from spirulina by subcritical water extraction equipment specifically comprises the following steps:

[0072] (1) Ensure that the equipment is in normal use, the water level of the water storage device is at 15L, and start preparing for the experiment;

[0073] (2) Weigh 50g of the pre-prepared dry spirulina powder (the seaweed purchased is in powder form), put it in a gauze bag made of 40-mesh gauze with a stainless steel beam (2mm stainless steel wire), and hang it In the extraction kettle, cover the kettle well, and install the temperature detector according to the requirements;

[0074] (3) After turning on the circulating water switch, turn on the main switch of the equipment, start the switch of the water pump, preheat the deoxygenated deionized water to 80°C, and control the deionized water to be injected into the extraction kettle at a flow rate of 100ml / min;

[0075] (4) Set the extraction parameters and extraction co...

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Abstract

The invention discloses a method for directly extracting seaweed protein by subcritical water extraction equipment. According to the method, the subcritical water extraction equipment is adopted to extract seaweed protein, subcritical water is taken as an extraction agent, extraction is performed in a closed, oxygen-free and high-pressure container according to the principle that the similar organic substance is more likely to be dissolved by each other, and the seaweed protein is obtained. The method is green, environment-friendly, low in cost and high in extraction efficiency, the process of the extraction method is simple, the production period is short, activity of extractive matter is reserved and is not damaged or oxidized, and antioxidant activity of the extracted seaweed protein is high and is remarkably better than that of protein obtained through combination of repeated freezing and thawing and ultrasonic homogenizing.

Description

technical field [0001] The invention relates to the technical field of subcritical water extraction, in particular to a method for directly extracting seaweed protein based on subcritical water extraction equipment. Background technique [0002] Seaweeds are algae that grow in the sea and are cryptogamous plants in the plant kingdom. Algae include several different types of organisms that generate energy through photosynthesis. They are generally considered to be simple plants, the main characteristics are: no vascular tissue, no real differentiation of roots, stems, and leaves; no flowers, no fruits and seeds. [0003] Seaweed is generally a large algae visible to the naked eye that grows in the intertidal zone and subtidal zone, and usually includes three types of green algae, brown algae and red algae. In ancient China and Japan, there is evidence of using seaweed as food. Ancient medical classics include "Compendium of Materia Medica", "Jizhu of Materia Medica", "Haiyao...

Claims

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Application Information

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IPC IPC(8): C07K1/14
CPCC07K1/145
Inventor 范晓丹胡双飞张学武苏可盈
Owner SOUTH CHINA UNIV OF TECH
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