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Production process of refined low-temperature instant agarose

A production process and agarose technology, which are applied in the production process field of refining low-temperature instant agarose

Inactive Publication Date: 2017-07-18
广东凯闻生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a production process for refining low-temperature instant agarose, aiming to solve the problem that ordinary agar in the existing instant agar preparation method can only be dissolved in hot water above 95°C question

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  • Production process of refined low-temperature instant agarose
  • Production process of refined low-temperature instant agarose
  • Production process of refined low-temperature instant agarose

Examples

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Effect test

example 1

[0059] Example 1: a production process for refining low-temperature instant agarose, which specifically includes the following steps:

[0060] (1) Soak 1kg of common agar in 95% ethanol, 60°C, 90min;

[0061] (2) Place the filtered and dried agar in 6% NaOH solution, the amount of lye is 25L, and heat at 75°C for 90min;

[0062] (3) fully wash the agar with water, after cleaning, wash until the pH is 8.0;

[0063] (4) Put the washed agar in 3% HCl solution, the amount of HCl solution is 25L, stir quickly and fully, and acidify for 30min;

[0064] (5) fully wash the acidified agar with water until the pH is 6.8;

[0065] (6) Agar was extracted in water at 95°C for about 120 minutes, and the water consumption was 50 L;

[0066] (7) After the glue is extracted, centrifuge and filter while it is hot to remove impurities.

[0067] (8) Carry out granulation and drying to the agar solution; granulation methods include: spray drying; spray drying tower parameters: feed temperature...

example 2

[0069] Example 2: a production process for refining low-temperature instant agarose, which specifically includes the following steps:

[0070] (1) Soak 1kg of ordinary agar in 95% ethanol, 50°C, 120min;

[0071] (2) Put the filtered and dried agar in 4% NaOH solution, the amount of lye is 30L, and heat at 80°C for 120min;

[0072] (3) Fully wash the agar with water until the pH is 8.5;

[0073] (4) Place the washed agar in 2% HCl solution, the amount of HCl solution is 30L, stir rapidly and fully, and acidify for 40min;

[0074] (5) fully wash the acidified agar with water until the pH is 7.2;

[0075] (6) Agar was extracted in water at 90°C for about 120 minutes, and the water consumption was 40 L;

[0076] (7) After the glue is extracted, centrifuge and filter while it is hot to remove impurities.

[0077] (8) The agar solution is granulated and dried; the granulation method includes: spray drying; spray drying tower parameters: feed temperature 90°C, inlet air temperatu...

example 3

[0079] Example 3: Application of Low Temperature Instant Agar in Flavored Fermented Milk

[0080] Add 0.1-0.3% low-temperature instant agar to the application of flavored fermented milk, and observe the difference between the experimental group and the blank control group; it is found that the flavored fermented milk with agar added: (1) Good taste, smooth, refreshing, Good melting in the mouth and strong sense of reality; (2) good flavor release without masking the flavor release of the product itself; (3) strong water retention and less centrifugation water; (4) its viscosity changes at low temperature and normal temperature Small and stable.

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Abstract

The invention discloses a production process of refined low-temperature instant agarose and relates to the technical field of production of agar. The production process comprises the following steps: (1) taking common agar as the raw material of low-temperature instant agar, improving under a conventional agar production process, and refining and purifying the agar; (2) treating via 95% alcohol; (3) treating via alkali; (4) washing; (5) acidizing; (6) washing: fully washing the acidized agar with water till the pH is about 7.0; (7) extracting gel; (8) centrifuging and removing impurities; (9) granulating and drying; (10) sterilizing by using microwave; and (11) obtaining a finished product. The low-temperature instant agar is characterized in that the agar is improved under the conventional agar production process, the agar is subjected to gel extraction and purification; compared with the common agar, the refined and purified agar is relatively light in appearance color and few in impurities, is clear and transparent after the agar is dissolved, and can also be rapidly dissolved under lower temperature.

Description

technical field [0001] The invention relates to the technical field of agar production, in particular to a production process for refining low-temperature instant agarose. Background technique [0002] Agar (agar) is a hydrophilic polysaccharide colloid extracted from marine red algae such as Gelidium, Gracilaria, and Porphyra, and its main component is polygalactose sulfate. One of the most widely used alginate in the world. [0003] It is characterized by remarkable advantages in thickening, stability, shape retention, gelling, film forming, etc., and can be used as a thickener, coagulant, suspending agent, emulsifier, preservative and stabilizer agent. Even if the concentration of agar is as low as 1%, a fairly stable gel can still be formed. Because of its special gel properties, agar is widely used in many aspects such as food industry, pharmaceutical industry, daily chemical industry, and bioengineering. Especially in the field of food, agar is generally recognized ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/12
CPCC08B37/0003
Inventor 罗凯文
Owner 广东凯闻生物科技有限公司
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