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Processing method for red alga polysaccharide

A technology of red algae polysaccharide and processing method, applied in the field of marine chemical engineering, can solve problems such as shortening the production cycle of red algae polysaccharide, and achieve the effect of improving the efficiency and speed of enzymatic hydrolysis, with obvious effect and complete crushing effect.

Inactive Publication Date: 2015-03-11
青岛聚大洋藻业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention adopts processes such as pretreatment, enzymolysis, press filtration and dehydration, reduces the traditional process steps, shortens the production cycle of red algae polysaccharides, and greatly reduces the high water consumption, high energy consumption and The problem of the large amount of raw and auxiliary materials is provided, and a processing method of red algae polysaccharide is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Red algae polysaccharides were prepared by washing Eucheuma, alkali treatment, water washing, pretreatment, enzymolysis, gelatin extraction, plate and frame filtration, potassiation, dehydration by pressure filtration, crushing, and drying.

[0031] (1) Vegetable washing: Soak the Eucheuma in about 18 times of tap water and wash the vegetables for 6 hours.

[0032] (2) Alkali treatment: The washed Eucheuma was treated with a mixture of 7% sodium hydroxide and 6% potassium chloride at 50°C for 18 hours.

[0033] (3) Water washing: Rinse and soak the alkali-treated Eucheuma with tap water until the pH value is neutral, and adjust the pH value to about 6 with 0.18% hydrochloric acid.

[0034] (4) Pretreatment

[0035] Grind the washed Eucheuma with a blade grinder to a size of 5mm, preheat it with hot water to about 50°C, and grind it after 12 minutes.

[0036] (5) Enzymolysis

[0037] Add compound enzyme preparation (protease 45% cellulase 35% pectinase 20%), the addit...

Embodiment 2

[0046] Red algae polysaccharides were prepared by washing carrageen, alkali treatment, water washing, pretreatment, enzymatic hydrolysis, gelatin extraction, plate and frame filtration, potassiation, dehydration by pressure filtration, crushing, and drying.

[0047] (1) Vegetable washing: Soak the carrageen in about 10 times of tap water and wash the vegetables for 8 hours.

[0048] (2) Alkali treatment: The washed carrageen is treated with alkali at 50°C for 24 hours with a mixture of 6% sodium hydroxide and 7% potassium chloride.

[0049] (3) Water washing: rinse and soak the alkali-treated carrageen with tap water until the pH value is neutral, and adjust the pH value to about 6 with 0.18% hydrochloric acid.

[0050] (4) Pretreatment

[0051] Grind the washed carrageen with a blade grinder to a size of 5mm, preheat it with hot water to about 50°C, and grind it after 10-15 minutes.

[0052] (5) Enzymolysis

[0053] Add compound enzyme preparation (50% protease, 30% cellul...

Embodiment 3

[0062] Red algae polysaccharides are prepared by washing vegetables, alkali treatment, water washing, pretreatment, enzymatic hydrolysis, gelatin extraction, plate and frame filtration, potassiation, dehydration by pressure filtration, crushing and drying of Cedar algae.

[0063] (1) Wash vegetables: Soak Shanzao in about 25 times of tap water and wash vegetables for 3 hours.

[0064] (2) Alkali treatment: Alkali treatment of washed vegetables with a mixture of 8% sodium hydroxide and 5% potassium chloride at 50°C for 10 hours.

[0065] (3) Washing: Rinse and soak the alkali-treated Cedar algae with tap water until the pH value is neutral, and adjust the pH value to about 6 with 0.22% hydrochloric acid.

[0066] (4) Pretreatment

[0067] Grind the washed algae to a size of 5 mm with a blade mill, preheat hot water to about 50°C, and grind after 10-15 minutes.

[0068] (5) Enzymolysis

[0069] Add compound enzyme preparation (protease 40% cellulase 30% pectinase 30% mixed), th...

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Abstract

The invention relates to the technical field of sea chemical engineering, and especially relates to a processing method for red alga polysaccharide. According to the processing method, washing, alkali processing, water washing, pretreating, enzymolysis, extraction, plate filtration, potassium processing, press filtration, dehydration, crushing, drying and other technological steps are employed, and traditional technological steps are reduced, so that the production period of red alga polysaccharide is shortened, the problems are reduced that red alga production is high in water consumption, high in energy consumption and more in usage amount of raw materials and auxiliary materials, and also the extraction yield of red alga polysaccharide is improved by 2-3% compared with the extraction yield of a conventional preparation technology.

Description

technical field [0001] The invention relates to the technical field of marine chemical engineering, in particular to a processing method of red algae polysaccharide. Background technique [0002] Rhodophyta algae, about 3,000 species. Red algae, most of which are multicellular, and very few are unicellular algae. Algae purple, rose red, dark red and other colors. The vast majority of red algae grow in the ocean, widely distributed, and there are many types. According to statistics, there are more than 3,700 species, many of which have important economic value. In addition to food, it is also a raw material for industries such as medicine, textiles, and food. [0003] The traditional processing of red algae polysaccharides is produced by pure chemical methods, and there are a series of problems such as backward technology, high energy and water consumption, and low extraction rate. Excessive water consumption in the production process has become the main factor restricting...

Claims

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Application Information

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IPC IPC(8): C08B37/00
Inventor 吴仕鹏程跃谟冯启忠郭华玉孙梅殷聪
Owner 青岛聚大洋藻业集团有限公司