Application of red algae starch

A technology of red algae starch and red algae, applied in the direction of food science, etc., can solve the problems that have not been reported, and achieve the effect of improving blood sugar index, low production cost, and simple preparation process

Pending Publication Date: 2022-08-02
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no reports at home and abroad on the research and devel

Method used

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  • Application of red algae starch
  • Application of red algae starch
  • Application of red algae starch

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Weigh 100 g of dried and crushed Astragalus algal powder, add 2 L of 1 mol / L acetic acid, soak for 1 hour at room temperature, centrifuge, discard the supernatant, and wash the treated algal mud with deionized water until neutral. Re-add 2L of deionized water, leaching in a 100°C water bath for 2 hours, filter, and concentrate the filtrate to one-fifth of the volume under reduced pressure. Precipitate with 95% ethanol alcohol, stand in a refrigerator at 4° C. for 24 hours, centrifuge, and dissolve the precipitate in 50 ml of deionized water again, discard the insoluble matter, and freeze the solution to obtain kelp starch 1. Its molecular weight was determined to be 4KDa by HPLC.

Embodiment 2

[0022] Weigh 100 g of dried and pulverized unicornis algal powder, add 2 L of 2 mol / L malic acid, soak for 2 hours at room temperature, centrifuge, discard the supernatant, and wash the treated algal mud with deionized water until neutral. Add 2L of deionized water again, leaching in a 70°C water bath for 10 hours, filter, and concentrate the filtrate to one-fifth of the volume under reduced pressure. Precipitate with 95% ethanol alcohol, let stand in a refrigerator at 4° C. for 24 hours, centrifuge, and dissolve the precipitate in 50 ml of deionized water again, discard insoluble matter, and freeze the solution to obtain kelp starch 2. Its molecular weight was determined to be 5KDa by HPLC.

Embodiment 3

[0024] Weigh 100 g of dried and crushed centipede algal powder, add 2 L of 0.5 mol / L citric acid, soak at room temperature for 4 hours, centrifuge, discard the supernatant, and wash the treated algal mud with deionized water until neutral. Add 2L of deionized water again, leaching in a 90°C water bath for 5 hours, filter, and concentrate the filtrate to one-fifth of the volume under reduced pressure. Precipitate with 95% ethanol alcohol, let stand in a refrigerator at 4° C. for 24 hours, centrifuge, and dissolve the precipitate in 50 ml of deionized water again, discard insoluble matter, and freeze the solution to obtain kelp starch 3 . Its molecular weight was determined to be 2.5KDa by HPLC.

[0025] Further verify the above-mentioned obtained alginate, take the kainate 3 obtained in Example 3 as an example to carry out the iodine color development reaction, and the iodine solution becomes reddish brown, such as figure 1 As shown, it was proved to be red alginate.

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Abstract

The invention belongs to the technical field of nutritional health-care products, and particularly relates to application of novel red algae starch. The invention relates to application of red algae starch in rapidly improving the glycemic index of a hypoglycemic patient. The sulfate radical content of the red algae starch is lower than 0.1%, the red algae starch is mainly linked by alpha-glucosidic bonds, and the average molecular weight is 1kDa-6KDa. Compared with rice starch, the red algae starch can improve the glycemic index more quickly and has the effects of improving the immunity of the human body and the like, so that the red algae starch is a relatively ideal functional food for patients with hypoglycemia.

Description

technical field [0001] The invention belongs to the technical field of nutritional health care products, in particular to the application of a new type of red alginate starch. Background technique [0002] Hypoglycemia means that the fasting blood glucose concentration of adults is less than 2.8mmol / L, and the blood glucose level of diabetic patients is less than or equal to 3.9mmol / L, which can be diagnosed as hypoglycemia. Hypoglycemia is a low blood sugar concentration caused by a variety of causes, which often exists as a complication of other diseases, usually manifested as sweating, hunger, palpitation, tremors, etc. In severe cases, coma caused by cerebral hypoxia can also occur. even death. There are two main treatment methods for patients with hypoglycemia: for patients with mild to moderate hypoglycemia, oral sugar water, candy, bread, steamed buns and other measures can be taken; for patients with severe hypoglycemia, intravenous injection of glucose and timely ...

Claims

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Application Information

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IPC IPC(8): A23L33/125A23L29/30
CPCA23L33/125A23L29/30A23V2002/00A23V2200/328A23V2200/324A23V2250/5118
Inventor 陈晓琳李鹏程刘松于华华邢荣娥王雪芹秦玉坤李克成李荣锋
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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