Extraction method of sweet potato vines and application of extracts of sweet potato vines in solid beverages

An extraction method and technology for solid beverages, applied in separation methods, solid solvent extraction, chemical instruments and methods, etc., can solve the problems of taste and appearance, insoluble solids, and no research, and achieve nutritional value and product safety. High, avoid turbidity and precipitation, easy to handle effect

Pending Publication Date: 2020-02-21
莒南和信食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The nutritional components of the solid drink are comprehensive, but there are technical problems that some solids cannot be dissolved, which has a certain impact on the taste and appearance, and cannot be used as a high-quality drink
[0010] In summary, most of the prior art is to extract a certain component in sweet potato vines, and rarely retain the active components of sweet potato vines and apply them to beverages; the main reason for the analysis is that sweet potato vines contain It is difficult to completely separate insoluble matter such as insoluble fiber and macromolecular vegetable protein, and a certain amount of sediment will be produced during the dissolution process of the drink. Based on this technical defect, no systematic research has been carried out in the prior art.

Method used

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  • Extraction method of sweet potato vines and application of extracts of sweet potato vines in solid beverages

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of extraction method of sweet potato vine, it comprises the steps:

[0043] Remove impurities from the selected 20-30cm sweet potato vines and wash them in cold water;

[0044] Cut the cleaned sweet potato vine into sections, the length of which is between 2-3cm;

[0045] Dehydrate and dry the sweet potato vines, use a hot steam flow dehydrator to dehydrate, control the temperature at 70°C, continue for 3-5 hours, dehydrate and dry until it can be crushed and the water content is controlled within 15%;

[0046] The dehydrated sweet potato vines are crushed at a low temperature using an airflow ultrafine grinder, and the low-temperature crushing effectively retains the original taste and color;

[0047] Send the low-temperature crushed sweet potato and vine powder into the cyclone collection filter, and filter through the filter bag and filter screen to collect the fine powder. The specific surface area of ​​the fine powder is 300-700㎡ / kg, and the fineness is bet...

Embodiment 2

[0078] A solid beverage containing sweet potato extract, which is prepared according to a conventional solid beverage preparation method; specifically, the following methods can be used:

[0079] The formula is as follows:

[0080] Sweet potato extract 71.13%, lecithin 2.3%, β-cyclodextrin 1.5%, sodium alginate 0.05%, essence 0.02%, pregelatinized starch 15%, sucrose 10%;

[0081] In order to make the mixture more uniform, first mix the lecithin, β-cyclodextrin, sodium alginate and essence, then add it to the pregelatinized starch, then stir in the sucrose, mix well, and add the mixture to the sweet potato extract , mixed, granulated, sterilized, that is.

Embodiment 3

[0083] 1, the content determination of each main component in the sweet potato extract of the present invention, in 100g extract.

[0084] Detection method: polysaccharides and soluble dietary fiber are phenol-sulfuric acid method; flavonoid content is Al(N03)3-NaN02 colorimetric method with rutin as reference substance; amino acid content is ninhydrin colorimetric method.

[0085] The extract composition of embodiment 1 is specifically shown in table 1:

[0086] Table 1

[0087] index Content g % of total extract polysaccharide + soluble dietary fiber 39.5 39.5 flavonoids 18.4 18.4 Amino acid + soluble short peptide 15.7 15.7

[0088] As shown in Table 1 above, the content of each nutritional component in the extract obtained in the present invention is rich, and the nutrition is relatively balanced.

[0089] 2, each effective component compares in the extract of embodiment 1 and comparative example 2-3, with 1000g sweet potato vine fi...

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Abstract

The invention belongs to the technical field of food industry preparation, and discloses an extraction method of sweet potato vine, which comprises the following steps: 1) cleaning, 2) cutting into sections, 3) dewatering and drying, 4) crushing at low temperature, 5) fine screening, 6) preparing a concentrated solution, 7) preparing an extract, and 8) performing spray drying. The extraction method provided by the invention adopts bioengineering and physical technologies in the whole process, has good solubility, greatly maintains full nutritional ingredients, is simple and convenient, is easyto operate, and is suitable for industrial mass production.

Description

technical field [0001] The invention belongs to the technical field of food industry preparation, and relates to a method for extracting sweet potato vines and the application of the extract in solid beverages. Background technique [0002] Sweet potato vine has health functions such as hemostasis, diarrhea, menstruation, hypoglycemia, immunity improvement, platelet increase, night blindness prevention and treatment. It is often used in vomiting and diarrhea, blood in the stool, metrorrhagia, milk blockage, carbuncle, canceration of tissue cells, prevention of constipation and other fields. It has been found through research that sweet potato vines are very nutritious, with extremely high levels of protein, vitamins, and mineral elements. The protein content is 2.74%, the carotene is 5580 international units / 100 grams, the vitamin B2 is 3.5 mg / kg, the vitamin C is 41.07 mg / kg, the iron is 3.94 mg / kg, and the calcium is 74.4 mg / kg. Compared with spinach, celery, cabbage, ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/105A23L2/39A23L2/52A23L2/60B01D11/02
CPCA23L33/105A23L2/39A23L2/52A23L2/60B01D11/0284A23V2002/00
Inventor 陈利山
Owner 莒南和信食品有限公司
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