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Preparation technology of pectin in sunflower disk and used continuous microwave system device

A sunflower plate and microwave technology is applied in the fields of extracting pectin from sunflower plates and pectin extraction and preparation, which can solve the problems of low pectin quality, inability to realize industrialized production, low pectin extraction rate, etc. The effect of pollution, realization of material reuse, and reduction of waste of resources

Inactive Publication Date: 2015-04-08
XINJIANG RUIYUANFENG TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the extraction rate of pectin in sunflower discs extracted by traditional acid extraction method and traditional microwave extraction method is low, the quality of pectin is low, and industrial production cannot be realized.

Method used

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  • Preparation technology of pectin in sunflower disk and used continuous microwave system device
  • Preparation technology of pectin in sunflower disk and used continuous microwave system device
  • Preparation technology of pectin in sunflower disk and used continuous microwave system device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment one: the extraction of pectin in the sunflower dish

[0035] The specific extraction method of pectin in sunflower dish is as follows.

[0036] (1) Pretreatment of sunflower trays: dry the sunflower trays naturally, crush the sunflower trays with a moisture content of less than 8% with a grinder, and sieve them through a 60-mesh sieve;

[0037] (2) Enzyme inactivation: Inactivate sunflower powder in boiling water for 3 minutes, filter the filtrate with 400-mesh gauze, wash the filter residue with 75°C water and keep it warm for 30 minutes;

[0038] (3) Blending: filter the sunflower dish solution treated in step (2), add distilled water to the filter residue at a solid-liquid ratio of 1:25 (solid-liquid ratio unit?), and adjust the pH to 2 with hydrochloric acid;

[0039] (4) Continuous microwave treatment: put the sunflower dish liquid prepared in step (3) into the self-set microwave continuous extraction system device, load the sunflower dish liq...

Embodiment 2

[0043] Embodiment 2: microwave continuous extraction system device

[0044] See attached figure 1 to attach image 3 , the microwave continuous extraction system device consists of a material box (2, 5, 6), a conveyor belt (3), a microwave extraction chamber (1, 4, 7, 9), and a console (8) connected in sequence, wherein the material The box (2, 5, 6) is composed of a material box body (10), a filter screen (11), a partition layer (12), and a drain plug (13); the partition layer (12) is a drawer-type structure, It is used to store the liquid in the material in the material box body (10) through the filter screen (11) for convenient pulling; the filter screen (11) is located on the partition layer (12), and the partition layer (12) is connected with the material box Close contact between the casings (10).

[0045] In the microwave continuous extraction system device provided by the present invention, the partition layer (12) is placed at one-third of the material box body (...

Embodiment 3

[0054] Embodiment 3: Pectin in sunflower plate adopts acid extraction process optimization test

[0055] 1. Sunflower plate pectin preparation process: sunflower plate→crushing→sieving→enzyme inactivation→filtering→decolorization→filtering→water bath→filtering→alcohol precipitation→drying.

[0056] The sunflower disc is crushed evenly with a miniature universal grinder, sieved with a 60-mesh sieve, inactivated in boiling water for 3 minutes, filtered with a 400-mesh gauze to remove the filtrate, and the filter residue is washed with 75°C water and kept for 30 minutes; filter, and add distilled water to the filter residue according to a certain ratio of material to liquid , adjusted to a certain pH, at a certain temperature, leaching for a certain period of time; after taking it out, filter the filter residue, perform secondary extraction on the filter residue, combine the two filtrates, adjust the extract to pH = 3.5 with dilute ammonia water, and use 95% ethanol for pectin ...

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Abstract

The invention discloses a preparation technology of pectin in a sunflower disk. The preparation technology of the pectin in the sunflower disk includes: using a smashing machine to evenly smash the sunflower disk, and using a 60 mesh screen to screen sunflower disk powder; destroying enzyme of the screened sunflower disk powder in boiling water for 3min, using 400 mesh gauze to remove filter liquor by filtering the sunflower disk powder, and preserving temperature of filter residues for 30min after using water at 75 degree centigrade to wash the filter residues; filtering the filter residues, adding distilled water into the filter residues according to a material-water ratio of 1:25, and adding hydrochloric acid to adjust PH (potential of hydrogen) value into 2; using a continuous microwave auxiliary extraction device to extract material liquid, and performing secondary extraction on the filter residues; filtering the material liquid, using diluted ammonia water to adjust PH value of the material liquid into a value about 3.5, using 95% ethyl alcohol to deposit the pectin, drying the pectin until the pectin is constant in weight under 50 degree centigrade, and thereby obtaining the final pectin.

Description

technical field [0001] The invention relates to the technical field of pectin extraction and preparation, in particular, the invention relates to the technical field of extracting pectin from sunflower discs. Background technique [0002] Sunflower discs contain crude protein, crude fat, crude fiber, nitrogen-free extracts, crude starch, pectin, ash and other substances. Among them, the content of pectin is about 15%-25%. At the same time, Xinjiang is a major sunflower planting area, and 450,000 tons of discarded sunflower trays are produced every year. In rural areas, these waste residues are often only used as feed or thrown away as waste. In the north, they are basically burned or left as fuel. Rotten, resulting in material waste and environmental pollution, the economic value is too low. [0003] Pectin is a completely non-toxic natural food additive, and is generally recognized as a safe food additive recommended by the FAO / WHO Joint Committee on Food Additives. In a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/06
Inventor 高彦兵李伟敬思群伍张飞
Owner XINJIANG RUIYUANFENG TRADE
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