Method for extracting anthocyanin from water hyacinth

A technology for cyanidin and water hyacinth, which is applied in the directions of food extraction, food ingredients containing natural extracts, pharmaceutical formulations, etc., can solve the problems of few extraction methods of cyanidin, time-consuming and laborious extraction process, and high extraction cost, and achieves easy popularization and efficiency. Use, good grinding effect, high extraction rate and high extraction purity

Pending Publication Date: 2019-11-05
宁夏虹桥有机食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of method that extracts anthocyanins from water hyacinth, to solve the extraction method of anthocyanins in existing water hyacinth mentioned in the above-mentioned background technology is less, and the extraction process is time-consuming and laborious, The cost of extraction is high, and the extraction rate is generally not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for extracting anthocyanins from water hyacinth, comprising the steps of:

[0031] S1. Material selection: Select the petals of fresh water hyacinth, remove the impurities on the petals, and then clean the stains on the surface of the cleaned petals with clean water, avoid pressing and rubbing the petals, which will cause damage to the petals, and ensure the petals as much as possible The integrity of the petals, and then control the moisture of the petals, you can place the petals in the dryer to quickly dry the moisture on the surface of the petals;

[0032] S2, Grinding: Add the petals after the moisture is controlled into the grinding container, during the grinding process, add 3: times of water to the grinder to grind synchronously, the petal slurry obtained after the initial grinding is filtered out, and the residue is left In the grinder, then add part of the petal slurry to grind again, repeat the operation 3-4 times, pass the ground petal slurry throug...

Embodiment 2

[0037] A method for extracting anthocyanins from water hyacinth, comprising the steps of:

[0038] S1. Material selection: Select the petals of fresh water hyacinth, remove the impurities on the petals, and then clean the stains on the surface of the cleaned petals with clean water, avoid pressing and rubbing the petals, which will cause damage to the petals, and ensure the petals as much as possible The integrity of the petals, and then control the moisture of the petals, you can place the petals in the dryer to quickly dry the moisture on the surface of the petals;

[0039] S2. Grinding: Add the petals after the moisture is controlled into the grinding container. During the grinding process, add 3.5 times of water to the grinder to grind synchronously. The petal slurry obtained after the initial grinding is filtered out, and the residue is left in the grinding. Then add part of the petal slurry to grind again, repeat the operation 3-4 times, pass the ground petal slurry thro...

Embodiment 3

[0044] S1. Material selection: Select the petals of fresh water hyacinth, remove the impurities on the petals, and then clean the stains on the surface of the cleaned petals with clean water, avoid pressing and rubbing the petals, which will cause damage to the petals, and ensure the petals as much as possible The integrity of the petals, and then control the moisture of the petals, you can place the petals in the dryer to quickly dry the moisture on the surface of the petals;

[0045] S2. Grinding: Add the petals after the moisture is controlled into the grinding container. During the grinding process, add 4 times of water to the grinder to grind synchronously. The petal slurry obtained after the initial grinding is filtered out, and the residue is left in the grinding. Then add part of the petal slurry to grind again, repeat the operation 3-4 times, pass the ground petal slurry through a 100-mesh sieve, separate the large particles of impurities, and obtain the petal slurry;

...

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PUM

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Abstract

The invention discloses a method for extracting anthocyanin from water hyacinth. The method includes the following steps of S1, selecting materials, wherein fresh water hyacinth petals are selected, impurities on the petals are removed, dirt attached to the surfaces of the cleaned petals is cleaned away with clear water, and then the petals are drained; S2, conducting grinding, wherein the drainedpetals are added into a grinding container, 3-5 folds of water is added into a grinder in the grinding process for synchronous grinding, petal pulp obtained after primary grinding is filtered, residues are left in the grinder, then part of the petal pulp is added for grinding again, and operation is repeatedly executed 3-4 times to obtain petal pulp. Through multiple times of grinding and repeated operations, it is ensured that the petals are completely pulverized, the grinding effect is good, and the extracting rate and extracting purity of the anthocyanin can be easily increased; the extracting method is simple, wide in raw material source, low in cost, high in anthocyanin extracting rate and extracting purity and convenient to use and popularize.

Description

technical field [0001] The invention relates to the technical field related to the extraction of anthocyanins, in particular to a method for extracting anthocyanins from water hyacinth. Background technique [0002] Anthocyanin, also known as anthocyanin, is a common water-soluble plant pigment. Its structure is that anthocyanin and sugar are combined by glycosidic bonds. Anthocyanin belongs to flavonoid substances and is a kind of water-soluble Natural pigments can not only be used as food pigments, but also have a variety of health care and medical functions. Anthocyanins are natural and powerful free radical scavengers with high medicinal value. Cardiovascular disease, antibacterial and other medicinal functions, among which the petals of the common water hyacinth contain anthocyanins. [0003] The existing extraction methods of anthocyanins in water hyacinth are few, and the extraction process is time-consuming and laborious, the extraction cost is high, and the extract...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D311/62A61K31/352A23G3/36A23G3/48A23L33/10A23L33/105A23P10/30A61K36/734A61K36/488A61K9/48A61K9/20A61K47/36A61P39/06A61P9/00A61K35/618
CPCC07D311/62A61K31/352A61K35/618A61K36/488A61K36/258A61K36/23A61K36/232A61K36/534A61K36/734A61K9/4866A61K9/2059A61K9/0056A61P39/06A61P9/00A23L33/105A23L33/10A23P10/30A23G3/48A23G3/364A23V2002/00A61K2300/00A23V2200/30A23V2250/21A23V2250/21166A23V2300/14
Inventor 韩振涛王瑞生张怀生李伟
Owner 宁夏虹桥有机食品有限公司
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